; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s ; This test is based on the following code: ; ; class Inner { ; public: ; Inner(); ; ~Inner(); ; }; ; class Outer { ; public: ; Outer(); ; ~Outer(); ; }; ; void test() { ; try { ; Outer outer; ; try { ; Inner inner; ; may_throw(); ; } catch (int i) { ; handle_int(i); ; } ; } catch (float f) { ; handle_float(f); ; } ; done(); ; } ; ModuleID = 'nested-2.cpp' target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-pc-windows-msvc" %class.Outer = type { i8 } %class.Inner = type { i8 } @_ZTIf = external constant i8* @_ZTIi = external constant i8* ; The function entry should be rewritten like this. ; CHECK: define void @_Z4testv() ; CHECK: entry: ; CHECK: %outer = alloca %class.Outer, align 1 ; CHECK: %inner = alloca %class.Inner, align 1 ; CHECK: %i = alloca i32, align 4 ; CHECK: %f = alloca float, align 4 ; CHECK: call void (...) @llvm.frameescape(float* %f, i32* %i, %class.Outer* %outer, %class.Inner* %inner) ; CHECK: invoke void @_ZN5OuterC1Ev(%class.Outer* %outer) ; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]] ; Function Attrs: uwtable define void @_Z4testv() #0 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { entry: %outer = alloca %class.Outer, align 1 %exn.slot = alloca i8* %ehselector.slot = alloca i32 %inner = alloca %class.Inner, align 1 %i = alloca i32, align 4 %f = alloca float, align 4 invoke void @_ZN5OuterC1Ev(%class.Outer* %outer) to label %invoke.cont unwind label %lpad ; CHECK: invoke.cont: ; CHECK: invoke void @_ZN5InnerC1Ev(%class.Inner* %inner) ; CHECK: to label %invoke.cont2 unwind label %[[LPAD1_LABEL:lpad[0-9]*]] invoke.cont: ; preds = %entry invoke void @_ZN5InnerC1Ev(%class.Inner* %inner) to label %invoke.cont2 unwind label %lpad1 ; CHECK: invoke.cont2: ; CHECK: invoke void @_Z9may_throwv() ; CHECK: to label %invoke.cont4 unwind label %[[LPAD3_LABEL:lpad[0-9]*]] invoke.cont2: ; preds = %invoke.cont invoke void @_Z9may_throwv() to label %invoke.cont4 unwind label %lpad3 ; CHECK: invoke.cont4: ; CHECK: invoke void @_ZN5InnerD1Ev(%class.Inner* %inner) ; CHECK: to label %invoke.cont5 unwind label %[[LPAD1_LABEL]] invoke.cont4: ; preds = %invoke.cont2 invoke void @_ZN5InnerD1Ev(%class.Inner* %inner) to label %invoke.cont5 unwind label %lpad1 ; CHECK: invoke.cont5: ; CHECK: br label %try.cont invoke.cont5: ; preds = %invoke.cont4 br label %try.cont ; CHECK: [[LPAD_LABEL]]: ; CHECK: landingpad { i8*, i32 } ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*) ; CHECK-NEXT: [[RECOVER:\%.+]] = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch) ; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %try.cont19] lpad: ; preds = %try.cont, %entry %tmp = landingpad { i8*, i32 } catch i8* bitcast (i8** @_ZTIf 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.dispatch11 ; CHECK: [[LPAD1_LABEL]]: ; CHECK: landingpad { i8*, i32 } ; CHECK-NEXT: cleanup ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*) ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*) ; CHECK-NEXT: [[RECOVER1:\%.+]] = call i8* (...) @llvm.eh.actions( ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIi to i8*), i32 1, i8* (i8*, i8*)* @_Z4testv.catch.1, ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup, ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch) ; CHECK-NEXT: indirectbr i8* [[RECOVER1]], [label %try.cont, label %try.cont19] lpad1: ; preds = %invoke.cont4, %invoke.cont %tmp3 = landingpad { i8*, i32 } cleanup catch i8* bitcast (i8** @_ZTIi to i8*) catch i8* bitcast (i8** @_ZTIf to i8*) %tmp4 = extractvalue { i8*, i32 } %tmp3, 0 store i8* %tmp4, i8** %exn.slot %tmp5 = extractvalue { i8*, i32 } %tmp3, 1 store i32 %tmp5, i32* %ehselector.slot br label %catch.dispatch ; CHECK: [[LPAD3_LABEL]]: ; CHECK: landingpad { i8*, i32 } ; CHECK-NEXT: cleanup ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIi to i8*) ; CHECK-NEXT: catch i8* bitcast (i8** @_ZTIf to i8*) ; CHECK-NEXT: [[RECOVER3:\%.+]] = call i8* (...) @llvm.eh.actions( ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup.2, ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIi to i8*), i32 1, i8* (i8*, i8*)* @_Z4testv.catch.1, ; CHECK-SAME: i32 0, void (i8*, i8*)* @_Z4testv.cleanup, ; CHECK-SAME: i32 1, i8* bitcast (i8** @_ZTIf to i8*), i32 0, i8* (i8*, i8*)* @_Z4testv.catch) ; CHECK-NEXT: indirectbr i8* [[RECOVER3]], [label %try.cont, label %try.cont19] lpad3: ; preds = %invoke.cont2 %tmp6 = landingpad { i8*, i32 } cleanup catch i8* bitcast (i8** @_ZTIi to i8*) catch i8* bitcast (i8** @_ZTIf to i8*) %tmp7 = extractvalue { i8*, i32 } %tmp6, 0 store i8* %tmp7, i8** %exn.slot %tmp8 = extractvalue { i8*, i32 } %tmp6, 1 store i32 %tmp8, i32* %ehselector.slot call void @_ZN5InnerD1Ev(%class.Inner* %inner) br label %catch.dispatch ; CHECK-NOT: catch.dispatch: catch.dispatch: ; preds = %lpad3, %lpad1 %sel = load i32, i32* %ehselector.slot %tmp9 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIi to i8*)) #4 %matches = icmp eq i32 %sel, %tmp9 br i1 %matches, label %catch, label %ehcleanup ; CHECK-NOT: catch: catch: ; preds = %catch.dispatch %exn = load i8*, i8** %exn.slot %i.i8 = bitcast i32* %i to i8* call void @llvm.eh.begincatch(i8* %exn, i8* %i.i8) #4 %tmp13 = load i32, i32* %i, align 4 invoke void @_Z10handle_inti(i32 %tmp13) to label %invoke.cont8 unwind label %lpad7 ; CHECK-NOT: invoke.cont8: invoke.cont8: ; preds = %catch call void @llvm.eh.endcatch() #4 br label %try.cont ; CHECK: try.cont: ; CHECK: invoke void @_ZN5OuterD1Ev(%class.Outer* %outer) ; CHECK: to label %invoke.cont9 unwind label %[[LPAD_LABEL]] try.cont: ; preds = %invoke.cont8, %invoke.cont5 invoke void @_ZN5OuterD1Ev(%class.Outer* %outer) to label %invoke.cont9 unwind label %lpad invoke.cont9: ; preds = %try.cont br label %try.cont19 ; CHECK-NOT: lpad7: lpad7: ; preds = %catch %tmp14 = landingpad { i8*, i32 } cleanup catch i8* bitcast (i8** @_ZTIf to i8*) %tmp15 = extractvalue { i8*, i32 } %tmp14, 0 store i8* %tmp15, i8** %exn.slot %tmp16 = extractvalue { i8*, i32 } %tmp14, 1 store i32 %tmp16, i32* %ehselector.slot call void @llvm.eh.endcatch() #4 br label %ehcleanup ; CHECK-NOT: ehcleanup: ; preds = %lpad7, %catch.dispatch ehcleanup: ; preds = %lpad7, %catch.dispatch call void @_ZN5OuterD1Ev(%class.Outer* %outer) br label %catch.dispatch11 ; CHECK-NOT: catch.dispatch11: catch.dispatch11: ; preds = %ehcleanup, %lpad %sel12 = load i32, i32* %ehselector.slot %tmp17 = call i32 @llvm.eh.typeid.for(i8* bitcast (i8** @_ZTIf to i8*)) #4 %matches13 = icmp eq i32 %sel12, %tmp17 br i1 %matches13, label %catch14, label %eh.resume ; CHECK-NOT: catch14: catch14: ; preds = %catch.dispatch11 %exn15 = load i8*, i8** %exn.slot %f.i8 = bitcast float* %f to i8* call void @llvm.eh.begincatch(i8* %exn15, i8* %f.i8) #4 %tmp21 = load float, float* %f, align 4 call void @_Z12handle_floatf(float %tmp21) call void @llvm.eh.endcatch() #4 br label %try.cont19 try.cont19: ; preds = %catch14, %invoke.cont9 call void @_Z4donev() ret void ; CHECK-NOT: eh.resume: eh.resume: ; preds = %catch.dispatch11 %exn20 = load i8*, i8** %exn.slot %sel21 = load i32, i32* %ehselector.slot %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn20, 0 %lpad.val22 = insertvalue { i8*, i32 } %lpad.val, i32 %sel21, 1 resume { i8*, i32 } %lpad.val22 ; CHECK: } } ; This catch handler should be outlined. ; CHECK: define internal i8* @_Z4testv.catch(i8*, i8*) ; CHECK: entry: ; CHECK: [[RECOVER_F:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 0) ; CHECK: [[F_PTR:\%.+]] = bitcast i8* [[RECOVER_F]] to float* ; CHECK: [[TMP:\%.+]] = load float, float* [[F_PTR]], align 4 ; CHECK: call void @_Z12handle_floatf(float [[TMP]]) ; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont19) ; CHECK: } ; This catch handler should be outlined. ; CHECK: define internal i8* @_Z4testv.catch.1(i8*, i8*) ; CHECK: entry: ; CHECK: [[RECOVER_I:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 1) ; CHECK: [[I_PTR:\%.+]] = bitcast i8* [[RECOVER_I]] to i32* ; CHECK: [[TMP1:\%.+]] = load i32, i32* [[I_PTR]], align 4 ; CHECK: invoke void @_Z10handle_inti(i32 [[TMP1]]) ; CHECK: to label %invoke.cont8 unwind label %[[LPAD7_LABEL:lpad[0-9]*]] ; ; CHECK: invoke.cont8: ; preds = %entry ; CHECK: ret i8* blockaddress(@_Z4testv, %try.cont) ; ; CHECK: [[LPAD7_LABEL]]:{{[ ]+}}; preds = %entry ; CHECK: [[LPAD7_VAL:\%.+]] = landingpad { i8*, i32 } ; (FIXME) The nested handler body isn't being populated yet. ; CHECK: } ; This cleanup handler should be outlined. ; CHECK: define internal void @_Z4testv.cleanup(i8*, i8*) ; CHECK: entry: ; CHECK: [[RECOVER_OUTER:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 2) ; CHECK: [[OUTER_PTR:\%.+]] = bitcast i8* [[RECOVER_OUTER]] to %class.Outer* ; CHECK: call void @_ZN5OuterD1Ev(%class.Outer* [[OUTER_PTR]]) ; CHECK: ret void ; CHECK: } ; This cleanup handler should be outlined. ; CHECK: define internal void @_Z4testv.cleanup.2(i8*, i8*) ; CHECK: entry: ; CHECK: [[RECOVER_INNER:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (void ()* @_Z4testv to i8*), i8* %1, i32 3) ; CHECK: [[INNER_PTR:\%.+]] = bitcast i8* [[RECOVER_INNER]] to %class.Inner* ; CHECK: call void @_ZN5InnerD1Ev(%class.Inner* [[INNER_PTR]]) ; CHECK: ret void ; CHECK: } declare void @_ZN5OuterC1Ev(%class.Outer*) #1 declare i32 @__CxxFrameHandler3(...) declare void @_ZN5InnerC1Ev(%class.Inner*) #1 declare void @_Z9may_throwv() #1 declare void @_ZN5InnerD1Ev(%class.Inner*) #1 declare void @llvm.eh.begincatch(i8*, i8*) ; Function Attrs: nounwind readnone declare i32 @llvm.eh.typeid.for(i8*) #3 declare void @_Z10handle_inti(i32) #1 declare void @llvm.eh.endcatch() declare void @_ZN5OuterD1Ev(%class.Outer*) #1 declare void @_Z12handle_floatf(float) #1 declare void @_Z4donev() #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 = { nounwind readnone } attributes #4 = { nounwind } attributes #5 = { noreturn nounwind } !llvm.ident = !{!0} !0 = !{!"clang version 3.7.0 (trunk 226027)"}