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; RUN: llc < %s | FileCheck %s
; Verify that we get the right frame escape label when the catch comes after the
; parent function.
; This test case is equivalent to:
; int main() {
; try {
; throw 42;
; } catch (int e) {
; printf("e: %d\n", e);
; }
; }
target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-windows-msvc"
%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] }
%eh.CatchableType = type { i32, i32, i32, i32, i32, i32, i32 }
%eh.CatchableTypeArray.1 = type { i32, [1 x i32] }
%eh.ThrowInfo = type { i32, i32, i32, i32 }
%eh.CatchHandlerType = type { i32, i8* }
$"\01??_R0H@8" = comdat any
$"_CT??_R0H@84" = comdat any
$_CTA1H = comdat any
$_TI1H = comdat any
$"\01??_C@_06PNOAJMHG@e?3?5?$CFd?6?$AA@" = comdat any
@"\01??_7type_info@@6B@" = external constant i8*
@"\01??_R0H@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".H\00" }, comdat
@__ImageBase = external constant i8
@"_CT??_R0H@84" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 4, i32 0 }, section ".xdata", comdat
@_CTA1H = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0H@84" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat
@_TI1H = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1H to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat
@llvm.eh.handlertype.H.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0H@8" to i8*) }, section "llvm.metadata"
@"\01??_C@_06PNOAJMHG@e?3?5?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [7 x i8] c"e: %d\0A\00", comdat, align 1
declare void @_CxxThrowException(i8*, %eh.ThrowInfo*)
; Function Attrs: uwtable
define i32 @main() #1 {
entry:
%tmp.i = alloca i32, align 4
%e = alloca i32, align 4
%0 = bitcast i32* %tmp.i to i8*
store i32 42, i32* %tmp.i, align 4, !tbaa !2
call void (...) @llvm.frameescape(i32* %e)
invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #6
to label %.noexc unwind label %lpad1
.noexc: ; preds = %entry
unreachable
lpad1: ; preds = %entry
%1 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0
%recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 0, i8* (i8*, i8*)* @main.catch)
indirectbr i8* %recover, [label %try.cont.split]
try.cont.split: ; preds = %lpad1
ret i32 0
}
; CHECK-LABEL: main:
; CHECK: .seh_handlerdata
; CHECK: .long ($cppxdata$main)@IMGREL
declare i32 @__CxxFrameHandler3(...)
; Function Attrs: nounwind readnone
declare i32 @llvm.eh.typeid.for(i8*) #2
; Function Attrs: nounwind
declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3
; Function Attrs: nounwind
declare i32 @printf(i8* nocapture readonly, ...) #4
; Function Attrs: nounwind
declare void @llvm.eh.endcatch() #3
; Function Attrs: nounwind
declare void @llvm.lifetime.start(i64, i8* nocapture) #3
; Function Attrs: nounwind
declare i8* @llvm.eh.actions(...) #3
define internal i8* @main.catch(i8*, i8*) #5 {
entry:
%e.i8 = call i8* @llvm.framerecover(i8* bitcast (i32 ()* @main to i8*), i8* %1, i32 0)
%e = bitcast i8* %e.i8 to i32*
%2 = bitcast i32* %e to i8*
%3 = load i32, i32* %e, align 4, !tbaa !2
%call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @"\01??_C@_06PNOAJMHG@e?3?5?$CFd?6?$AA@", i64 0, i64 0), i32 %3)
invoke void @llvm.donothing()
to label %entry.split unwind label %stub
entry.split: ; preds = %entry
ret i8* blockaddress(@main, %try.cont.split)
stub: ; preds = %entry
%4 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*)
cleanup
unreachable
}
; CHECK-LABEL: main.catch:
; CHECK: .seh_handlerdata
; CHECK: .long ($cppxdata$main)@IMGREL
; CHECK-NEXT: $cppxdata$main:
; CHECK-NEXT: .long 429065506
; CHECK-NEXT: .long 2
; CHECK-NEXT: .long ($stateUnwindMap$main)@IMGREL
; CHECK-NEXT: .long 1
; CHECK-NEXT: .long ($tryMap$main)@IMGREL
; CHECK-NEXT: .long 1
; CHECK-NEXT: .long ($ip2state$main)@IMGREL
; CHECK-NEXT: .long 40
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long 1
; Make sure we get the right frame escape label.
; CHECK: $handlerMap$0$main:
; CHECK-NEXT: .long 0
; CHECK-NEXT: .long "??_R0H@8"@IMGREL
; CHECK-NEXT: .long .Lmain$frame_escape_0
; CHECK-NEXT: .long main.catch@IMGREL
; CHECK-NEXT: .long .Lmain.catch$parent_frame_offset
; Function Attrs: nounwind readnone
declare void @llvm.donothing() #2
; Function Attrs: nounwind
declare void @llvm.frameescape(...) #3
; Function Attrs: nounwind readnone
declare i8* @llvm.framerecover(i8*, i8*, i32) #2
attributes #0 = { noreturn 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" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #1 = { 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" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" "wineh-parent"="main" }
attributes #2 = { nounwind readnone }
attributes #3 = { nounwind }
attributes #4 = { nounwind "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "unsafe-fp-math"="false" "use-soft-float"="false" }
attributes #5 = { "wineh-parent"="main" }
attributes #6 = { noreturn }
!llvm.module.flags = !{!0}
!llvm.ident = !{!1}
!0 = !{i32 1, !"PIC Level", i32 2}
!1 = !{!"clang version 3.7.0 "}
!2 = !{!3, !3, i64 0}
!3 = !{!"int", !4, i64 0}
!4 = !{!"omnipotent char", !5, i64 0}
!5 = !{!"Simple C/C++ TBAA"}
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