[WinEH] Add some test cases I forgot to add to previous commits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241510 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/WinEH/cppeh-catch-all-win32.ll b/test/CodeGen/WinEH/cppeh-catch-all-win32.ll
new file mode 100644 (file)
index 0000000..b2e84b9
--- /dev/null
+++ b/test/CodeGen/WinEH/cppeh-catch-all-win32.ll
@@ -0,0 +1,86 @@
+; RUN: opt -winehprepare -S -o - < %s | FileCheck %s
+
+; This test is based on the following code:
+;
+; extern "C" void may_throw();
+; extern "C" void handle_exception();
+; extern "C" void test() {
+;   try {
+;     may_throw();
+;   } catch (...) {
+;     handle_exception();
+;   }
+; }
+
+target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
+target triple = "i686-pc-windows-msvc"
+
+; The function entry in this case remains unchanged.
+; CHECK: define void @test()
+; CHECK: entry:
+; CHECK:   invoke void @may_throw()
+; CHECK:           to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]
+
+define void @test() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) {
+entry:
+  %exn.slot = alloca i8*
+  %ehselector.slot = alloca i32
+  invoke void @may_throw()
+          to label %invoke.cont unwind label %lpad
+
+invoke.cont:                                      ; preds = %entry
+  br label %try.cont
+
+; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
+; CHECK:   landingpad { i8*, i32 }
+; CHECK-NEXT:           catch i8* null
+; CHECK-NEXT:   [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* null, i32 -1, i8* ()* @test.catch)
+; CHECK-NEXT:   indirectbr i8* [[RECOVER]], [label %try.cont]
+
+lpad:                                             ; preds = %entry
+  %0 = landingpad { i8*, i32 }
+          catch i8* null
+  %1 = extractvalue { i8*, i32 } %0, 0
+  store i8* %1, i8** %exn.slot
+  %2 = extractvalue { i8*, i32 } %0, 1
+  store i32 %2, i32* %ehselector.slot
+  br label %catch
+
+; CHECK-NOT: catch:
+; CHECK-NOT: @handle_exception()
+
+catch:                                            ; preds = %lpad
+  %exn = load i8*, i8** %exn.slot
+  call void @llvm.eh.begincatch(i8* %exn, i8* null) #1
+  call void @handle_exception()
+  call void @llvm.eh.endcatch() #1
+  br label %try.cont
+
+try.cont:                                         ; preds = %catch, %invoke.cont
+  ret void
+
+; CHECK: }
+}
+
+; CHECK: define internal i8* @test.catch()
+; CHECK:   call i8* @llvm.frameaddress(i32 1)
+; CHECK:   call i8* @llvm.x86.seh.recoverfp(i8* bitcast (void ()* @test to i8*), i8* %{{.*}})
+; CHECK:   call void @handle_exception()
+; CHECK:   ret i8* blockaddress(@test, %try.cont)
+; CHECK: }
+
+
+declare void @may_throw() #0
+
+declare i32 @__CxxFrameHandler3(...)
+
+; Function Attrs: nounwind
+declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #1
+
+declare void @handle_exception() #0
+
+; Function Attrs: nounwind
+declare void @llvm.eh.endcatch() #1
+
+attributes #0 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { nounwind }

diff --git a/test/CodeGen/WinEH/seh-outlined-finally-win32.ll b/test/CodeGen/WinEH/seh-outlined-finally-win32.ll
new file mode 100644 (file)
index 0000000..3649433
--- /dev/null
+++ b/test/CodeGen/WinEH/seh-outlined-finally-win32.ll
@@ -0,0 +1,172 @@
+; RUN: opt -S -winehprepare < %s | FileCheck %s
+
+; Test case based on this code:
+;
+; extern "C" int _abnormal_termination();
+; #pragma intrinsic(_abnormal_termination)
+; extern "C" int printf(const char *, ...);
+; extern "C" void may_crash() {
+;   *(volatile int *)0 = 42;
+; }
+; int main() {
+;   int myres = 0;
+;   __try {
+;     __try {
+;       may_crash();
+;     } __finally {
+;       printf("inner finally %d\n", _abnormal_termination());
+;       may_crash();
+;     }
+;   } __finally {
+;     printf("outer finally %d\n", _abnormal_termination());
+;   }
+; }
+;
+; Note that if the inner finally crashes, the outer finally still runs. There
+; is nothing like a std::terminate call in this situation.
+
+target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
+target triple = "i686-pc-windows-msvc"
+
+$"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@" = comdat any
+
+$"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@" = comdat any
+
+@"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [18 x i8] c"outer finally %d\0A\00", comdat, align 1
+@"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [18 x i8] c"inner finally %d\0A\00", comdat, align 1
+
+; Function Attrs: nounwind
+define void @may_crash() #0 {
+entry:
+  store volatile i32 42, i32* null, align 4
+  ret void
+}
+
+; Function Attrs: nounwind
+define i32 @main() #0 personality i8* bitcast (i32 (...)* @_except_handler3 to i8*) {
+entry:
+  %myres = alloca i32, align 4
+  %exn.slot = alloca i8*
+  %ehselector.slot = alloca i32
+  store i32 0, i32* %myres, align 4
+  invoke void @may_crash() #4
+          to label %invoke.cont unwind label %lpad
+
+invoke.cont:                                      ; preds = %entry
+  %0 = call i8* @llvm.frameaddress(i32 0)
+  invoke void @"\01?fin$1@0@main@@"(i8 zeroext 0, i8* %0) #4
+          to label %invoke.cont.2 unwind label %lpad.1
+
+invoke.cont.2:                                    ; preds = %invoke.cont
+  %1 = call i8* @llvm.frameaddress(i32 0)
+  call void @"\01?fin$0@0@main@@"(i8 zeroext 0, i8* %1)
+  ret i32 0
+
+lpad:                                             ; preds = %entry
+  %2 = landingpad { i8*, i32 }
+          cleanup
+  %3 = extractvalue { i8*, i32 } %2, 0
+  store i8* %3, i8** %exn.slot
+  %4 = extractvalue { i8*, i32 } %2, 1
+  store i32 %4, i32* %ehselector.slot
+  %5 = call i8* @llvm.frameaddress(i32 0)
+  invoke void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %5) #4
+          to label %invoke.cont.3 unwind label %lpad.1
+
+lpad.1:                                           ; preds = %lpad, %invoke.cont
+  %6 = landingpad { i8*, i32 }
+          cleanup
+  %7 = extractvalue { i8*, i32 } %6, 0
+  store i8* %7, i8** %exn.slot
+  %8 = extractvalue { i8*, i32 } %6, 1
+  store i32 %8, i32* %ehselector.slot
+  br label %ehcleanup
+
+invoke.cont.3:                                    ; preds = %lpad
+  br label %ehcleanup
+
+ehcleanup:                                        ; preds = %invoke.cont.3, %lpad.1
+  %9 = call i8* @llvm.frameaddress(i32 0)
+  call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %9)
+  br label %eh.resume
+
+eh.resume:                                        ; preds = %ehcleanup
+  %exn = load i8*, i8** %exn.slot
+  %sel = load i32, i32* %ehselector.slot
+  %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0
+  %lpad.val.4 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1
+  resume { i8*, i32 } %lpad.val.4
+}
+
+; CHECK-LABEL: define i32 @main()
+; CHECK: invoke void @may_crash()
+;
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: cleanup
+; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup)
+; CHECK-NEXT: indirectbr
+;
+; CHECK: landingpad { i8*, i32 }
+; CHECK-NEXT: cleanup
+; CHECK-NEXT: call i8* (...) @llvm.eh.actions(i32 0, void ()* @main.cleanup.1)
+; CHECK-NEXT: indirectbr
+
+; CHECK-LABEL: define internal void @main.cleanup()
+; CHECK: call i8* @llvm.frameaddress(i32 1)
+; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
+; CHECK: call void @"\01?fin$1@0@main@@"(i8 zeroext 1, i8* %{{.*}})
+; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
+
+; CHECK-LABEL: define internal void @main.cleanup.1()
+; CHECK: call i8* @llvm.frameaddress(i32 1)
+; CHECK: call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %{{.*}})
+; CHECK: call void @"\01?fin$0@0@main@@"(i8 zeroext 1, i8* %{{.*}})
+
+; Function Attrs: noinline nounwind
+define internal void @"\01?fin$0@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
+entry:
+  %frame_pointer.addr = alloca i8*, align 4
+  %abnormal_termination.addr = alloca i8, align 1
+  %0 = call i8* @llvm.frameaddress(i32 1)
+  %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
+  store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
+  store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
+  %2 = zext i8 %abnormal_termination to i32
+  %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@LHHILCPN@outer?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
+  ret void
+}
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.frameaddress(i32) #2
+
+; Function Attrs: nounwind readnone
+declare i8* @llvm.x86.seh.recoverfp(i8*, i8*) #2
+
+declare i32 @printf(i8*, ...) #3
+
+; Function Attrs: noinline nounwind
+define internal void @"\01?fin$1@0@main@@"(i8 zeroext %abnormal_termination, i8* %frame_pointer) #1 {
+entry:
+  %frame_pointer.addr = alloca i8*, align 4
+  %abnormal_termination.addr = alloca i8, align 1
+  %0 = call i8* @llvm.frameaddress(i32 1)
+  %1 = call i8* @llvm.x86.seh.recoverfp(i8* bitcast (i32 ()* @main to i8*), i8* %0)
+  store i8* %frame_pointer, i8** %frame_pointer.addr, align 4
+  store i8 %abnormal_termination, i8* %abnormal_termination.addr, align 1
+  %2 = zext i8 %abnormal_termination to i32
+  %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([18 x i8], [18 x i8]* @"\01??_C@_0BC@JELAHKN@inner?5finally?5?$CFd?6?$AA@", i32 0, i32 0), i32 %2)
+  call void @may_crash()
+  ret void
+}
+
+declare i32 @_except_handler3(...)
+
+attributes #0 = { nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #1 = { noinline nounwind "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #2 = { nounwind readnone }
+attributes #3 = { "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "no-realign-stack" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
+attributes #4 = { noinline }
+
+!llvm.ident = !{!0}
+
+!0 = !{!"clang version 3.7.0 "}