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| author | Joseph Tremoulet <jotrem@microsoft.com> | 2015-10-07 19:29:56 +0000 |
|---|---|---|
| committer | Joseph Tremoulet <jotrem@microsoft.com> | 2015-10-07 19:29:56 +0000 |
| commit | 39234fc67e3fbb4320e9000af8f2e0b0bed79d3f (patch) | |
| tree | 72b29e8fb09d2df6d0afb5c4a9da38a341176bfc /llvm/test/CodeGen/WinEH/wineh-cloning.ll | |
| parent | 15ef5e174b2189231d837576e450b626e5bf730d (diff) | |
| download | bcm5719-llvm-39234fc67e3fbb4320e9000af8f2e0b0bed79d3f.tar.gz bcm5719-llvm-39234fc67e3fbb4320e9000af8f2e0b0bed79d3f.zip | |
[WinEH] Set NoModuleLevelChanges in clone flags
Summary:
This is necessary to keep the cloner from making bogus copies of debug
metadata attached to the IR it is cloning.
Also, avoid running RemapInstruction over all instructions in the common
case that no cloning was performed.
Reviewers: rnk, andrew.w.kaylor, majnemer
Subscribers: llvm-commits
Differential Revision: http://reviews.llvm.org/D13514
llvm-svn: 249591
Diffstat (limited to 'llvm/test/CodeGen/WinEH/wineh-cloning.ll')
| -rw-r--r-- | llvm/test/CodeGen/WinEH/wineh-cloning.ll | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/test/CodeGen/WinEH/wineh-cloning.ll b/llvm/test/CodeGen/WinEH/wineh-cloning.ll index 1ed71ef8375..72bbeaf55f7 100644 --- a/llvm/test/CodeGen/WinEH/wineh-cloning.ll +++ b/llvm/test/CodeGen/WinEH/wineh-cloning.ll @@ -452,3 +452,44 @@ exit: ; CHECK: %inner = cleanuppad [] ; CHECK-NEXT: call void @f() ; CHECK-NEXT: unreachable + +define void @test12() personality i32 (...)* @__CxxFrameHandler3 { +entry: + invoke void @f() + to label %cont unwind label %left, !dbg !8 +cont: + invoke void @f() + to label %exit unwind label %right +left: + cleanuppad [] + br label %join +right: + cleanuppad [] + br label %join +join: + ; This call will get cloned; make sure we can handle cloning + ; instructions with debug metadata attached. + call void @f(), !dbg !9 + unreachable +exit: + ret void +} + +; Make sure the DISubprogram doesn't get cloned +; CHECK-LABEL: !llvm.module.flags +; CHECK-NOT: !DISubprogram +; CHECK: !{{[0-9]+}} = distinct !DISubprogram(name: "test12" +; CHECK-NOT: !DISubprogram +!llvm.module.flags = !{!0} +!llvm.dbg.cu = !{!1} + +!0 = !{i32 2, !"Debug Info Version", i32 3} +!1 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "compiler", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !3, subprograms: !4) +!2 = !DIFile(filename: "test.cpp", directory: ".") +!3 = !{} +!4 = !{!5} +!5 = distinct !DISubprogram(name: "test12", scope: !2, file: !2, type: !6, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, function: void ()* @test12, variables: !3) +!6 = !DISubroutineType(types: !7) +!7 = !{null} +!8 = !DILocation(line: 1, scope: !5) +!9 = !DILocation(line: 2, scope: !5) |
