diff options
Diffstat (limited to 'llvm/test/CodeGen')
| -rw-r--r-- | llvm/test/CodeGen/X86/catchpad-reuse.ll | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/X86/catchpad-reuse.ll b/llvm/test/CodeGen/X86/catchpad-reuse.ll new file mode 100644 index 00000000000..4a72b895f30 --- /dev/null +++ b/llvm/test/CodeGen/X86/catchpad-reuse.ll @@ -0,0 +1,107 @@ +; RUN: llc < %s | FileCheck %s + +; IR generated by the following C++ source with modifications to reuse the 'v' +; alloca between catchpads: +; extern "C" void maythrow(); +; int main() { +; try { +; try { +; maythrow(); +; } catch (int v) { +; maythrow(); +; } +; } catch (int v) { +; maythrow(); +; } +; return 0; +; } + +; CHECK: $cppxdata$main: +; CHECK-NEXT: .long 429065506 # MagicNumber +; CHECK-NEXT: .long 4 # MaxState +; CHECK-NEXT: .long ($stateUnwindMap$main)@IMGREL # UnwindMap +; CHECK-NEXT: .long 2 # NumTryBlocks +; CHECK-NEXT: .long ($tryMap$main)@IMGREL # TryBlockMap +; CHECK-NEXT: .long 5 # IPMapEntries +; CHECK-NEXT: .long ($ip2state$main)@IMGREL # IPToStateXData +; CHECK-NEXT: .long 32 # UnwindHelp +; CHECK-NEXT: .long 0 # ESTypeList +; CHECK-NEXT: .long 1 # EHFlags + +; CHECK: $tryMap$main: +; CHECK-NEXT: .long 1 # TryLow +; CHECK-NEXT: .long 1 # TryHigh +; CHECK-NEXT: .long 2 # CatchHigh +; CHECK-NEXT: .long 1 # NumCatches +; CHECK-NEXT: .long ($handlerMap$0$main)@IMGREL # HandlerArray +; CHECK-NEXT: .long 0 # TryLow +; CHECK-NEXT: .long 2 # TryHigh +; CHECK-NEXT: .long 3 # CatchHigh +; CHECK-NEXT: .long 1 # NumCatches +; CHECK-NEXT: .long ($handlerMap$1$main)@IMGREL # HandlerArray + +; CHECK: $handlerMap$0$main: +; CHECK-NEXT: .long 0 # Adjectives +; CHECK-NEXT: .long "??_R0H@8"@IMGREL # Type +; CHECK-NEXT: .long [[v_offset:[0-9]+]] # CatchObjOffset +; CHECK-NEXT: .long "?catch$2@?0?main@4HA"@IMGREL # Handler +; CHECK-NEXT: .long {{.*}} # ParentFrameOffset + +; CHECK: $handlerMap$1$main: +; CHECK-NEXT: .long 0 # Adjectives +; CHECK-NEXT: .long "??_R0H@8"@IMGREL # Type +; CHECK-NEXT: .long [[v_offset]] # CatchObjOffset +; CHECK-NEXT: .long "?catch$4@?0?main@4HA"@IMGREL # Handler +; CHECK-NEXT: .long {{.*}} # ParentFrameOffset + +; ModuleID = 't.cpp' +source_filename = "t.cpp" +target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-pc-windows-msvc19.0.24210" + +%rtti.TypeDescriptor2 = type { i8**, i8*, [3 x i8] } + +$"\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 + +; Function Attrs: norecurse uwtable +define i32 @main() local_unnamed_addr personality i32 (...)* @__CxxFrameHandler3 { +entry: + %v = alloca i32, align 4 + invoke void @maythrow() + to label %try.cont6 unwind label %catch.dispatch + +catch.dispatch: ; preds = %entry + %0 = catchswitch within none [label %catch] unwind label %catch.dispatch2 + +catch: ; preds = %catch.dispatch + %1 = catchpad within %0 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %v] + invoke void @maythrow() [ "funclet"(token %1) ] + to label %invoke.cont1 unwind label %catch.dispatch2 + +catch.dispatch2: ; preds = %catch, %catch.dispatch + %2 = catchswitch within none [label %catch3] unwind to caller + +catch3: ; preds = %catch.dispatch2 + %3 = catchpad within %2 [%rtti.TypeDescriptor2* @"\01??_R0H@8", i32 0, i32* %v] + call void @maythrow() [ "funclet"(token %3) ] + catchret from %3 to label %try.cont6 + +try.cont6: ; preds = %entry, %invoke.cont1, %catch3 + ret i32 0 + +invoke.cont1: ; preds = %catch + catchret from %1 to label %try.cont6 +} + +declare void @maythrow() local_unnamed_addr #1 + +declare i32 @__CxxFrameHandler3(...) + +!llvm.module.flags = !{!0} +!llvm.ident = !{!1} + +!0 = !{i32 1, !"PIC Level", i32 2} +!1 = !{!"clang version 4.0.0 "} |
