| ; 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?$AA@" = linkonce_odr unnamed_addr constant [7 x i8] c"e: %d\0A\00", comdat, align 1 |
| |
| declare void @_CxxThrowException(i8*, %eh.ThrowInfo*) |
| |
| ; Function Attrs: uwtable |
| define i32 @main() #1 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { |
| entry: |
| %tmp.i = alloca i32, align 4 |
| %e = alloca i32, align 4 |
| %0 = bitcast i32* %tmp.i to i8* |
| store i32 42, i32* %tmp.i, align 4, !tbaa !2 |
| call void (...) @llvm.localescape(i32* %e) |
| invoke void @_CxxThrowException(i8* %0, %eh.ThrowInfo* @_TI1H) #6 |
| to label %.noexc unwind label %lpad1 |
| |
| .noexc: ; preds = %entry |
| unreachable |
| |
| lpad1: ; preds = %entry |
| %1 = landingpad { i8*, i32 } |
| catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0 |
| %recover = call i8* (...) @llvm.eh.actions(i32 1, i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*), i32 0, i8* (i8*, i8*)* @main.catch) |
| indirectbr i8* %recover, [label %try.cont.split] |
| |
| try.cont.split: ; preds = %lpad1 |
| ret i32 0 |
| } |
| |
| ; CHECK-LABEL: main: |
| ; CHECK: .seh_handlerdata |
| ; CHECK: .long ($cppxdata$main)@IMGREL |
| |
| declare i32 @__CxxFrameHandler3(...) |
| |
| ; Function Attrs: nounwind readnone |
| declare i32 @llvm.eh.typeid.for(i8*) #2 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #3 |
| |
| ; Function Attrs: nounwind |
| declare i32 @printf(i8* nocapture readonly, ...) #4 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.eh.endcatch() #3 |
| |
| ; Function Attrs: nounwind |
| declare void @llvm.lifetime.start(i64, i8* nocapture) #3 |
| |
| ; Function Attrs: nounwind |
| declare i8* @llvm.eh.actions(...) #3 |
| |
| define internal i8* @main.catch(i8*, i8*) #5 personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) { |
| entry: |
| %e.i8 = call i8* @llvm.localrecover(i8* bitcast (i32 ()* @main to i8*), i8* %1, i32 0) |
| %e = bitcast i8* %e.i8 to i32* |
| %2 = bitcast i32* %e to i8* |
| %3 = load i32, i32* %e, align 4, !tbaa !2 |
| %call = call i32 (i8*, ...) @printf(i8* getelementptr inbounds ([7 x i8], [7 x i8]* @"\01??_C@_06PNOAJMHG@e?3?5?$CFd?6?$AA@", i64 0, i64 0), i32 %3) |
| invoke void @llvm.donothing() |
| to label %entry.split unwind label %stub |
| |
| entry.split: ; preds = %entry |
| ret i8* blockaddress(@main, %try.cont.split) |
| |
| stub: ; preds = %entry |
| %4 = landingpad { i8*, i32 } |
| cleanup |
| %recover = call i8* (...) @llvm.eh.actions() |
| unreachable |
| } |
| |
| ; CHECK-LABEL: main.catch: |
| ; CHECK: .seh_handlerdata |
| ; CHECK: .long ($cppxdata$main)@IMGREL |
| |
| ; CHECK: .align 4 |
| ; 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 3 |
| ; 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.localescape(...) #3 |
| |
| ; Function Attrs: nounwind readnone |
| declare i8* @llvm.localrecover(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"} |
| |
