From: Andrew Kaylor Date: Tue, 3 Mar 2015 22:33:39 +0000 (+0000) Subject: Moving WinEH outlining tests to an architecture neutral location X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=92dabb5710dd9efa598a4f26293d069dd6f05e49;p=oota-llvm.git Moving WinEH outlining tests to an architecture neutral location git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231155 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/test/CodeGen/WinEH/cppeh-catch-all.ll b/test/CodeGen/WinEH/cppeh-catch-all.ll new file mode 100644 index 00000000000..c8d54aca7e3 --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-catch-all.ll @@ -0,0 +1,83 @@ +; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test is based on the following code: +; +; void test() +; { +; try { +; may_throw(); +; } catch (...) { +; handle_exception(); +; } +; } +; +; Parts of the IR have been hand-edited to simplify the test case. +; The full IR will be restored when Windows C++ EH support is complete. + +; ModuleID = 'catch-all.cpp' +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc" + +; Function Attrs: uwtable +define void @_Z4testv() #0 { +entry: + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + invoke void @_Z9may_throwv() + to label %invoke.cont unwind label %lpad + +invoke.cont: ; preds = %entry + br label %try.cont + +lpad: ; preds = %entry + %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* null + %tmp1 = extractvalue { i8*, i32 } %tmp, 0 + store i8* %tmp1, i8** %exn.slot + %tmp2 = extractvalue { i8*, i32 } %tmp, 1 + store i32 %tmp2, i32* %ehselector.slot + br label %catch + +catch: ; preds = %lpad + %exn = load i8*, i8** %exn.slot + call void @llvm.eh.begincatch(i8* %exn, i8* null) #2 + call void @_Z16handle_exceptionv() + br label %invoke.cont2 + +invoke.cont2: ; preds = %catch + call void @llvm.eh.endcatch() + br label %try.cont + +try.cont: ; preds = %invoke.cont2, %invoke.cont + ret void +} + +; CHECK: define internal i8* @_Z4testv.catch(i8*, i8*) { +; CHECK: entry: +; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1) +; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata* +; CHECK: %eh.obj.ptr = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 1 +; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr +; CHECK: call void @_Z16handle_exceptionv() +; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont) +; CHECK: } + +declare void @_Z9may_throwv() #1 + +declare i32 @__CxxFrameHandler3(...) + +declare void @llvm.eh.begincatch(i8*, i8*) + +declare void @_Z16handle_exceptionv() #1 + +declare void @llvm.eh.endcatch() + +attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #2 = { noinline noreturn nounwind } +attributes #3 = { nounwind } +attributes #4 = { noreturn nounwind } + +!llvm.ident = !{!0} + +!0 = !{!"clang version 3.7.0 (trunk 226027)"} diff --git a/test/CodeGen/WinEH/cppeh-catch-scalar.ll b/test/CodeGen/WinEH/cppeh-catch-scalar.ll new file mode 100644 index 00000000000..ce3f1b52f31 --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-catch-scalar.ll @@ -0,0 +1,118 @@ +; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test is based on the following code: +; +; void test() +; { +; try { +; may_throw(); +; } catch (int i) { +; handle_int(i); +; } +; } +; +; Parts of the IR have been hand-edited to simplify the test case. +; The full IR will be restored when Windows C++ EH support is complete. + +;ModuleID = 'cppeh-catch-scalar.cpp' +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc" + +; This is the structure that will get created for the frame allocation. +; CHECK: %struct._Z4testv.ehdata = type { i32, i8*, i32 } + +@_ZTIi = external constant i8* + +; The function entry will be rewritten like this. +; CHECK: define void @_Z4testv() #0 { +; CHECK: entry: +; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 24) +; CHECK: %eh.data = bitcast i8* %frame.alloc to %struct._Z4testv.ehdata* +; CHECK: %exn.slot = alloca i8* +; CHECK: %ehselector.slot = alloca i32 +; CHECK-NOT: %i = alloca i32, align 4 +; CHECK: %i = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 + +; Function Attrs: uwtable +define void @_Z4testv() #0 { +entry: + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + %i = alloca i32, align 4 + invoke void @_Z9may_throwv() + to label %invoke.cont unwind label %lpad + +invoke.cont: ; preds = %entry + br label %try.cont + +lpad: ; preds = %entry + %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* bitcast (i8** @_ZTIi to i8*) + %tmp1 = extractvalue { i8*, i32 } %tmp, 0 + store i8* %tmp1, i8** %exn.slot + %tmp2 = extractvalue { i8*, i32 } %tmp, 1 + store i32 %tmp2, i32* %ehselector.slot + br label %catch.dispatch + +catch.dispatch: ; preds = %lpad + %sel = load i32, i32* %ehselector.slot + %tmp3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #3 + %matches = icmp eq i32 %sel, %tmp3 + br i1 %matches, label %catch, label %eh.resume + +catch: ; preds = %catch.dispatch + %exn11 = load i8*, i8** %exn.slot + %i.i8 = bitcast i32* %i to i8* + call void @llvm.eh.begincatch(i8* %exn11, i8* %i.i8) #3 + %tmp7 = load i32, i32* %i, align 4 + call void @_Z10handle_inti(i32 %tmp7) + br label %invoke.cont2 + +invoke.cont2: ; preds = %catch + call void @llvm.eh.endcatch() #3 + br label %try.cont + +try.cont: ; preds = %invoke.cont2, %invoke.cont + ret void + +eh.resume: ; preds = %catch.dispatch + %exn3 = load i8*, i8** %exn.slot + %sel4 = load i32, i32* %ehselector.slot + %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn3, 0 + %lpad.val5 = insertvalue { i8*, i32 } %lpad.val, i32 %sel4, 1 + resume { i8*, i32 } %lpad.val5 +} + +; CHECK: define internal i8* @_Z4testv.catch(i8*, i8*) { +; CHECK: entry: +; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1) +; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata* +; CHECK: %eh.obj.ptr = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 1 +; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr +; CHECK: %i = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 +; CHECK: %tmp7 = load i32, i32* %i, align 4 +; CHECK: call void @_Z10handle_inti(i32 %tmp7) +; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont) +; CHECK: } + +declare void @_Z9may_throwv() #1 + +declare i32 @__CxxFrameHandler3(...) + +; Function Attrs: nounwind readnone +declare i32 @llvm.eh.typeid.for(i8*) #2 + +declare void @llvm.eh.begincatch(i8*, i8*) + +declare void @llvm.eh.endcatch() + +declare void @_Z10handle_inti(i32) #1 + +attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #2 = { nounwind readnone } +attributes #3 = { nounwind } + +!llvm.ident = !{!0} + +!0 = !{!"clang version 3.7.0 (trunk 227474) (llvm/trunk 227508)"} diff --git a/test/CodeGen/WinEH/cppeh-frame-vars.ll b/test/CodeGen/WinEH/cppeh-frame-vars.ll new file mode 100644 index 00000000000..6d6644084b9 --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-frame-vars.ll @@ -0,0 +1,256 @@ +; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test is based on the following code: +; +; struct SomeData { +; int a; +; int b; +; }; +; +; void may_throw(); +; void does_not_throw(int i); +; void dump(int *, int, SomeData&); +; +; void test() { +; int NumExceptions = 0; +; int ExceptionVal[10]; +; SomeData Data = { 0, 0 }; +; +; for (int i = 0; i < 10; ++i) { +; try { +; may_throw(); +; Data.a += i; +; } +; catch (int e) { +; ExceptionVal[NumExceptions] = e; +; ++NumExceptions; +; if (e == i) +; Data.b += e; +; else +; Data.a += e; +; } +; does_not_throw(NumExceptions); +; } +; dump(ExceptionVal, NumExceptions, Data); +; } + +; ModuleID = 'cppeh-frame-vars.cpp' +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc" + +%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } +%struct.SomeData = type { i32, i32 } + +; This structure should be declared for the frame allocation block. +; CHECK: %"struct.\01?test@@YAXXZ.ehdata" = type { i32, i8*, i32, i32, [10 x i32], i32, %struct.SomeData } + +$"\01??_R0H@8" = comdat any + +@"\01??_7type_info@@6B@" = external constant i8* +@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat + +; The function entry should be rewritten like this. +; CHECK: define void @"\01?test@@YAXXZ"() #0 { +; CHECK: entry: +; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 80) +; CHECK: %eh.data = bitcast i8* %frame.alloc to %"struct.\01?test@@YAXXZ.ehdata"* +; CHECK-NOT: %NumExceptions = alloca i32, align 4 +; CHECK: %NumExceptions = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 +; CHECK-NOT: %ExceptionVal = alloca [10 x i32], align 16 +; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 +; CHECK-NOT: %Data = alloca %struct.SomeData, align 4 +; CHECK: %Data = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 +; CHECK: %i = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 +; CHECK: %exn.slot = alloca i8* +; CHECK: %ehselector.slot = alloca i32 +; CHECK-NOT: %e = alloca i32, align 4 +; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2 + +; Function Attrs: uwtable +define void @"\01?test@@YAXXZ"() #0 { +entry: + %NumExceptions = alloca i32, align 4 + %ExceptionVal = alloca [10 x i32], align 16 + %Data = alloca %struct.SomeData, align 4 + %i = alloca i32, align 4 + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + %e = alloca i32, align 4 + store i32 0, i32* %NumExceptions, align 4 + %tmp = bitcast %struct.SomeData* %Data to i8* + call void @llvm.memset(i8* %tmp, i8 0, i64 8, i32 4, i1 false) + store i32 0, i32* %i, align 4 + br label %for.cond + +for.cond: ; preds = %for.inc, %entry + %tmp1 = load i32, i32* %i, align 4 + %cmp = icmp slt i32 %tmp1, 10 + br i1 %cmp, label %for.body, label %for.end + +for.body: ; preds = %for.cond + invoke void @"\01?may_throw@@YAXXZ"() + to label %invoke.cont unwind label %lpad + +invoke.cont: ; preds = %for.body + %tmp2 = load i32, i32* %i, align 4 + %a = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0 + %tmp3 = load i32, i32* %a, align 4 + %add = add nsw i32 %tmp3, %tmp2 + store i32 %add, i32* %a, align 4 + br label %try.cont + +lpad: ; preds = %for.body + %tmp4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) + %tmp5 = extractvalue { i8*, i32 } %tmp4, 0 + store i8* %tmp5, i8** %exn.slot + %tmp6 = extractvalue { i8*, i32 } %tmp4, 1 + store i32 %tmp6, i32* %ehselector.slot + br label %catch.dispatch + +catch.dispatch: ; preds = %lpad + %sel = load i32, i32* %ehselector.slot + %tmp7 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #1 + %matches = icmp eq i32 %sel, %tmp7 + br i1 %matches, label %catch, label %eh.resume + +catch: ; preds = %catch.dispatch + %exn = load i8*, i8** %exn.slot + %e.i8 = bitcast i32* %e to i8* + call void @llvm.eh.begincatch(i8* %exn, i8* %e.i8) #1 + %tmp11 = load i32, i32* %e, align 4 + %tmp12 = load i32, i32* %NumExceptions, align 4 + %idxprom = sext i32 %tmp12 to i64 + %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i64 %idxprom + store i32 %tmp11, i32* %arrayidx, align 4 + %tmp13 = load i32, i32* %NumExceptions, align 4 + %inc = add nsw i32 %tmp13, 1 + store i32 %inc, i32* %NumExceptions, align 4 + %tmp14 = load i32, i32* %e, align 4 + %tmp15 = load i32, i32* %i, align 4 + %cmp1 = icmp eq i32 %tmp14, %tmp15 + br i1 %cmp1, label %if.then, label %if.else + +if.then: ; preds = %catch + %tmp16 = load i32, i32* %e, align 4 + %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 1 + %tmp17 = load i32, i32* %b, align 4 + %add2 = add nsw i32 %tmp17, %tmp16 + store i32 %add2, i32* %b, align 4 + br label %if.end + +if.else: ; preds = %catch + %tmp18 = load i32, i32* %e, align 4 + %a3 = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0 + %tmp19 = load i32, i32* %a3, align 4 + %add4 = add nsw i32 %tmp19, %tmp18 + store i32 %add4, i32* %a3, align 4 + br label %if.end + +if.end: ; preds = %if.else, %if.then + call void @llvm.eh.endcatch() #1 + br label %try.cont + +try.cont: ; preds = %if.end, %invoke.cont + %tmp20 = load i32, i32* %NumExceptions, align 4 + call void @"\01?does_not_throw@@YAXH@Z"(i32 %tmp20) + br label %for.inc + +for.inc: ; preds = %try.cont + %tmp21 = load i32, i32* %i, align 4 + %inc5 = add nsw i32 %tmp21, 1 + store i32 %inc5, i32* %i, align 4 + br label %for.cond + +for.end: ; preds = %for.cond + %tmp22 = load i32, i32* %NumExceptions, align 4 + %arraydecay = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i32 0 + call void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32* %arraydecay, i32 %tmp22, %struct.SomeData* dereferenceable(8) %Data) + ret void + +eh.resume: ; preds = %catch.dispatch + %exn6 = load i8*, i8** %exn.slot + %sel7 = load i32, i32* %ehselector.slot + %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn6, 0 + %lpad.val8 = insertvalue { i8*, i32 } %lpad.val, i32 %sel7, 1 + resume { i8*, i32 } %lpad.val8 +} + +; The following catch handler should be outlined. +; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) { +; CHECK: entry: +; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1) +; CHECK: %eh.data = bitcast i8* %eh.alloc to %"struct.\01?test@@YAXXZ.ehdata"* +; CHECK: %eh.obj.ptr = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 1 +; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr +; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2 +; CHECK: %NumExceptions = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 +; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 +; CHECK: %i = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 +; CHECK: %Data = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 +; CHECK: %tmp11 = load i32, i32* %e, align 4 +; CHECK: %tmp12 = load i32, i32* %NumExceptions, align 4 +; CHECK: %idxprom = sext i32 %tmp12 to i64 +; CHECK: %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i64 %idxprom +; CHECK: store i32 %tmp11, i32* %arrayidx, align 4 +; CHECK: %tmp13 = load i32, i32* %NumExceptions, align 4 +; CHECK: %inc = add nsw i32 %tmp13, 1 +; CHECK: store i32 %inc, i32* %NumExceptions, align 4 +; CHECK: %tmp14 = load i32, i32* %e, align 4 +; CHECK: %tmp15 = load i32, i32* %i, align 4 +; CHECK: %cmp1 = icmp eq i32 %tmp14, %tmp15 +; CHECK: br i1 %cmp1, label %if.then, label %if.else +; +; CHECK: if.then: ; preds = %entry +; CHECK: %tmp16 = load i32, i32* %e, align 4 +; CHECK: %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 1 +; CHECK: %tmp17 = load i32, i32* %b, align 4 +; CHECK: %add2 = add nsw i32 %tmp17, %tmp16 +; CHECK: store i32 %add2, i32* %b, align 4 +; CHECK: br label %if.end +; +; CHECK: if.else: ; preds = %entry +; CHECK: %tmp18 = load i32, i32* %e, align 4 +; CHECK: %a3 = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0 +; CHECK: %tmp19 = load i32, i32* %a3, align 4 +; CHECK: %add4 = add nsw i32 %tmp19, %tmp18 +; CHECK: store i32 %add4, i32* %a3, align 4 +; CHECK: br label %if.end +; +; CHECK: if.end: ; preds = %if.else, %if.then +; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont) +; CHECK: } + + + + + + +; Function Attrs: nounwind +declare void @llvm.memset(i8* nocapture, i8, i64, i32, i1) #1 + +declare void @"\01?may_throw@@YAXXZ"() #2 + +declare i32 @__CxxFrameHandler3(...) + +; Function Attrs: nounwind readnone +declare i32 @llvm.eh.typeid.for(i8*) #3 + +declare void @llvm.eh.begincatch(i8*, i8*) + +declare void @llvm.eh.endcatch() + +declare void @"\01?does_not_throw@@YAXH@Z"(i32) #2 + +declare void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32*, i32, %struct.SomeData* dereferenceable(8)) #2 + +attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { nounwind } +attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #3 = { nounwind readnone } + +!llvm.module.flags = !{!0} +!llvm.ident = !{!1} + +!0 = !{i32 1, !"PIC Level", i32 2} +!1 = !{!"clang version 3.7.0 (trunk 228868)"} diff --git a/test/CodeGen/WinEH/cppeh-inalloca.ll b/test/CodeGen/WinEH/cppeh-inalloca.ll new file mode 100644 index 00000000000..72175a6e785 --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-inalloca.ll @@ -0,0 +1,176 @@ +; RUN: opt -mtriple=i386-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test is built from the following code: +; struct A { +; A(int a); +; A(const A &o); +; ~A(); +; int a; +; }; +; +; void may_throw(); +; +; int test(A a) { +; try { +; may_throw(); +; } +; catch (int e) { +; return a.a + e; +; } +; return 0; +; } +; +; The test was built for a 32-bit Windows target and then the reference to +; the inalloca instruction was manually sunk into the landingpad. + +; ModuleID = 'cppeh-inalloca.cpp' +target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" +target triple = "i386-pc-windows-msvc" + +%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } +%struct.A = type { i32 } + +$"\01??_R0H@8" = comdat any + +@"\01??_7type_info@@6B@" = external constant i8* +@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat + +; The function entry should be rewritten like this. +; CHECK: define i32 @"\01?test@@YAHUA@@@Z"(<{ %struct.A }>* inalloca) #0 { +; CHECK: entry: +; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 24) +; CHECK: %eh.data = bitcast i8* %frame.alloc to %"struct.\01?test@@YAHUA@@@Z.ehdata"* +; CHECK: %.tmp.reg2mem = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 3 +; CHECK: %.tmp = select i1 true, <{ %struct.A }>* %0, <{ %struct.A }>* undef +; CHECK: store <{ %struct.A }>* %.tmp, <{ %struct.A }>** %.tmp.reg2mem +; CHECK-NOT: %retval = alloca i32, align 4 +; CHECK: %retval = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 4 +; CHECK: %exn.slot = alloca i8* +; CHECK: %ehselector.slot = alloca i32 +; CHECK-NOT: %e = alloca i32, align 4 +; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 2 +; CHECK: %cleanup.dest.slot = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 5 +; CHECK: invoke void @"\01?may_throw@@YAXXZ"() +; CHECK: to label %invoke.cont unwind label %lpad + +define i32 @"\01?test@@YAHUA@@@Z"(<{ %struct.A }>* inalloca) #0 { +entry: + %retval = alloca i32, align 4 + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + %e = alloca i32, align 4 + %cleanup.dest.slot = alloca i32 + invoke void @"\01?may_throw@@YAXXZ"() + to label %invoke.cont unwind label %lpad + +invoke.cont: ; preds = %entry + br label %try.cont + +lpad: ; preds = %entry + %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + cleanup + catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) + %2 = extractvalue { i8*, i32 } %1, 0 + store i8* %2, i8** %exn.slot + %3 = extractvalue { i8*, i32 } %1, 1 + store i32 %3, i32* %ehselector.slot + br label %catch.dispatch + +catch.dispatch: ; preds = %lpad + %sel = load i32, i32* %ehselector.slot + %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3 + %matches = icmp eq i32 %sel, %4 + br i1 %matches, label %catch, label %ehcleanup + +catch: ; preds = %catch.dispatch + %exn = load i8*, i8** %exn.slot + %e.i8 = bitcast i32* %e to i8* + call void @llvm.eh.begincatch(i8* %exn, i8* %e.i8) #3 + %a = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 + %a1 = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 0 + %tmp8 = load i32, i32* %a1, align 4 + %tmp9 = load i32, i32* %e, align 4 + %add = add nsw i32 %tmp8, %tmp9 + store i32 %add, i32* %retval + store i32 1, i32* %cleanup.dest.slot + call void @llvm.eh.endcatch() #3 + br label %cleanup + +try.cont: ; preds = %invoke.cont + store i32 0, i32* %retval + store i32 1, i32* %cleanup.dest.slot + br label %cleanup + +; The cleanup block should be re-written like this. +; CHECK: cleanup: ; preds = %try.cont, %catch +; CHECK-NOT: %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 +; CHECK: %.tmp.reload1 = load volatile <{ %struct.A }>*, <{ %struct.A }>** %.tmp.reg2mem +; CHECK: %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %.tmp.reload1, i32 0, i32 0 +; CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a2) #2 +; CHECK: %tmp10 = load i32, i32* %retval +; CHECK: ret i32 %tmp10 + +cleanup: ; preds = %try.cont, %catch + %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 + call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a2) #3 + %tmp10 = load i32, i32* %retval + ret i32 %tmp10 + +ehcleanup: ; preds = %catch.dispatch + %a3 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 + call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a3) #3 + br label %eh.resume + +eh.resume: ; preds = %ehcleanup + %exn2 = load i8*, i8** %exn.slot + %sel3 = load i32, i32* %ehselector.slot + %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn2, 0 + %lpad.val4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel3, 1 + resume { i8*, i32 } %lpad.val4 +} + +; The following catch handler should be outlined. +; CHECK: define internal i8* @"\01?test@@YAHUA@@@Z.catch"(i8*, i8*) { +; CHECK: entry: +; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1) +; CHECK: %eh.data = bitcast i8* %eh.alloc to %"struct.\01?test@@YAHUA@@@Z.ehdata"* +; CHECK: %eh.obj.ptr = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 1 +; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr +; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 2 +; CHECK: %eh.temp.alloca = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 3 +; CHECK: %.reload = load <{ %struct.A }>*, <{ %struct.A }>** %eh.temp.alloca +; CHECK: %retval = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 4 +; CHECK: %cleanup.dest.slot = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 5 +; CHECK: %a = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %.reload, i32 0, i32 0 +; CHECK: %a1 = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 0 +; CHECK: %tmp8 = load i32, i32* %a1, align 4 +; CHECK: %tmp9 = load i32, i32* %e, align 4 +; CHECK: %add = add nsw i32 %tmp8, %tmp9 +; CHECK: store i32 %add, i32* %retval +; CHECK: store i32 1, i32* %cleanup.dest.slot +; CHECK: ret i8* blockaddress(@"\01?test@@YAHUA@@@Z", %cleanup) +; CHECK: } + + +declare void @"\01?may_throw@@YAXXZ"() #0 + +declare i32 @__CxxFrameHandler3(...) + +; Function Attrs: nounwind readnone +declare i32 @llvm.eh.typeid.for(i8*) #1 + +declare void @llvm.eh.begincatch(i8*, i8*) + +declare void @llvm.eh.endcatch() + +; Function Attrs: nounwind +declare x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A*) #2 + +attributes #0 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { nounwind readnone } +attributes #2 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #3 = { nounwind } + +!llvm.ident = !{!0} + +!0 = !{!"clang version 3.7.0 (trunk 228868)"} diff --git a/test/CodeGen/WinEH/cppeh-min-unwind.ll b/test/CodeGen/WinEH/cppeh-min-unwind.ll new file mode 100644 index 00000000000..a7b97385e90 --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-min-unwind.ll @@ -0,0 +1,92 @@ +; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test was generated from the following source: +; +; class SomeClass { +; public: +; SomeClass(); +; ~SomeClass(); +; }; +; +; void test() { +; SomeClass obj; +; may_throw(); +; } + + +; ModuleID = 'min-unwind.cpp' +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc" + +; This structure should be created for the frame allocation. +; CHECK: %struct._Z4testv.ehdata = type { i32, i8*, %class.SomeClass } + +%class.SomeClass = type { [28 x i32] } + +; The function entry should be rewritten like this. +; CHECK: define void @_Z4testv() #0 { +; CHECK: entry: +; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 128) +; CHECK: %eh.data = bitcast i8* %frame.alloc to %struct._Z4testv.ehdata* +; CHECK-NOT: %obj = alloca %class.SomeClass, align 4 +; CHECK: %obj = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 + +; Function Attrs: uwtable +define void @_Z4testv() #0 { +entry: + %obj = alloca %class.SomeClass, align 4 + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + call void @_ZN9SomeClassC1Ev(%class.SomeClass* %obj) + invoke void @_Z9may_throwv() + to label %invoke.cont unwind label %lpad + +invoke.cont: ; preds = %entry + call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj) + ret void + +lpad: ; preds = %entry + %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + cleanup + %tmp1 = extractvalue { i8*, i32 } %tmp, 0 + store i8* %tmp1, i8** %exn.slot + %tmp2 = extractvalue { i8*, i32 } %tmp, 1 + store i32 %tmp2, i32* %ehselector.slot + call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj) + br label %eh.resume + +eh.resume: ; preds = %lpad + %exn = load i8*, i8** %exn.slot + %sel = load i32, i32* %ehselector.slot + %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0 + %lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1 + resume { i8*, i32 } %lpad.val2 +} + +; This cleanup handler should be outlined. +; CHECK: define internal void @_Z4testv.cleanup(i8*, i8*) { +; CHECK: entry: +; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1) +; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata* +; CHECK: %obj = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 +; CHECK: call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj) +; CHECK: ret void +; CHECK: } + +declare void @_ZN9SomeClassC1Ev(%class.SomeClass*) #1 + +declare void @_Z9may_throwv() #1 + +declare i32 @__CxxFrameHandler3(...) + +declare void @_ZN9SomeClassD1Ev(%class.SomeClass*) #1 + +attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #2 = { noinline noreturn nounwind } +attributes #3 = { noreturn nounwind } +attributes #4 = { nounwind } + +!llvm.ident = !{!0} + +!0 = !{!"clang version 3.7.0 (trunk 226027)"} diff --git a/test/CodeGen/WinEH/cppeh-nonalloca-frame-values.ll b/test/CodeGen/WinEH/cppeh-nonalloca-frame-values.ll new file mode 100644 index 00000000000..1239f267bac --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-nonalloca-frame-values.ll @@ -0,0 +1,266 @@ +; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test is based on the following code: +; +; struct SomeData { +; int a; +; int b; +; }; +; +; void may_throw(); +; void does_not_throw(int i); +; void dump(int *, int, SomeData&); +; +; void test() { +; int NumExceptions = 0; +; int ExceptionVal[10]; +; SomeData Data = { 0, 0 }; +; +; for (int i = 0; i < 10; ++i) { +; try { +; may_throw(); +; Data.a += i; +; } +; catch (int e) { +; ExceptionVal[NumExceptions] = e; +; ++NumExceptions; +; if (e == i) +; Data.b += e; +; else +; Data.a += e; +; } +; does_not_throw(NumExceptions); +; } +; dump(ExceptionVal, NumExceptions, Data); +; } +; +; Unlike the cppeh-frame-vars.ll test, this test was generated using -O2 +; optimization, which results in non-alloca values being used in the +; catch handler. + +; ModuleID = 'cppeh-frame-vars.cpp' +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc" + +%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } +%struct.SomeData = type { i32, i32 } + +$"\01??_R0H@8" = comdat any + +@"\01??_7type_info@@6B@" = external constant i8* +@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat + +; This structure should be declared for the frame allocation block. +; CHECK: %"struct.\01?test@@YAXXZ.ehdata" = type { i32, i8*, i32, i32, [10 x i32], i32, i32*, i32* } + +; The function entry should be rewritten like this. +; CHECK: define void @"\01?test@@YAXXZ"() #0 { +; CHECK: entry: +; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 88) +; CHECK: %eh.data = bitcast i8* %frame.alloc to %"struct.\01?test@@YAXXZ.ehdata"* +; CHECK-NOT: %ExceptionVal = alloca [10 x i32], align 16 +; CHECK: %NumExceptions.020.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 +; CHECK: %i.019.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 +; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 +; CHECK: %Data = alloca i64, align 8 +; CHECK: %tmpcast = bitcast i64* %Data to %struct.SomeData* +; CHECK: %0 = bitcast [10 x i32]* %ExceptionVal to i8* +; CHECK: call void @llvm.lifetime.start(i64 40, i8* %0) #1 +; CHECK: store i64 0, i64* %Data, align 8 +; CHECK: %a.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 +; CHECK: %a = bitcast i64* %Data to i32* +; CHECK: store i32* %a, i32** %a.reg2mem +; CHECK: %b.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 7 +; CHECK: %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %tmpcast, i64 0, i32 1 +; CHECK: store i32* %b, i32** %b.reg2mem +; CHECK: store i32 0, i32* %NumExceptions.020.reg2mem +; CHECK: store i32 0, i32* %i.019.reg2mem +; CHECK: br label %for.body + +; Function Attrs: uwtable +define void @"\01?test@@YAXXZ"() #0 { +entry: + %e = alloca i32, align 4 + %ExceptionVal = alloca [10 x i32], align 16 + %Data = alloca i64, align 8 + %tmpcast = bitcast i64* %Data to %struct.SomeData* + %0 = bitcast [10 x i32]* %ExceptionVal to i8* + call void @llvm.lifetime.start(i64 40, i8* %0) #1 + store i64 0, i64* %Data, align 8 + %a = bitcast i64* %Data to i32* + %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %tmpcast, i64 0, i32 1 + br label %for.body + +; CHECK: for.body: +; CHECK-NOT: %NumExceptions.020 = phi i32 [ 0, %entry ], [ %NumExceptions.1, %try.cont ] +; CHECK-NOT: %i.019 = phi i32 [ 0, %entry ], [ %inc5, %try.cont ] +; CHECK: %i.019.reload = load i32, i32* %i.019.reg2mem +; CHECK: %NumExceptions.020.reload = load i32, i32* %NumExceptions.020.reg2mem +for.body: ; preds = %entry, %try.cont + %NumExceptions.020 = phi i32 [ 0, %entry ], [ %NumExceptions.1, %try.cont ] + %i.019 = phi i32 [ 0, %entry ], [ %inc5, %try.cont ] + invoke void @"\01?may_throw@@YAXXZ"() + to label %invoke.cont unwind label %lpad + +; CHECK: invoke.cont: ; preds = %for.body +; CHECK-NOT: %1 = load i32, i32* %a, align 8, !tbaa !2 +; CHECK-NOT: %add = add nsw i32 %1, %i.019 +; CHECK-NOT: store i32 %add, i32* %a, align 8, !tbaa !2 +; CHECK: %a.reload3 = load volatile i32*, i32** %a.reg2mem +; CHECK: %1 = load i32, i32* %a.reload3, align 8, !tbaa !2 +; CHECK: %add = add nsw i32 %1, %i.019.reload +; CHECK: %a.reload2 = load volatile i32*, i32** %a.reg2mem +; CHECK: store i32 %add, i32* %a.reload2, align 8, !tbaa !2 +; CHECK: br label %try.cont +invoke.cont: ; preds = %for.body + %1 = load i32, i32* %a, align 8, !tbaa !2 + %add = add nsw i32 %1, %i.019 + store i32 %add, i32* %a, align 8, !tbaa !2 + br label %try.cont + +lpad: ; preds = %for.body + %2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) + %3 = extractvalue { i8*, i32 } %2, 1 + %4 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #1 + %matches = icmp eq i32 %3, %4 + br i1 %matches, label %catch, label %eh.resume + +catch: ; preds = %lpad + %5 = extractvalue { i8*, i32 } %2, 0 + %e.i8 = bitcast i32* %e to i8* + call void @llvm.eh.begincatch(i8* %5, i8* %e.i8) #1 + %tmp8 = load i32, i32* %e, align 4, !tbaa !7 + %idxprom = sext i32 %NumExceptions.020 to i64 + %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i64 0, i64 %idxprom + store i32 %tmp8, i32* %arrayidx, align 4, !tbaa !7 + %inc = add nsw i32 %NumExceptions.020, 1 + %cmp1 = icmp eq i32 %tmp8, %i.019 + br i1 %cmp1, label %if.then, label %if.else + +if.then: ; preds = %catch + %tmp9 = load i32, i32* %b, align 4, !tbaa !8 + %add2 = add nsw i32 %tmp9, %i.019 + store i32 %add2, i32* %b, align 4, !tbaa !8 + br label %if.end + +if.else: ; preds = %catch + %tmp10 = load i32, i32* %a, align 8, !tbaa !2 + %add4 = add nsw i32 %tmp10, %tmp8 + store i32 %add4, i32* %a, align 8, !tbaa !2 + br label %if.end + +if.end: ; preds = %if.else, %if.then + tail call void @llvm.eh.endcatch() #1 + br label %try.cont + +; CHECK: try.cont: ; preds = %if.end, %invoke.cont +; CHECK-NOT: %NumExceptions.1 = phi i32 [ %NumExceptions.020, %invoke.cont ], [ %inc, %if.end ] +; CHECK: %NumExceptions.1 = phi i32 [ %NumExceptions.020.reload, %invoke.cont ], [ %inc, %if.end ] +; CHECK: tail call void @"\01?does_not_throw@@YAXH@Z"(i32 %NumExceptions.1) +; CHECK-NOT: %inc5 = add nuw nsw i32 %i.019, 1 +; CHECK: %inc5 = add nuw nsw i32 %i.019.reload, 1 +; CHECK: %cmp = icmp slt i32 %inc5, 10 +; CHECK: store i32 %NumExceptions.1, i32* %NumExceptions.020.reg2mem +; CHECK: store i32 %inc5, i32* %i.019.reg2mem +; CHECK: br i1 %cmp, label %for.body, label %for.end + +try.cont: ; preds = %if.end, %invoke.cont + %NumExceptions.1 = phi i32 [ %NumExceptions.020, %invoke.cont ], [ %inc, %if.end ] + tail call void @"\01?does_not_throw@@YAXH@Z"(i32 %NumExceptions.1) + %inc5 = add nuw nsw i32 %i.019, 1 + %cmp = icmp slt i32 %inc5, 10 + br i1 %cmp, label %for.body, label %for.end + +for.end: ; preds = %try.cont + %NumExceptions.1.lcssa = phi i32 [ %NumExceptions.1, %try.cont ] + %arraydecay = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i64 0, i64 0 + call void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32* %arraydecay, i32 %NumExceptions.1.lcssa, %struct.SomeData* dereferenceable(8) %tmpcast) + call void @llvm.lifetime.end(i64 40, i8* %0) #1 + ret void + +eh.resume: ; preds = %lpad + %.lcssa = phi { i8*, i32 } [ %2, %lpad ] + resume { i8*, i32 } %.lcssa +} + +; The following catch handler should be outlined. +; CHECK: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) { +; CHECK: entry: +; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1) +; CHECK: %eh.data = bitcast i8* %eh.alloc to %"struct.\01?test@@YAXXZ.ehdata"* +; CHECK: %eh.obj.ptr = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 1 +; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr +; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2 +; CHECK: %eh.temp.alloca = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 +; CHECK: %NumExceptions.020.reload = load i32, i32* %eh.temp.alloca +; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 +; CHECK: %eh.temp.alloca1 = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 +; CHECK: %i.019.reload = load i32, i32* %eh.temp.alloca1 +; CHECK: %eh.temp.alloca2 = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 +; CHECK: %a.reload = load i32*, i32** %eh.temp.alloca2 +; CHECK: %eh.temp.alloca3 = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 7 +; CHECK: %b.reload = load i32*, i32** %eh.temp.alloca3 +; CHECK: %e.i8 = bitcast i32* %e to i8* +; CHECK: %tmp8 = load i32, i32* %e, align 4, !tbaa !7 +; CHECK: %idxprom = sext i32 %NumExceptions.020.reload to i64 +; CHECK: %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i64 0, i64 %idxprom +; CHECK: store i32 %tmp8, i32* %arrayidx, align 4, !tbaa !7 +; CHECK: %inc = add nsw i32 %NumExceptions.020.reload, 1 +; CHECK: %cmp1 = icmp eq i32 %tmp8, %i.019.reload +; CHECK: br i1 %cmp1, label %if.then, label %if.else +; +; CHECK: if.then: ; preds = %entry +; CHECK: %tmp9 = load i32, i32* %b.reload, align 4, !tbaa !8 +; CHECK: %add2 = add nsw i32 %tmp9, %i.019.reload +; CHECK: store i32 %add2, i32* %b.reload, align 4, !tbaa !8 +; CHECK: br label %if.end +; +; CHECK: if.else: ; preds = %entry +; CHECK: %tmp10 = load i32, i32* %a.reload, align 8, !tbaa !2 +; CHECK: %add4 = add nsw i32 %tmp10, %tmp8 +; CHECK: store i32 %add4, i32* %a.reload, align 8, !tbaa !2 +; CHECK: br label %if.end +; +; CHECK: if.end: ; preds = %if.else, %if.then +; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont) +; CHECK: } + +; Function Attrs: nounwind +declare void @llvm.lifetime.start(i64, i8* nocapture) #1 + +declare void @"\01?may_throw@@YAXXZ"() #2 + +declare i32 @__CxxFrameHandler3(...) + +; Function Attrs: nounwind readnone +declare i32 @llvm.eh.typeid.for(i8*) #3 + +declare void @llvm.eh.begincatch(i8*, i8*) + +declare void @llvm.eh.endcatch() + +declare void @"\01?does_not_throw@@YAXH@Z"(i32) #2 + +declare void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32*, i32, %struct.SomeData* dereferenceable(8)) #2 + +; Function Attrs: nounwind +declare void @llvm.lifetime.end(i64, i8* nocapture) #1 + +attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #1 = { nounwind } +attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } +attributes #3 = { nounwind readnone } + +!llvm.module.flags = !{!0} +!llvm.ident = !{!1} + +!0 = !{i32 1, !"PIC Level", i32 2} +!1 = !{!"clang version 3.7.0 (trunk 228868)"} +!2 = !{!3, !4, i64 0} +!3 = !{!"?AUSomeData@@", !4, i64 0, !4, i64 4} +!4 = !{!"int", !5, i64 0} +!5 = !{!"omnipotent char", !6, i64 0} +!6 = !{!"Simple C/C++ TBAA"} +!7 = !{!4, !4, i64 0} +!8 = !{!3, !4, i64 4} diff --git a/test/CodeGen/WinEH/lit.local.cfg b/test/CodeGen/WinEH/lit.local.cfg new file mode 100644 index 00000000000..67905d7e06e --- /dev/null +++ b/test/CodeGen/WinEH/lit.local.cfg @@ -0,0 +1,12 @@ +# FIXME: For now, override suffixes to exclude any .s tests, because some of the +# buildbots have a stray misched-copy.s output file lying around that causes +# failures. See misched-copy.s where we try and clean up that file. +# +# It should be possible to remove this override once all the bots have cycled +# cleanly. +config.suffixes = ['.ll', '.test', '.txt'] + +# FIXME: Add Windows on ARM support to these tests. +if not 'X86' in config.root.targets: + config.unsupported = True + diff --git a/test/CodeGen/X86/cppeh-catch-all.ll b/test/CodeGen/X86/cppeh-catch-all.ll deleted file mode 100644 index c8d54aca7e3..00000000000 --- a/test/CodeGen/X86/cppeh-catch-all.ll +++ /dev/null @@ -1,83 +0,0 @@ -; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s - -; This test is based on the following code: -; -; void test() -; { -; try { -; may_throw(); -; } catch (...) { -; handle_exception(); -; } -; } -; -; Parts of the IR have been hand-edited to simplify the test case. -; The full IR will be restored when Windows C++ EH support is complete. - -; ModuleID = 'catch-all.cpp' -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-pc-windows-msvc" - -; Function Attrs: uwtable -define void @_Z4testv() #0 { -entry: - %exn.slot = alloca i8* - %ehselector.slot = alloca i32 - invoke void @_Z9may_throwv() - to label %invoke.cont unwind label %lpad - -invoke.cont: ; preds = %entry - br label %try.cont - -lpad: ; preds = %entry - %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) - catch i8* null - %tmp1 = extractvalue { i8*, i32 } %tmp, 0 - store i8* %tmp1, i8** %exn.slot - %tmp2 = extractvalue { i8*, i32 } %tmp, 1 - store i32 %tmp2, i32* %ehselector.slot - br label %catch - -catch: ; preds = %lpad - %exn = load i8*, i8** %exn.slot - call void @llvm.eh.begincatch(i8* %exn, i8* null) #2 - call void @_Z16handle_exceptionv() - br label %invoke.cont2 - -invoke.cont2: ; preds = %catch - call void @llvm.eh.endcatch() - br label %try.cont - -try.cont: ; preds = %invoke.cont2, %invoke.cont - ret void -} - -; CHECK: define internal i8* @_Z4testv.catch(i8*, i8*) { -; CHECK: entry: -; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1) -; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata* -; CHECK: %eh.obj.ptr = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 1 -; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr -; CHECK: call void @_Z16handle_exceptionv() -; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont) -; CHECK: } - -declare void @_Z9may_throwv() #1 - -declare i32 @__CxxFrameHandler3(...) - -declare void @llvm.eh.begincatch(i8*, i8*) - -declare void @_Z16handle_exceptionv() #1 - -declare void @llvm.eh.endcatch() - -attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #2 = { noinline noreturn nounwind } -attributes #3 = { nounwind } -attributes #4 = { noreturn nounwind } - -!llvm.ident = !{!0} - -!0 = !{!"clang version 3.7.0 (trunk 226027)"} diff --git a/test/CodeGen/X86/cppeh-catch-scalar.ll b/test/CodeGen/X86/cppeh-catch-scalar.ll deleted file mode 100644 index ce3f1b52f31..00000000000 --- a/test/CodeGen/X86/cppeh-catch-scalar.ll +++ /dev/null @@ -1,118 +0,0 @@ -; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s - -; This test is based on the following code: -; -; void test() -; { -; try { -; may_throw(); -; } catch (int i) { -; handle_int(i); -; } -; } -; -; Parts of the IR have been hand-edited to simplify the test case. -; The full IR will be restored when Windows C++ EH support is complete. - -;ModuleID = 'cppeh-catch-scalar.cpp' -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-pc-windows-msvc" - -; This is the structure that will get created for the frame allocation. -; CHECK: %struct._Z4testv.ehdata = type { i32, i8*, i32 } - -@_ZTIi = external constant i8* - -; The function entry will be rewritten like this. -; CHECK: define void @_Z4testv() #0 { -; CHECK: entry: -; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 24) -; CHECK: %eh.data = bitcast i8* %frame.alloc to %struct._Z4testv.ehdata* -; CHECK: %exn.slot = alloca i8* -; CHECK: %ehselector.slot = alloca i32 -; CHECK-NOT: %i = alloca i32, align 4 -; CHECK: %i = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 - -; Function Attrs: uwtable -define void @_Z4testv() #0 { -entry: - %exn.slot = alloca i8* - %ehselector.slot = alloca i32 - %i = alloca i32, align 4 - invoke void @_Z9may_throwv() - to label %invoke.cont unwind label %lpad - -invoke.cont: ; preds = %entry - br label %try.cont - -lpad: ; preds = %entry - %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) - catch i8* bitcast (i8** @_ZTIi to i8*) - %tmp1 = extractvalue { i8*, i32 } %tmp, 0 - store i8* %tmp1, i8** %exn.slot - %tmp2 = extractvalue { i8*, i32 } %tmp, 1 - store i32 %tmp2, i32* %ehselector.slot - br label %catch.dispatch - -catch.dispatch: ; preds = %lpad - %sel = load i32, i32* %ehselector.slot - %tmp3 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #3 - %matches = icmp eq i32 %sel, %tmp3 - br i1 %matches, label %catch, label %eh.resume - -catch: ; preds = %catch.dispatch - %exn11 = load i8*, i8** %exn.slot - %i.i8 = bitcast i32* %i to i8* - call void @llvm.eh.begincatch(i8* %exn11, i8* %i.i8) #3 - %tmp7 = load i32, i32* %i, align 4 - call void @_Z10handle_inti(i32 %tmp7) - br label %invoke.cont2 - -invoke.cont2: ; preds = %catch - call void @llvm.eh.endcatch() #3 - br label %try.cont - -try.cont: ; preds = %invoke.cont2, %invoke.cont - ret void - -eh.resume: ; preds = %catch.dispatch - %exn3 = load i8*, i8** %exn.slot - %sel4 = load i32, i32* %ehselector.slot - %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn3, 0 - %lpad.val5 = insertvalue { i8*, i32 } %lpad.val, i32 %sel4, 1 - resume { i8*, i32 } %lpad.val5 -} - -; CHECK: define internal i8* @_Z4testv.catch(i8*, i8*) { -; CHECK: entry: -; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1) -; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata* -; CHECK: %eh.obj.ptr = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 1 -; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr -; CHECK: %i = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 -; CHECK: %tmp7 = load i32, i32* %i, align 4 -; CHECK: call void @_Z10handle_inti(i32 %tmp7) -; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont) -; CHECK: } - -declare void @_Z9may_throwv() #1 - -declare i32 @__CxxFrameHandler3(...) - -; Function Attrs: nounwind readnone -declare i32 @llvm.eh.typeid.for(i8*) #2 - -declare void @llvm.eh.begincatch(i8*, i8*) - -declare void @llvm.eh.endcatch() - -declare void @_Z10handle_inti(i32) #1 - -attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #2 = { nounwind readnone } -attributes #3 = { nounwind } - -!llvm.ident = !{!0} - -!0 = !{!"clang version 3.7.0 (trunk 227474) (llvm/trunk 227508)"} diff --git a/test/CodeGen/X86/cppeh-frame-vars.ll b/test/CodeGen/X86/cppeh-frame-vars.ll deleted file mode 100644 index 6d6644084b9..00000000000 --- a/test/CodeGen/X86/cppeh-frame-vars.ll +++ /dev/null @@ -1,256 +0,0 @@ -; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s - -; This test is based on the following code: -; -; struct SomeData { -; int a; -; int b; -; }; -; -; void may_throw(); -; void does_not_throw(int i); -; void dump(int *, int, SomeData&); -; -; void test() { -; int NumExceptions = 0; -; int ExceptionVal[10]; -; SomeData Data = { 0, 0 }; -; -; for (int i = 0; i < 10; ++i) { -; try { -; may_throw(); -; Data.a += i; -; } -; catch (int e) { -; ExceptionVal[NumExceptions] = e; -; ++NumExceptions; -; if (e == i) -; Data.b += e; -; else -; Data.a += e; -; } -; does_not_throw(NumExceptions); -; } -; dump(ExceptionVal, NumExceptions, Data); -; } - -; ModuleID = 'cppeh-frame-vars.cpp' -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-pc-windows-msvc" - -%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } -%struct.SomeData = type { i32, i32 } - -; This structure should be declared for the frame allocation block. -; CHECK: %"struct.\01?test@@YAXXZ.ehdata" = type { i32, i8*, i32, i32, [10 x i32], i32, %struct.SomeData } - -$"\01??_R0H@8" = comdat any - -@"\01??_7type_info@@6B@" = external constant i8* -@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat - -; The function entry should be rewritten like this. -; CHECK: define void @"\01?test@@YAXXZ"() #0 { -; CHECK: entry: -; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 80) -; CHECK: %eh.data = bitcast i8* %frame.alloc to %"struct.\01?test@@YAXXZ.ehdata"* -; CHECK-NOT: %NumExceptions = alloca i32, align 4 -; CHECK: %NumExceptions = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 -; CHECK-NOT: %ExceptionVal = alloca [10 x i32], align 16 -; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 -; CHECK-NOT: %Data = alloca %struct.SomeData, align 4 -; CHECK: %Data = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 -; CHECK: %i = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 -; CHECK: %exn.slot = alloca i8* -; CHECK: %ehselector.slot = alloca i32 -; CHECK-NOT: %e = alloca i32, align 4 -; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2 - -; Function Attrs: uwtable -define void @"\01?test@@YAXXZ"() #0 { -entry: - %NumExceptions = alloca i32, align 4 - %ExceptionVal = alloca [10 x i32], align 16 - %Data = alloca %struct.SomeData, align 4 - %i = alloca i32, align 4 - %exn.slot = alloca i8* - %ehselector.slot = alloca i32 - %e = alloca i32, align 4 - store i32 0, i32* %NumExceptions, align 4 - %tmp = bitcast %struct.SomeData* %Data to i8* - call void @llvm.memset(i8* %tmp, i8 0, i64 8, i32 4, i1 false) - store i32 0, i32* %i, align 4 - br label %for.cond - -for.cond: ; preds = %for.inc, %entry - %tmp1 = load i32, i32* %i, align 4 - %cmp = icmp slt i32 %tmp1, 10 - br i1 %cmp, label %for.body, label %for.end - -for.body: ; preds = %for.cond - invoke void @"\01?may_throw@@YAXXZ"() - to label %invoke.cont unwind label %lpad - -invoke.cont: ; preds = %for.body - %tmp2 = load i32, i32* %i, align 4 - %a = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0 - %tmp3 = load i32, i32* %a, align 4 - %add = add nsw i32 %tmp3, %tmp2 - store i32 %add, i32* %a, align 4 - br label %try.cont - -lpad: ; preds = %for.body - %tmp4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) - catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) - %tmp5 = extractvalue { i8*, i32 } %tmp4, 0 - store i8* %tmp5, i8** %exn.slot - %tmp6 = extractvalue { i8*, i32 } %tmp4, 1 - store i32 %tmp6, i32* %ehselector.slot - br label %catch.dispatch - -catch.dispatch: ; preds = %lpad - %sel = load i32, i32* %ehselector.slot - %tmp7 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #1 - %matches = icmp eq i32 %sel, %tmp7 - br i1 %matches, label %catch, label %eh.resume - -catch: ; preds = %catch.dispatch - %exn = load i8*, i8** %exn.slot - %e.i8 = bitcast i32* %e to i8* - call void @llvm.eh.begincatch(i8* %exn, i8* %e.i8) #1 - %tmp11 = load i32, i32* %e, align 4 - %tmp12 = load i32, i32* %NumExceptions, align 4 - %idxprom = sext i32 %tmp12 to i64 - %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i64 %idxprom - store i32 %tmp11, i32* %arrayidx, align 4 - %tmp13 = load i32, i32* %NumExceptions, align 4 - %inc = add nsw i32 %tmp13, 1 - store i32 %inc, i32* %NumExceptions, align 4 - %tmp14 = load i32, i32* %e, align 4 - %tmp15 = load i32, i32* %i, align 4 - %cmp1 = icmp eq i32 %tmp14, %tmp15 - br i1 %cmp1, label %if.then, label %if.else - -if.then: ; preds = %catch - %tmp16 = load i32, i32* %e, align 4 - %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 1 - %tmp17 = load i32, i32* %b, align 4 - %add2 = add nsw i32 %tmp17, %tmp16 - store i32 %add2, i32* %b, align 4 - br label %if.end - -if.else: ; preds = %catch - %tmp18 = load i32, i32* %e, align 4 - %a3 = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0 - %tmp19 = load i32, i32* %a3, align 4 - %add4 = add nsw i32 %tmp19, %tmp18 - store i32 %add4, i32* %a3, align 4 - br label %if.end - -if.end: ; preds = %if.else, %if.then - call void @llvm.eh.endcatch() #1 - br label %try.cont - -try.cont: ; preds = %if.end, %invoke.cont - %tmp20 = load i32, i32* %NumExceptions, align 4 - call void @"\01?does_not_throw@@YAXH@Z"(i32 %tmp20) - br label %for.inc - -for.inc: ; preds = %try.cont - %tmp21 = load i32, i32* %i, align 4 - %inc5 = add nsw i32 %tmp21, 1 - store i32 %inc5, i32* %i, align 4 - br label %for.cond - -for.end: ; preds = %for.cond - %tmp22 = load i32, i32* %NumExceptions, align 4 - %arraydecay = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i32 0 - call void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32* %arraydecay, i32 %tmp22, %struct.SomeData* dereferenceable(8) %Data) - ret void - -eh.resume: ; preds = %catch.dispatch - %exn6 = load i8*, i8** %exn.slot - %sel7 = load i32, i32* %ehselector.slot - %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn6, 0 - %lpad.val8 = insertvalue { i8*, i32 } %lpad.val, i32 %sel7, 1 - resume { i8*, i32 } %lpad.val8 -} - -; The following catch handler should be outlined. -; CHECK-LABEL: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) { -; CHECK: entry: -; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1) -; CHECK: %eh.data = bitcast i8* %eh.alloc to %"struct.\01?test@@YAXXZ.ehdata"* -; CHECK: %eh.obj.ptr = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 1 -; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr -; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2 -; CHECK: %NumExceptions = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 -; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 -; CHECK: %i = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 -; CHECK: %Data = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 -; CHECK: %tmp11 = load i32, i32* %e, align 4 -; CHECK: %tmp12 = load i32, i32* %NumExceptions, align 4 -; CHECK: %idxprom = sext i32 %tmp12 to i64 -; CHECK: %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i32 0, i64 %idxprom -; CHECK: store i32 %tmp11, i32* %arrayidx, align 4 -; CHECK: %tmp13 = load i32, i32* %NumExceptions, align 4 -; CHECK: %inc = add nsw i32 %tmp13, 1 -; CHECK: store i32 %inc, i32* %NumExceptions, align 4 -; CHECK: %tmp14 = load i32, i32* %e, align 4 -; CHECK: %tmp15 = load i32, i32* %i, align 4 -; CHECK: %cmp1 = icmp eq i32 %tmp14, %tmp15 -; CHECK: br i1 %cmp1, label %if.then, label %if.else -; -; CHECK: if.then: ; preds = %entry -; CHECK: %tmp16 = load i32, i32* %e, align 4 -; CHECK: %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 1 -; CHECK: %tmp17 = load i32, i32* %b, align 4 -; CHECK: %add2 = add nsw i32 %tmp17, %tmp16 -; CHECK: store i32 %add2, i32* %b, align 4 -; CHECK: br label %if.end -; -; CHECK: if.else: ; preds = %entry -; CHECK: %tmp18 = load i32, i32* %e, align 4 -; CHECK: %a3 = getelementptr inbounds %struct.SomeData, %struct.SomeData* %Data, i32 0, i32 0 -; CHECK: %tmp19 = load i32, i32* %a3, align 4 -; CHECK: %add4 = add nsw i32 %tmp19, %tmp18 -; CHECK: store i32 %add4, i32* %a3, align 4 -; CHECK: br label %if.end -; -; CHECK: if.end: ; preds = %if.else, %if.then -; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont) -; CHECK: } - - - - - - -; Function Attrs: nounwind -declare void @llvm.memset(i8* nocapture, i8, i64, i32, i1) #1 - -declare void @"\01?may_throw@@YAXXZ"() #2 - -declare i32 @__CxxFrameHandler3(...) - -; Function Attrs: nounwind readnone -declare i32 @llvm.eh.typeid.for(i8*) #3 - -declare void @llvm.eh.begincatch(i8*, i8*) - -declare void @llvm.eh.endcatch() - -declare void @"\01?does_not_throw@@YAXH@Z"(i32) #2 - -declare void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32*, i32, %struct.SomeData* dereferenceable(8)) #2 - -attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #1 = { nounwind } -attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #3 = { nounwind readnone } - -!llvm.module.flags = !{!0} -!llvm.ident = !{!1} - -!0 = !{i32 1, !"PIC Level", i32 2} -!1 = !{!"clang version 3.7.0 (trunk 228868)"} diff --git a/test/CodeGen/X86/cppeh-inalloca.ll b/test/CodeGen/X86/cppeh-inalloca.ll deleted file mode 100644 index 72175a6e785..00000000000 --- a/test/CodeGen/X86/cppeh-inalloca.ll +++ /dev/null @@ -1,176 +0,0 @@ -; RUN: opt -mtriple=i386-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s - -; This test is built from the following code: -; struct A { -; A(int a); -; A(const A &o); -; ~A(); -; int a; -; }; -; -; void may_throw(); -; -; int test(A a) { -; try { -; may_throw(); -; } -; catch (int e) { -; return a.a + e; -; } -; return 0; -; } -; -; The test was built for a 32-bit Windows target and then the reference to -; the inalloca instruction was manually sunk into the landingpad. - -; ModuleID = 'cppeh-inalloca.cpp' -target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32" -target triple = "i386-pc-windows-msvc" - -%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } -%struct.A = type { i32 } - -$"\01??_R0H@8" = comdat any - -@"\01??_7type_info@@6B@" = external constant i8* -@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat - -; The function entry should be rewritten like this. -; CHECK: define i32 @"\01?test@@YAHUA@@@Z"(<{ %struct.A }>* inalloca) #0 { -; CHECK: entry: -; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 24) -; CHECK: %eh.data = bitcast i8* %frame.alloc to %"struct.\01?test@@YAHUA@@@Z.ehdata"* -; CHECK: %.tmp.reg2mem = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 3 -; CHECK: %.tmp = select i1 true, <{ %struct.A }>* %0, <{ %struct.A }>* undef -; CHECK: store <{ %struct.A }>* %.tmp, <{ %struct.A }>** %.tmp.reg2mem -; CHECK-NOT: %retval = alloca i32, align 4 -; CHECK: %retval = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 4 -; CHECK: %exn.slot = alloca i8* -; CHECK: %ehselector.slot = alloca i32 -; CHECK-NOT: %e = alloca i32, align 4 -; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 2 -; CHECK: %cleanup.dest.slot = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 5 -; CHECK: invoke void @"\01?may_throw@@YAXXZ"() -; CHECK: to label %invoke.cont unwind label %lpad - -define i32 @"\01?test@@YAHUA@@@Z"(<{ %struct.A }>* inalloca) #0 { -entry: - %retval = alloca i32, align 4 - %exn.slot = alloca i8* - %ehselector.slot = alloca i32 - %e = alloca i32, align 4 - %cleanup.dest.slot = alloca i32 - invoke void @"\01?may_throw@@YAXXZ"() - to label %invoke.cont unwind label %lpad - -invoke.cont: ; preds = %entry - br label %try.cont - -lpad: ; preds = %entry - %1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) - cleanup - catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) - %2 = extractvalue { i8*, i32 } %1, 0 - store i8* %2, i8** %exn.slot - %3 = extractvalue { i8*, i32 } %1, 1 - store i32 %3, i32* %ehselector.slot - br label %catch.dispatch - -catch.dispatch: ; preds = %lpad - %sel = load i32, i32* %ehselector.slot - %4 = call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #3 - %matches = icmp eq i32 %sel, %4 - br i1 %matches, label %catch, label %ehcleanup - -catch: ; preds = %catch.dispatch - %exn = load i8*, i8** %exn.slot - %e.i8 = bitcast i32* %e to i8* - call void @llvm.eh.begincatch(i8* %exn, i8* %e.i8) #3 - %a = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 - %a1 = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 0 - %tmp8 = load i32, i32* %a1, align 4 - %tmp9 = load i32, i32* %e, align 4 - %add = add nsw i32 %tmp8, %tmp9 - store i32 %add, i32* %retval - store i32 1, i32* %cleanup.dest.slot - call void @llvm.eh.endcatch() #3 - br label %cleanup - -try.cont: ; preds = %invoke.cont - store i32 0, i32* %retval - store i32 1, i32* %cleanup.dest.slot - br label %cleanup - -; The cleanup block should be re-written like this. -; CHECK: cleanup: ; preds = %try.cont, %catch -; CHECK-NOT: %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 -; CHECK: %.tmp.reload1 = load volatile <{ %struct.A }>*, <{ %struct.A }>** %.tmp.reg2mem -; CHECK: %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %.tmp.reload1, i32 0, i32 0 -; CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a2) #2 -; CHECK: %tmp10 = load i32, i32* %retval -; CHECK: ret i32 %tmp10 - -cleanup: ; preds = %try.cont, %catch - %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 - call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a2) #3 - %tmp10 = load i32, i32* %retval - ret i32 %tmp10 - -ehcleanup: ; preds = %catch.dispatch - %a3 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0 - call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* %a3) #3 - br label %eh.resume - -eh.resume: ; preds = %ehcleanup - %exn2 = load i8*, i8** %exn.slot - %sel3 = load i32, i32* %ehselector.slot - %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn2, 0 - %lpad.val4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel3, 1 - resume { i8*, i32 } %lpad.val4 -} - -; The following catch handler should be outlined. -; CHECK: define internal i8* @"\01?test@@YAHUA@@@Z.catch"(i8*, i8*) { -; CHECK: entry: -; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1) -; CHECK: %eh.data = bitcast i8* %eh.alloc to %"struct.\01?test@@YAHUA@@@Z.ehdata"* -; CHECK: %eh.obj.ptr = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 1 -; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr -; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 2 -; CHECK: %eh.temp.alloca = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 3 -; CHECK: %.reload = load <{ %struct.A }>*, <{ %struct.A }>** %eh.temp.alloca -; CHECK: %retval = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 4 -; CHECK: %cleanup.dest.slot = getelementptr inbounds %"struct.\01?test@@YAHUA@@@Z.ehdata", %"struct.\01?test@@YAHUA@@@Z.ehdata"* %eh.data, i32 0, i32 5 -; CHECK: %a = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %.reload, i32 0, i32 0 -; CHECK: %a1 = getelementptr inbounds %struct.A, %struct.A* %a, i32 0, i32 0 -; CHECK: %tmp8 = load i32, i32* %a1, align 4 -; CHECK: %tmp9 = load i32, i32* %e, align 4 -; CHECK: %add = add nsw i32 %tmp8, %tmp9 -; CHECK: store i32 %add, i32* %retval -; CHECK: store i32 1, i32* %cleanup.dest.slot -; CHECK: ret i8* blockaddress(@"\01?test@@YAHUA@@@Z", %cleanup) -; CHECK: } - - -declare void @"\01?may_throw@@YAXXZ"() #0 - -declare i32 @__CxxFrameHandler3(...) - -; Function Attrs: nounwind readnone -declare i32 @llvm.eh.typeid.for(i8*) #1 - -declare void @llvm.eh.begincatch(i8*, i8*) - -declare void @llvm.eh.endcatch() - -; Function Attrs: nounwind -declare x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A*) #2 - -attributes #0 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #1 = { nounwind readnone } -attributes #2 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #3 = { nounwind } - -!llvm.ident = !{!0} - -!0 = !{!"clang version 3.7.0 (trunk 228868)"} diff --git a/test/CodeGen/X86/cppeh-min-unwind.ll b/test/CodeGen/X86/cppeh-min-unwind.ll deleted file mode 100644 index a7b97385e90..00000000000 --- a/test/CodeGen/X86/cppeh-min-unwind.ll +++ /dev/null @@ -1,92 +0,0 @@ -; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s - -; This test was generated from the following source: -; -; class SomeClass { -; public: -; SomeClass(); -; ~SomeClass(); -; }; -; -; void test() { -; SomeClass obj; -; may_throw(); -; } - - -; ModuleID = 'min-unwind.cpp' -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-pc-windows-msvc" - -; This structure should be created for the frame allocation. -; CHECK: %struct._Z4testv.ehdata = type { i32, i8*, %class.SomeClass } - -%class.SomeClass = type { [28 x i32] } - -; The function entry should be rewritten like this. -; CHECK: define void @_Z4testv() #0 { -; CHECK: entry: -; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 128) -; CHECK: %eh.data = bitcast i8* %frame.alloc to %struct._Z4testv.ehdata* -; CHECK-NOT: %obj = alloca %class.SomeClass, align 4 -; CHECK: %obj = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 - -; Function Attrs: uwtable -define void @_Z4testv() #0 { -entry: - %obj = alloca %class.SomeClass, align 4 - %exn.slot = alloca i8* - %ehselector.slot = alloca i32 - call void @_ZN9SomeClassC1Ev(%class.SomeClass* %obj) - invoke void @_Z9may_throwv() - to label %invoke.cont unwind label %lpad - -invoke.cont: ; preds = %entry - call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj) - ret void - -lpad: ; preds = %entry - %tmp = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) - cleanup - %tmp1 = extractvalue { i8*, i32 } %tmp, 0 - store i8* %tmp1, i8** %exn.slot - %tmp2 = extractvalue { i8*, i32 } %tmp, 1 - store i32 %tmp2, i32* %ehselector.slot - call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj) - br label %eh.resume - -eh.resume: ; preds = %lpad - %exn = load i8*, i8** %exn.slot - %sel = load i32, i32* %ehselector.slot - %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0 - %lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1 - resume { i8*, i32 } %lpad.val2 -} - -; This cleanup handler should be outlined. -; CHECK: define internal void @_Z4testv.cleanup(i8*, i8*) { -; CHECK: entry: -; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1) -; CHECK: %eh.data = bitcast i8* %eh.alloc to %struct._Z4testv.ehdata* -; CHECK: %obj = getelementptr inbounds %struct._Z4testv.ehdata, %struct._Z4testv.ehdata* %eh.data, i32 0, i32 2 -; CHECK: call void @_ZN9SomeClassD1Ev(%class.SomeClass* %obj) -; CHECK: ret void -; CHECK: } - -declare void @_ZN9SomeClassC1Ev(%class.SomeClass*) #1 - -declare void @_Z9may_throwv() #1 - -declare i32 @__CxxFrameHandler3(...) - -declare void @_ZN9SomeClassD1Ev(%class.SomeClass*) #1 - -attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #1 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #2 = { noinline noreturn nounwind } -attributes #3 = { noreturn nounwind } -attributes #4 = { nounwind } - -!llvm.ident = !{!0} - -!0 = !{!"clang version 3.7.0 (trunk 226027)"} diff --git a/test/CodeGen/X86/cppeh-nonalloca-frame-values.ll b/test/CodeGen/X86/cppeh-nonalloca-frame-values.ll deleted file mode 100644 index 1239f267bac..00000000000 --- a/test/CodeGen/X86/cppeh-nonalloca-frame-values.ll +++ /dev/null @@ -1,266 +0,0 @@ -; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s - -; This test is based on the following code: -; -; struct SomeData { -; int a; -; int b; -; }; -; -; void may_throw(); -; void does_not_throw(int i); -; void dump(int *, int, SomeData&); -; -; void test() { -; int NumExceptions = 0; -; int ExceptionVal[10]; -; SomeData Data = { 0, 0 }; -; -; for (int i = 0; i < 10; ++i) { -; try { -; may_throw(); -; Data.a += i; -; } -; catch (int e) { -; ExceptionVal[NumExceptions] = e; -; ++NumExceptions; -; if (e == i) -; Data.b += e; -; else -; Data.a += e; -; } -; does_not_throw(NumExceptions); -; } -; dump(ExceptionVal, NumExceptions, Data); -; } -; -; Unlike the cppeh-frame-vars.ll test, this test was generated using -O2 -; optimization, which results in non-alloca values being used in the -; catch handler. - -; ModuleID = 'cppeh-frame-vars.cpp' -target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" -target triple = "x86_64-pc-windows-msvc" - -%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } -%struct.SomeData = type { i32, i32 } - -$"\01??_R0H@8" = comdat any - -@"\01??_7type_info@@6B@" = external constant i8* -@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat - -; This structure should be declared for the frame allocation block. -; CHECK: %"struct.\01?test@@YAXXZ.ehdata" = type { i32, i8*, i32, i32, [10 x i32], i32, i32*, i32* } - -; The function entry should be rewritten like this. -; CHECK: define void @"\01?test@@YAXXZ"() #0 { -; CHECK: entry: -; CHECK: %frame.alloc = call i8* @llvm.frameallocate(i32 88) -; CHECK: %eh.data = bitcast i8* %frame.alloc to %"struct.\01?test@@YAXXZ.ehdata"* -; CHECK-NOT: %ExceptionVal = alloca [10 x i32], align 16 -; CHECK: %NumExceptions.020.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 -; CHECK: %i.019.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 -; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 -; CHECK: %Data = alloca i64, align 8 -; CHECK: %tmpcast = bitcast i64* %Data to %struct.SomeData* -; CHECK: %0 = bitcast [10 x i32]* %ExceptionVal to i8* -; CHECK: call void @llvm.lifetime.start(i64 40, i8* %0) #1 -; CHECK: store i64 0, i64* %Data, align 8 -; CHECK: %a.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 -; CHECK: %a = bitcast i64* %Data to i32* -; CHECK: store i32* %a, i32** %a.reg2mem -; CHECK: %b.reg2mem = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 7 -; CHECK: %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %tmpcast, i64 0, i32 1 -; CHECK: store i32* %b, i32** %b.reg2mem -; CHECK: store i32 0, i32* %NumExceptions.020.reg2mem -; CHECK: store i32 0, i32* %i.019.reg2mem -; CHECK: br label %for.body - -; Function Attrs: uwtable -define void @"\01?test@@YAXXZ"() #0 { -entry: - %e = alloca i32, align 4 - %ExceptionVal = alloca [10 x i32], align 16 - %Data = alloca i64, align 8 - %tmpcast = bitcast i64* %Data to %struct.SomeData* - %0 = bitcast [10 x i32]* %ExceptionVal to i8* - call void @llvm.lifetime.start(i64 40, i8* %0) #1 - store i64 0, i64* %Data, align 8 - %a = bitcast i64* %Data to i32* - %b = getelementptr inbounds %struct.SomeData, %struct.SomeData* %tmpcast, i64 0, i32 1 - br label %for.body - -; CHECK: for.body: -; CHECK-NOT: %NumExceptions.020 = phi i32 [ 0, %entry ], [ %NumExceptions.1, %try.cont ] -; CHECK-NOT: %i.019 = phi i32 [ 0, %entry ], [ %inc5, %try.cont ] -; CHECK: %i.019.reload = load i32, i32* %i.019.reg2mem -; CHECK: %NumExceptions.020.reload = load i32, i32* %NumExceptions.020.reg2mem -for.body: ; preds = %entry, %try.cont - %NumExceptions.020 = phi i32 [ 0, %entry ], [ %NumExceptions.1, %try.cont ] - %i.019 = phi i32 [ 0, %entry ], [ %inc5, %try.cont ] - invoke void @"\01?may_throw@@YAXXZ"() - to label %invoke.cont unwind label %lpad - -; CHECK: invoke.cont: ; preds = %for.body -; CHECK-NOT: %1 = load i32, i32* %a, align 8, !tbaa !2 -; CHECK-NOT: %add = add nsw i32 %1, %i.019 -; CHECK-NOT: store i32 %add, i32* %a, align 8, !tbaa !2 -; CHECK: %a.reload3 = load volatile i32*, i32** %a.reg2mem -; CHECK: %1 = load i32, i32* %a.reload3, align 8, !tbaa !2 -; CHECK: %add = add nsw i32 %1, %i.019.reload -; CHECK: %a.reload2 = load volatile i32*, i32** %a.reg2mem -; CHECK: store i32 %add, i32* %a.reload2, align 8, !tbaa !2 -; CHECK: br label %try.cont -invoke.cont: ; preds = %for.body - %1 = load i32, i32* %a, align 8, !tbaa !2 - %add = add nsw i32 %1, %i.019 - store i32 %add, i32* %a, align 8, !tbaa !2 - br label %try.cont - -lpad: ; preds = %for.body - %2 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) - catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) - %3 = extractvalue { i8*, i32 } %2, 1 - %4 = tail call i32 @llvm.eh.typeid.for(i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)) #1 - %matches = icmp eq i32 %3, %4 - br i1 %matches, label %catch, label %eh.resume - -catch: ; preds = %lpad - %5 = extractvalue { i8*, i32 } %2, 0 - %e.i8 = bitcast i32* %e to i8* - call void @llvm.eh.begincatch(i8* %5, i8* %e.i8) #1 - %tmp8 = load i32, i32* %e, align 4, !tbaa !7 - %idxprom = sext i32 %NumExceptions.020 to i64 - %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i64 0, i64 %idxprom - store i32 %tmp8, i32* %arrayidx, align 4, !tbaa !7 - %inc = add nsw i32 %NumExceptions.020, 1 - %cmp1 = icmp eq i32 %tmp8, %i.019 - br i1 %cmp1, label %if.then, label %if.else - -if.then: ; preds = %catch - %tmp9 = load i32, i32* %b, align 4, !tbaa !8 - %add2 = add nsw i32 %tmp9, %i.019 - store i32 %add2, i32* %b, align 4, !tbaa !8 - br label %if.end - -if.else: ; preds = %catch - %tmp10 = load i32, i32* %a, align 8, !tbaa !2 - %add4 = add nsw i32 %tmp10, %tmp8 - store i32 %add4, i32* %a, align 8, !tbaa !2 - br label %if.end - -if.end: ; preds = %if.else, %if.then - tail call void @llvm.eh.endcatch() #1 - br label %try.cont - -; CHECK: try.cont: ; preds = %if.end, %invoke.cont -; CHECK-NOT: %NumExceptions.1 = phi i32 [ %NumExceptions.020, %invoke.cont ], [ %inc, %if.end ] -; CHECK: %NumExceptions.1 = phi i32 [ %NumExceptions.020.reload, %invoke.cont ], [ %inc, %if.end ] -; CHECK: tail call void @"\01?does_not_throw@@YAXH@Z"(i32 %NumExceptions.1) -; CHECK-NOT: %inc5 = add nuw nsw i32 %i.019, 1 -; CHECK: %inc5 = add nuw nsw i32 %i.019.reload, 1 -; CHECK: %cmp = icmp slt i32 %inc5, 10 -; CHECK: store i32 %NumExceptions.1, i32* %NumExceptions.020.reg2mem -; CHECK: store i32 %inc5, i32* %i.019.reg2mem -; CHECK: br i1 %cmp, label %for.body, label %for.end - -try.cont: ; preds = %if.end, %invoke.cont - %NumExceptions.1 = phi i32 [ %NumExceptions.020, %invoke.cont ], [ %inc, %if.end ] - tail call void @"\01?does_not_throw@@YAXH@Z"(i32 %NumExceptions.1) - %inc5 = add nuw nsw i32 %i.019, 1 - %cmp = icmp slt i32 %inc5, 10 - br i1 %cmp, label %for.body, label %for.end - -for.end: ; preds = %try.cont - %NumExceptions.1.lcssa = phi i32 [ %NumExceptions.1, %try.cont ] - %arraydecay = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i64 0, i64 0 - call void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32* %arraydecay, i32 %NumExceptions.1.lcssa, %struct.SomeData* dereferenceable(8) %tmpcast) - call void @llvm.lifetime.end(i64 40, i8* %0) #1 - ret void - -eh.resume: ; preds = %lpad - %.lcssa = phi { i8*, i32 } [ %2, %lpad ] - resume { i8*, i32 } %.lcssa -} - -; The following catch handler should be outlined. -; CHECK: define internal i8* @"\01?test@@YAXXZ.catch"(i8*, i8*) { -; CHECK: entry: -; CHECK: %eh.alloc = call i8* @llvm.framerecover(i8* bitcast (void ()* @"\01?test@@YAXXZ" to i8*), i8* %1) -; CHECK: %eh.data = bitcast i8* %eh.alloc to %"struct.\01?test@@YAXXZ.ehdata"* -; CHECK: %eh.obj.ptr = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 1 -; CHECK: %eh.obj = load i8*, i8** %eh.obj.ptr -; CHECK: %e = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 2 -; CHECK: %eh.temp.alloca = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 3 -; CHECK: %NumExceptions.020.reload = load i32, i32* %eh.temp.alloca -; CHECK: %ExceptionVal = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 4 -; CHECK: %eh.temp.alloca1 = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 5 -; CHECK: %i.019.reload = load i32, i32* %eh.temp.alloca1 -; CHECK: %eh.temp.alloca2 = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 6 -; CHECK: %a.reload = load i32*, i32** %eh.temp.alloca2 -; CHECK: %eh.temp.alloca3 = getelementptr inbounds %"struct.\01?test@@YAXXZ.ehdata", %"struct.\01?test@@YAXXZ.ehdata"* %eh.data, i32 0, i32 7 -; CHECK: %b.reload = load i32*, i32** %eh.temp.alloca3 -; CHECK: %e.i8 = bitcast i32* %e to i8* -; CHECK: %tmp8 = load i32, i32* %e, align 4, !tbaa !7 -; CHECK: %idxprom = sext i32 %NumExceptions.020.reload to i64 -; CHECK: %arrayidx = getelementptr inbounds [10 x i32], [10 x i32]* %ExceptionVal, i64 0, i64 %idxprom -; CHECK: store i32 %tmp8, i32* %arrayidx, align 4, !tbaa !7 -; CHECK: %inc = add nsw i32 %NumExceptions.020.reload, 1 -; CHECK: %cmp1 = icmp eq i32 %tmp8, %i.019.reload -; CHECK: br i1 %cmp1, label %if.then, label %if.else -; -; CHECK: if.then: ; preds = %entry -; CHECK: %tmp9 = load i32, i32* %b.reload, align 4, !tbaa !8 -; CHECK: %add2 = add nsw i32 %tmp9, %i.019.reload -; CHECK: store i32 %add2, i32* %b.reload, align 4, !tbaa !8 -; CHECK: br label %if.end -; -; CHECK: if.else: ; preds = %entry -; CHECK: %tmp10 = load i32, i32* %a.reload, align 8, !tbaa !2 -; CHECK: %add4 = add nsw i32 %tmp10, %tmp8 -; CHECK: store i32 %add4, i32* %a.reload, align 8, !tbaa !2 -; CHECK: br label %if.end -; -; CHECK: if.end: ; preds = %if.else, %if.then -; CHECK: ret i8* blockaddress(@"\01?test@@YAXXZ", %try.cont) -; CHECK: } - -; Function Attrs: nounwind -declare void @llvm.lifetime.start(i64, i8* nocapture) #1 - -declare void @"\01?may_throw@@YAXXZ"() #2 - -declare i32 @__CxxFrameHandler3(...) - -; Function Attrs: nounwind readnone -declare i32 @llvm.eh.typeid.for(i8*) #3 - -declare void @llvm.eh.begincatch(i8*, i8*) - -declare void @llvm.eh.endcatch() - -declare void @"\01?does_not_throw@@YAXH@Z"(i32) #2 - -declare void @"\01?dump@@YAXPEAHHAEAUSomeData@@@Z"(i32*, i32, %struct.SomeData* dereferenceable(8)) #2 - -; Function Attrs: nounwind -declare void @llvm.lifetime.end(i64, i8* nocapture) #1 - -attributes #0 = { uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #1 = { nounwind } -attributes #2 = { "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } -attributes #3 = { nounwind readnone } - -!llvm.module.flags = !{!0} -!llvm.ident = !{!1} - -!0 = !{i32 1, !"PIC Level", i32 2} -!1 = !{!"clang version 3.7.0 (trunk 228868)"} -!2 = !{!3, !4, i64 0} -!3 = !{!"?AUSomeData@@", !4, i64 0, !4, i64 4} -!4 = !{!"int", !5, i64 0} -!5 = !{!"omnipotent char", !6, i64 0} -!6 = !{!"Simple C/C++ TBAA"} -!7 = !{!4, !4, i64 0} -!8 = !{!3, !4, i64 4}