diff options
| author | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-05-06 22:51:12 +0000 |
|---|---|---|
| committer | Duncan P. N. Exon Smith <dexonsmith@apple.com> | 2015-05-06 22:51:12 +0000 |
| commit | 538ef562bd3212f3638f7f03638c456924dc4adc (patch) | |
| tree | 7f5a0a5e224bd58fbfdfc6a0e3ad2026e89f5012 /llvm | |
| parent | 27483915e8dd94301f8154a225973931e31f201e (diff) | |
| download | bcm5719-llvm-538ef562bd3212f3638f7f03638c456924dc4adc.tar.gz bcm5719-llvm-538ef562bd3212f3638f7f03638c456924dc4adc.zip | |
Bitcode: Set LastDL after writing DebugLocs
Somehow I dropped this in r233585, and we haven't had `DEBUG_LOC_AGAIN`
records since. Add it back. Also tests that the output assembly looks
okay.
Fixes PR23436.
llvm-svn: 236661
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Bitcode/Writer/BitcodeWriter.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/Bitcode/debug-loc-again.ll | 36 |
2 files changed, 38 insertions, 0 deletions
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 85a6da33a6e..199663d1bfd 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -2135,6 +2135,8 @@ static void WriteFunction(const Function &F, ValueEnumerator &VE, Vals.push_back(VE.getMetadataOrNullID(DL->getInlinedAt())); Stream.EmitRecord(bitc::FUNC_CODE_DEBUG_LOC, Vals); Vals.clear(); + + LastDL = DL; } // Emit names for all the instructions etc. diff --git a/llvm/test/Bitcode/debug-loc-again.ll b/llvm/test/Bitcode/debug-loc-again.ll new file mode 100644 index 00000000000..6dbea16121a --- /dev/null +++ b/llvm/test/Bitcode/debug-loc-again.ll @@ -0,0 +1,36 @@ +; RUN: llvm-as < %s | llvm-bcanalyzer -dump | FileCheck %s -check-prefix=BC +; PR23436: Actually emit DEBUG_LOC_AGAIN records. + +; BC: <DEBUG_LOC op +; BC: <DEBUG_LOC_AGAIN/> +; BC: <DEBUG_LOC op +; BC: <DEBUG_LOC_AGAIN/> + +; RUN: llvm-as < %s | llvm-dis | FileCheck %s +; RUN: verify-uselistorder %s +; Check that this round-trips correctly. + +define void @foo() { +entry: + %a = add i32 0, 0, !dbg !3 + %b = add i32 0, 1, !dbg !3 + %c = add i32 0, 2, !dbg !4 + ret void, !dbg !4 +} + +; CHECK-LABEL: entry: +; CHECK-NEXT: %a = add i32 0, 0, !dbg ![[LINE1:[0-9]+]] +; CHECK-NEXT: %b = add i32 0, 1, !dbg ![[LINE1]] +; CHECK-NEXT: %c = add i32 0, 2, !dbg ![[LINE2:[0-9]+]] +; CHECK-NEXT: ret void, !dbg ![[LINE2]] +; CHECK: ![[LINE1]] = !DILocation(line: 1, +; CHECK: ![[LINE2]] = !DILocation(line: 2, + +!llvm.module.flags = !{!0} + +!0 = !{i32 2, !"Debug Info Version", i32 3} +!1 = !DICompileUnit(language: DW_LANG_C99, file: !DIFile(filename: "f", directory: "/d"), + subprograms: !{!2}) +!2 = !DISubprogram(name: "foo") +!3 = !DILocation(line: 1, scope: !2) +!4 = !DILocation(line: 2, scope: !2) |
