diff options
Diffstat (limited to 'test/CodeGen/WinEH/cppeh-similar-catch-blocks.ll')
| -rw-r--r-- | test/CodeGen/WinEH/cppeh-similar-catch-blocks.ll | 394 |
1 files changed, 394 insertions, 0 deletions
diff --git a/test/CodeGen/WinEH/cppeh-similar-catch-blocks.ll b/test/CodeGen/WinEH/cppeh-similar-catch-blocks.ll new file mode 100644 index 0000000000000..81ee4542062d3 --- /dev/null +++ b/test/CodeGen/WinEH/cppeh-similar-catch-blocks.ll @@ -0,0 +1,394 @@ +; RUN: opt -mtriple=x86_64-pc-windows-msvc -winehprepare -S -o - < %s | FileCheck %s + +; This test is based on the following code: +; +; int main(void) { +; try { +; try { +; throw 'a'; +; } catch (char c) { +; printf("%c\n", c); +; } +; throw 1; +; } catch(int x) { +; printf("%d\n", x); +; } catch(...) { +; printf("...\n"); +; } +; try { +; try { +; throw 'b'; +; } catch (char c) { +; printf("%c\n", c); +; } +; throw 2; +; } catch(int x) { +; printf("%d\n", x); +; } catch (char c) { +; printf("%c\n", c); +; } catch(...) { +; printf("...\n"); +; } +; return 0; +; } + +; This test is just checking for failures in processing the IR. +; Extensive handler matching is not required. + +; ModuleID = 'cppeh-similar-catch-blocks.cpp' +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.CatchHandlerType = type { i32, 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 } + +$"\01??_R0H@8" = comdat any + +$"\01??_R0D@8" = comdat any + +$"_CT??_R0D@81" = comdat any + +$_CTA1D = comdat any + +$_TI1D = comdat any + +$"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@" = comdat any + +$"_CT??_R0H@84" = comdat any + +$_CTA1H = comdat any + +$_TI1H = comdat any + +$"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@" = comdat any + +$"\01??_C@_03PMGGPEJJ@?$CFd?6?$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 +@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??_R0D@8" = linkonce_odr global %rtti.TypeDescriptor2 { i8** @"\01??_7type_info@@6B@", i8* null, [3 x i8] c".D\00" }, comdat +@llvm.eh.handlertype.D.0 = private unnamed_addr constant %eh.CatchHandlerType { i32 0, i8* bitcast (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i8*) }, section "llvm.metadata" +@__ImageBase = external constant i8 +@"_CT??_R0D@81" = linkonce_odr unnamed_addr constant %eh.CatchableType { i32 1, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%rtti.TypeDescriptor2* @"\01??_R0D@8" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32), i32 0, i32 -1, i32 0, i32 1, i32 0 }, section ".xdata", comdat +@_CTA1D = linkonce_odr unnamed_addr constant %eh.CatchableTypeArray.1 { i32 1, [1 x i32] [i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableType* @"_CT??_R0D@81" to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32)] }, section ".xdata", comdat +@_TI1D = linkonce_odr unnamed_addr constant %eh.ThrowInfo { i32 0, i32 0, i32 0, i32 trunc (i64 sub nuw nsw (i64 ptrtoint (%eh.CatchableTypeArray.1* @_CTA1D to i64), i64 ptrtoint (i8* @__ImageBase to i64)) to i32) }, section ".xdata", comdat +@"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@" = linkonce_odr unnamed_addr constant [4 x i8] c"%c\0A\00", comdat, align 1 +@"_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 +@"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@" = linkonce_odr unnamed_addr constant [5 x i8] c"...\0A\00", comdat, align 1 +@"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@" = linkonce_odr unnamed_addr constant [4 x i8] c"%d\0A\00", comdat, align 1 + +; This is just a minimal check to verify that main was handled by WinEHPrepare. +; CHECK: define i32 @main() +; CHECK: entry: +; CHECK: call void (...) @llvm.frameescape(i32* [[X_PTR:\%.+]], i32* [[X2_PTR:\%.+]], i8* [[C2_PTR:\%.+]], i8* [[C3_PTR:\%.+]], i8* [[C_PTR:\%.+]]) +; CHECK: invoke void @_CxxThrowException +; CHECK: } + +; Function Attrs: uwtable +define i32 @main() #0 { +entry: + %retval = alloca i32, align 4 + %tmp = alloca i8, align 1 + %exn.slot = alloca i8* + %ehselector.slot = alloca i32 + %c = alloca i8, align 1 + %tmp3 = alloca i32, align 4 + %x = alloca i32, align 4 + %tmp20 = alloca i8, align 1 + %c28 = alloca i8, align 1 + %tmp34 = alloca i32, align 4 + %c48 = alloca i8, align 1 + %x56 = alloca i32, align 4 + store i32 0, i32* %retval + store i8 97, i8* %tmp + invoke void @_CxxThrowException(i8* %tmp, %eh.ThrowInfo* @_TI1D) #4 + to label %unreachable unwind label %lpad + +lpad: ; preds = %entry + %0 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch %eh.CatchHandlerType* @llvm.eh.handlertype.D.0 + catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0 + catch i8* null + %1 = extractvalue { i8*, i32 } %0, 0 + store i8* %1, i8** %exn.slot + %2 = extractvalue { i8*, i32 } %0, 1 + store i32 %2, i32* %ehselector.slot + br label %catch.dispatch + +catch.dispatch: ; preds = %lpad + %sel = load i32, i32* %ehselector.slot + %3 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2 + %matches = icmp eq i32 %sel, %3 + br i1 %matches, label %catch, label %catch.dispatch5 + +catch: ; preds = %catch.dispatch + %exn = load i8*, i8** %exn.slot + call void @llvm.eh.begincatch(i8* %exn, i8* %c) #2 + %4 = load i8, i8* %c, align 1 + %conv = sext i8 %4 to i32 + %call = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv) + to label %invoke.cont unwind label %lpad2 + +invoke.cont: ; preds = %catch + call void @llvm.eh.endcatch() #2 + br label %try.cont + +try.cont: ; preds = %invoke.cont + store i32 1, i32* %tmp3 + %5 = bitcast i32* %tmp3 to i8* + invoke void @_CxxThrowException(i8* %5, %eh.ThrowInfo* @_TI1H) #4 + to label %unreachable unwind label %lpad4 + +lpad2: ; preds = %catch + %6 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0 + catch i8* null + %7 = extractvalue { i8*, i32 } %6, 0 + store i8* %7, i8** %exn.slot + %8 = extractvalue { i8*, i32 } %6, 1 + store i32 %8, i32* %ehselector.slot + call void @llvm.eh.endcatch() #2 + br label %catch.dispatch5 + +lpad4: ; preds = %try.cont + %9 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch %eh.CatchHandlerType* @llvm.eh.handlertype.H.0 + catch i8* null + %10 = extractvalue { i8*, i32 } %9, 0 + store i8* %10, i8** %exn.slot + %11 = extractvalue { i8*, i32 } %9, 1 + store i32 %11, i32* %ehselector.slot + br label %catch.dispatch5 + +catch.dispatch5: ; preds = %lpad4, %lpad2, %catch.dispatch + %sel6 = load i32, i32* %ehselector.slot + %12 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)) #2 + %matches7 = icmp eq i32 %sel6, %12 + br i1 %matches7, label %catch13, label %catch8 + +catch13: ; preds = %catch.dispatch5 + %exn14 = load i8*, i8** %exn.slot + %13 = bitcast i32* %x to i8* + call void @llvm.eh.begincatch(i8* %exn14, i8* %13) #2 + %14 = load i32, i32* %x, align 4 + %call18 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@", i32 0, i32 0), i32 %14) + to label %invoke.cont17 unwind label %lpad16 + +invoke.cont17: ; preds = %catch13 + call void @llvm.eh.endcatch() #2 + br label %try.cont19 + +try.cont19: ; preds = %invoke.cont17, %invoke.cont11 + store i8 98, i8* %tmp20 + invoke void @_CxxThrowException(i8* %tmp20, %eh.ThrowInfo* @_TI1D) #4 + to label %unreachable unwind label %lpad21 + +catch8: ; preds = %catch.dispatch5 + %exn9 = load i8*, i8** %exn.slot + call void @llvm.eh.begincatch(i8* %exn9, i8* null) #2 + %call12 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@", i32 0, i32 0)) + to label %invoke.cont11 unwind label %lpad10 + +invoke.cont11: ; preds = %catch8 + call void @llvm.eh.endcatch() #2 + br label %try.cont19 + +lpad10: ; preds = %catch8 + %15 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + cleanup + %16 = extractvalue { i8*, i32 } %15, 0 + store i8* %16, i8** %exn.slot + %17 = extractvalue { i8*, i32 } %15, 1 + store i32 %17, i32* %ehselector.slot + call void @llvm.eh.endcatch() #2 + br label %eh.resume + +lpad16: ; preds = %catch13 + %18 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + cleanup + %19 = extractvalue { i8*, i32 } %18, 0 + store i8* %19, i8** %exn.slot + %20 = extractvalue { i8*, i32 } %18, 1 + store i32 %20, i32* %ehselector.slot + call void @llvm.eh.endcatch() #2 + br label %eh.resume + +lpad21: ; preds = %try.cont19 + %21 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*) + catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*) + catch i8* null + %22 = extractvalue { i8*, i32 } %21, 0 + store i8* %22, i8** %exn.slot + %23 = extractvalue { i8*, i32 } %21, 1 + store i32 %23, i32* %ehselector.slot + br label %catch.dispatch22 + +catch.dispatch22: ; preds = %lpad21 + %sel23 = load i32, i32* %ehselector.slot + %24 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2 + %matches24 = icmp eq i32 %sel23, %24 + br i1 %matches24, label %catch25, label %catch.dispatch36 + +catch25: ; preds = %catch.dispatch22 + %exn26 = load i8*, i8** %exn.slot + call void @llvm.eh.begincatch(i8* %exn26, i8* %c28) #2 + %25 = load i8, i8* %c28, align 1 + %conv29 = sext i8 %25 to i32 + %call32 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv29) + to label %invoke.cont31 unwind label %lpad30 + +invoke.cont31: ; preds = %catch25 + call void @llvm.eh.endcatch() #2 + br label %try.cont33 + +try.cont33: ; preds = %invoke.cont31 + store i32 2, i32* %tmp34 + %26 = bitcast i32* %tmp34 to i8* + invoke void @_CxxThrowException(i8* %26, %eh.ThrowInfo* @_TI1H) #4 + to label %unreachable unwind label %lpad35 + +lpad30: ; preds = %catch25 + %27 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*) + catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*) + catch i8* null + %28 = extractvalue { i8*, i32 } %27, 0 + store i8* %28, i8** %exn.slot + %29 = extractvalue { i8*, i32 } %27, 1 + store i32 %29, i32* %ehselector.slot + call void @llvm.eh.endcatch() #2 + br label %catch.dispatch36 + +lpad35: ; preds = %try.cont33 + %30 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*) + catch i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*) + catch i8* null + %31 = extractvalue { i8*, i32 } %30, 0 + store i8* %31, i8** %exn.slot + %32 = extractvalue { i8*, i32 } %30, 1 + store i32 %32, i32* %ehselector.slot + br label %catch.dispatch36 + +catch.dispatch36: ; preds = %lpad35, %lpad30, %catch.dispatch22 + %sel37 = load i32, i32* %ehselector.slot + %33 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.H.0 to i8*)) #2 + %matches38 = icmp eq i32 %sel37, %33 + br i1 %matches38, label %catch53, label %catch.fallthrough + +catch53: ; preds = %catch.dispatch36 + %exn54 = load i8*, i8** %exn.slot + %34 = bitcast i32* %x56 to i8* + call void @llvm.eh.begincatch(i8* %exn54, i8* %34) #2 + %35 = load i32, i32* %x56, align 4 + %call59 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PMGGPEJJ@?$CFd?6?$AA@", i32 0, i32 0), i32 %35) + to label %invoke.cont58 unwind label %lpad57 + +invoke.cont58: ; preds = %catch53 + call void @llvm.eh.endcatch() #2 + br label %try.cont60 + +try.cont60: ; preds = %invoke.cont58, %invoke.cont51, %invoke.cont43 + ret i32 0 + +catch.fallthrough: ; preds = %catch.dispatch36 + %36 = call i32 @llvm.eh.typeid.for(i8* bitcast (%eh.CatchHandlerType* @llvm.eh.handlertype.D.0 to i8*)) #2 + %matches39 = icmp eq i32 %sel37, %36 + br i1 %matches39, label %catch45, label %catch40 + +catch45: ; preds = %catch.fallthrough + %exn46 = load i8*, i8** %exn.slot + call void @llvm.eh.begincatch(i8* %exn46, i8* %c48) #2 + %37 = load i8, i8* %c48, align 1 + %conv49 = sext i8 %37 to i32 + %call52 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([4 x i8], [4 x i8]* @"\01??_C@_03PJCJOCBM@?$CFc?6?$AA@", i32 0, i32 0), i32 %conv49) + to label %invoke.cont51 unwind label %lpad50 + +invoke.cont51: ; preds = %catch45 + call void @llvm.eh.endcatch() #2 + br label %try.cont60 + +catch40: ; preds = %catch.fallthrough + %exn41 = load i8*, i8** %exn.slot + call void @llvm.eh.begincatch(i8* %exn41, i8* null) #2 + %call44 = invoke i32 (i8*, ...) @printf(i8* getelementptr inbounds ([5 x i8], [5 x i8]* @"\01??_C@_04MPPNMCOK@?4?4?4?6?$AA@", i32 0, i32 0)) + to label %invoke.cont43 unwind label %lpad42 + +invoke.cont43: ; preds = %catch40 + call void @llvm.eh.endcatch() #2 + br label %try.cont60 + +lpad42: ; preds = %catch40 + %38 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + cleanup + %39 = extractvalue { i8*, i32 } %38, 0 + store i8* %39, i8** %exn.slot + %40 = extractvalue { i8*, i32 } %38, 1 + store i32 %40, i32* %ehselector.slot + call void @llvm.eh.endcatch() #2 + br label %eh.resume + +lpad50: ; preds = %catch45 + %41 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + cleanup + %42 = extractvalue { i8*, i32 } %41, 0 + store i8* %42, i8** %exn.slot + %43 = extractvalue { i8*, i32 } %41, 1 + store i32 %43, i32* %ehselector.slot + call void @llvm.eh.endcatch() #2 + br label %eh.resume + +lpad57: ; preds = %catch53 + %44 = landingpad { i8*, i32 } personality i8* bitcast (i32 (...)* @__CxxFrameHandler3 to i8*) + cleanup + %45 = extractvalue { i8*, i32 } %44, 0 + store i8* %45, i8** %exn.slot + %46 = extractvalue { i8*, i32 } %44, 1 + store i32 %46, i32* %ehselector.slot + call void @llvm.eh.endcatch() #2 + br label %eh.resume + +eh.resume: ; preds = %lpad57, %lpad50, %lpad42, %lpad16, %lpad10 + %exn61 = load i8*, i8** %exn.slot + %sel62 = load i32, i32* %ehselector.slot + %lpad.val = insertvalue { i8*, i32 } undef, i8* %exn61, 0 + %lpad.val63 = insertvalue { i8*, i32 } %lpad.val, i32 %sel62, 1 + resume { i8*, i32 } %lpad.val63 + +unreachable: ; preds = %try.cont33, %try.cont19, %try.cont, %entry + unreachable +} + +declare void @_CxxThrowException(i8*, %eh.ThrowInfo*) + +declare i32 @__CxxFrameHandler3(...) + +; Function Attrs: nounwind readnone +declare i32 @llvm.eh.typeid.for(i8*) #1 + +; Function Attrs: nounwind +declare void @llvm.eh.begincatch(i8* nocapture, i8* nocapture) #2 + +declare i32 @printf(i8*, ...) #3 + +; Function Attrs: nounwind +declare void @llvm.eh.endcatch() #2 + +attributes #0 = { 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 = { nounwind readnone } +attributes #2 = { nounwind } +attributes #3 = { "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 #4 = { noreturn } + +!llvm.module.flags = !{!0} +!llvm.ident = !{!1} + +!0 = !{i32 1, !"PIC Level", i32 2} +!1 = !{!"clang version 3.7.0 (trunk 235214) (llvm/trunk 235213)"} |