llvm/test/CodeGen/WinEH/cppeh-inalloca.ll - toolchain/llvm-project - Gitiles

 ; 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:   [[TMP_REGMEM:\%.+]] = alloca <{ %struct.A }>*
 ; CHECK:   [[TMP:\%.+]] = select i1 true, <{ %struct.A }>* %0, <{ %struct.A }>* undef
 ; CHECK:   store <{ %struct.A }>* [[TMP]], <{ %struct.A }>** [[TMP_REGMEM]]
 ; CHECK:   [[RETVAL:\%.+]] = alloca i32, align 4
 ; CHECK:   [[E_PTR:\%.+]] = alloca i32, align 4
 ; CHECK:   [[CLEANUP_SLOT:\%.+]] = alloca i32
 ; CHECK:   call void (...)* @llvm.frameescape(i32* %e, <{ %struct.A }>** [[TMP_REGMEM]], i32* [[RETVAL]], i32* [[CLEANUP_SLOT]])
 ; CHECK:   invoke void @"\01?may_throw@@YAXXZ"()
 ; CHECK:           to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]

 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

 ; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
 ; CHECK:   landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
 ; CHECK-NEXT:           cleanup
 ; CHECK-NEXT:           catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
 ; CHECK-NEXT:   [[RECOVER:\%recover.*]] = call i8* (...)* @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*), i32* %e, i8* (i8*, i8*)* @"\01?test@@YAHUA@@@Z.catch", i32 0, void (i8*, i8*)* @"\01?test@@YAHUA@@@Z.cleanup")
 ; CHECK-NEXT:   indirectbr i8* [[RECOVER]], [label %cleanup]

 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

 ; CHECK-NOT: 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

 ; CHECK-NOT: catch:

 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 = %[[LPAD_LABEL]], %try.cont
 ; CHECK-NOT:  %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0
 ; CHECK:   [[TMP_RELOAD:\%.+]] = load volatile <{ %struct.A }>*, <{ %struct.A }>** [[TMP_REGMEM]]
 ; CHECK:   [[A2:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD]], i32 0, i32 0
 ; CHECK:   call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* [[A2]])
 ; CHECK:   [[TMP1:\%.+]] = load i32, i32* [[RETVAL]]
 ; CHECK:   ret i32 [[TMP1]]

 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

 ; CHECK-NOT: ehcleanup:

 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

 ; CHECK-NOT: 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

 ; CHECK: }
 }

 ; The following catch handler should be outlined.
 ; CHECK: define internal i8* @"\01?test@@YAHUA@@@Z.catch"(i8*, i8*) {
 ; CHECK: entry:
 ; CHECK:   [[RECOVER_E:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 0)
 ; CHECK:   [[E_PTR:\%.+]] = bitcast i8* [[RECOVER_E]] to i32*
 ; CHECK:   [[RECOVER_EH_TEMP:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 1)
 ; CHECK:   [[EH_TEMP:\%.+]] = bitcast i8* [[RECOVER_EH_TEMP]] to <{ %struct.A }>**
 ; CHECK:   [[TMP_RELOAD:\%.+]] = load <{ %struct.A }>*, <{ %struct.A }>** [[EH_TEMP]]
 ; CHECK:   [[RECOVER_RETVAL:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 2)
 ; CHECK:   [[RETVAL1:\%.+]] = bitcast i8* [[RECOVER_RETVAL]] to i32*
 ; CHECK:   [[RECOVER_CLEANUPSLOT:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 3)
 ; CHECK:   [[CLEANUPSLOT1:\%.+]] = bitcast i8* [[RECOVER_CLEANUPSLOT]] to i32*
 ; CHECK:   [[E_I8PTR:\%.+]] = bitcast i32* [[E_PTR]] to i8*
 ; CHECK:   [[RECOVER_A:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD]], i32 0, i32 0
 ; CHECK:   [[A1:\%.+]] = getelementptr inbounds %struct.A, %struct.A* [[RECOVER_A]], i32 0, i32 0
 ; CHECK:   [[TMP2:\%.+]] = load i32, i32* [[A1]], align 4
 ; CHECK:   [[TMP3:\%.+]] = load i32, i32* [[E_PTR]], align 4
 ; CHECK:   [[ADD:\%.+]] = add nsw i32 [[TMP2]], [[TMP3]]
 ; CHECK:   store i32 [[ADD]], i32* [[RETVAL1]]
 ; CHECK:   store i32 1, i32* [[CLEANUPSLOT1]]
 ; CHECK:   ret i8* blockaddress(@"\01?test@@YAHUA@@@Z", %cleanup)
 ; CHECK: }

 ; The following cleanup handler should be outlined.
 ; CHECK: define internal void @"\01?test@@YAHUA@@@Z.cleanup"(i8*, i8*) {
 ; CHECK: entry:
 ; CHECK:   [[RECOVER_EH_TEMP1:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>*)* @"\01?test@@YAHUA@@@Z" to i8*), i8* %1, i32 1)
 ; CHECK:   [[EH_TEMP1:\%.+]] = bitcast i8* [[RECOVER_EH_TEMP]] to <{ %struct.A }>**
 ; CHECK:   [[TMP_RELOAD1:\%.+]] = load <{ %struct.A }>*, <{ %struct.A }>** [[EH_TEMP1]]
 ; CHECK:   [[A3:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD1]], i32 0, i32 0
 ; CHECK:   call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* [[A3]])
 ; CHECK:   ret void
 ; 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)"}
	; 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: [[TMP_REGMEM:\%.+]] = alloca <{ %struct.A }>*
	; CHECK: [[TMP:\%.+]] = select i1 true, <{ %struct.A }>* %0, <{ %struct.A }>* undef
	; CHECK: store <{ %struct.A }>* [[TMP]], <{ %struct.A }>** [[TMP_REGMEM]]
	; CHECK: [[RETVAL:\%.+]] = alloca i32, align 4
	; CHECK: [[E_PTR:\%.+]] = alloca i32, align 4
	; CHECK: [[CLEANUP_SLOT:\%.+]] = alloca i32
	; CHECK: call void (...)* @llvm.frameescape(i32* %e, <{ %struct.A }>** [[TMP_REGMEM]], i32* [[RETVAL]], i32* [[CLEANUP_SLOT]])
	; CHECK: invoke void @"\01?may_throw@@YAXXZ"()
	; CHECK: to label %invoke.cont unwind label %[[LPAD_LABEL:lpad[0-9]*]]

	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

	; CHECK: [[LPAD_LABEL]]:{{[ ]+}}; preds = %entry
	; CHECK: landingpad { i8, i32 } personality i8 bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
	; CHECK-NEXT: cleanup
	; CHECK-NEXT: catch i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*)
	; CHECK-NEXT: [[RECOVER:\%recover.]] = call i8 (...)* @llvm.eh.actions(i32 1, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8), i32 %e, i8* (i8, i8)* @"\01?test@@YAHUA@@@Z.catch", i32 0, void (i8, i8)* @"\01?test@@YAHUA@@@Z.cleanup")
	; CHECK-NEXT: indirectbr i8* [[RECOVER]], [label %cleanup]

	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

	; CHECK-NOT: 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

	; CHECK-NOT: catch:

	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 = %[[LPAD_LABEL]], %try.cont
	; CHECK-NOT: %a2 = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* %0, i32 0, i32 0
	; CHECK: [[TMP_RELOAD:\%.+]] = load volatile <{ %struct.A }>, <{ %struct.A }>* [[TMP_REGMEM]]
	; CHECK: [[A2:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD]], i32 0, i32 0
	; CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* [[A2]])
	; CHECK: [[TMP1:\%.+]] = load i32, i32* [[RETVAL]]
	; CHECK: ret i32 [[TMP1]]

	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

	; CHECK-NOT: ehcleanup:

	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

	; CHECK-NOT: 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

	; CHECK: }
	}

	; The following catch handler should be outlined.
	; CHECK: define internal i8* @"\01?test@@YAHUA@@@Z.catch"(i8, i8) {
	; CHECK: entry:
	; CHECK: [[RECOVER_E:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>) @"\01?test@@YAHUA@@@Z" to i8), i8 %1, i32 0)
	; CHECK: [[E_PTR:\%.+]] = bitcast i8* [[RECOVER_E]] to i32*
	; CHECK: [[RECOVER_EH_TEMP:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>) @"\01?test@@YAHUA@@@Z" to i8), i8 %1, i32 1)
	; CHECK: [[EH_TEMP:\%.+]] = bitcast i8* [[RECOVER_EH_TEMP]] to <{ %struct.A }>**
	; CHECK: [[TMP_RELOAD:\%.+]] = load <{ %struct.A }>, <{ %struct.A }>* [[EH_TEMP]]
	; CHECK: [[RECOVER_RETVAL:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>) @"\01?test@@YAHUA@@@Z" to i8), i8 %1, i32 2)
	; CHECK: [[RETVAL1:\%.+]] = bitcast i8* [[RECOVER_RETVAL]] to i32*
	; CHECK: [[RECOVER_CLEANUPSLOT:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>) @"\01?test@@YAHUA@@@Z" to i8), i8 %1, i32 3)
	; CHECK: [[CLEANUPSLOT1:\%.+]] = bitcast i8* [[RECOVER_CLEANUPSLOT]] to i32*
	; CHECK: [[E_I8PTR:\%.+]] = bitcast i32* [[E_PTR]] to i8*
	; CHECK: [[RECOVER_A:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD]], i32 0, i32 0
	; CHECK: [[A1:\%.+]] = getelementptr inbounds %struct.A, %struct.A* [[RECOVER_A]], i32 0, i32 0
	; CHECK: [[TMP2:\%.+]] = load i32, i32* [[A1]], align 4
	; CHECK: [[TMP3:\%.+]] = load i32, i32* [[E_PTR]], align 4
	; CHECK: [[ADD:\%.+]] = add nsw i32 [[TMP2]], [[TMP3]]
	; CHECK: store i32 [[ADD]], i32* [[RETVAL1]]
	; CHECK: store i32 1, i32* [[CLEANUPSLOT1]]
	; CHECK: ret i8* blockaddress(@"\01?test@@YAHUA@@@Z", %cleanup)
	; CHECK: }

	; The following cleanup handler should be outlined.
	; CHECK: define internal void @"\01?test@@YAHUA@@@Z.cleanup"(i8, i8) {
	; CHECK: entry:
	; CHECK: [[RECOVER_EH_TEMP1:\%.+]] = call i8* @llvm.framerecover(i8* bitcast (i32 (<{ %struct.A }>) @"\01?test@@YAHUA@@@Z" to i8), i8 %1, i32 1)
	; CHECK: [[EH_TEMP1:\%.+]] = bitcast i8* [[RECOVER_EH_TEMP]] to <{ %struct.A }>**
	; CHECK: [[TMP_RELOAD1:\%.+]] = load <{ %struct.A }>, <{ %struct.A }>* [[EH_TEMP1]]
	; CHECK: [[A3:\%.+]] = getelementptr inbounds <{ %struct.A }>, <{ %struct.A }>* [[TMP_RELOAD1]], i32 0, i32 0
	; CHECK: call x86_thiscallcc void @"\01??1A@@QAE@XZ"(%struct.A* [[A3]])
	; CHECK: ret void
	; 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)"}