diff options
| -rw-r--r-- | llvm/lib/IR/DebugInfo.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/Transforms/StripSymbols/strip-cov.ll | 20 |
2 files changed, 25 insertions, 1 deletions
diff --git a/llvm/lib/IR/DebugInfo.cpp b/llvm/lib/IR/DebugInfo.cpp index 80f97b3e049..be00387682f 100644 --- a/llvm/lib/IR/DebugInfo.cpp +++ b/llvm/lib/IR/DebugInfo.cpp @@ -272,7 +272,11 @@ bool llvm::StripDebugInfo(Module &M) { NME = M.named_metadata_end(); NMI != NME;) { NamedMDNode *NMD = &*NMI; ++NMI; - if (NMD->getName().startswith("llvm.dbg.")) { + + // We're stripping debug info, and without them, coverage information + // doesn't quite make sense. + if (NMD->getName().startswith("llvm.dbg.") || + NMD->getName() == "llvm.gcov") { NMD->eraseFromParent(); Changed = true; } diff --git a/llvm/test/Transforms/StripSymbols/strip-cov.ll b/llvm/test/Transforms/StripSymbols/strip-cov.ll new file mode 100644 index 00000000000..ad74bdae514 --- /dev/null +++ b/llvm/test/Transforms/StripSymbols/strip-cov.ll @@ -0,0 +1,20 @@ +; RUN: opt -S %s -strip -o - | FileCheck %s + +; CHECK-NOT: !llvm.dbg.cu +; CHECK-NOT: !llvm.gcov + +; CHECK: !llvm.module.flags = !{!0} +; CHECK: !0 = !{i32 2, !"Debug Info Version", i32 3} + +target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3} +!llvm.gcov = !{!4} + +!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 4.0.0 (trunk 284352) (llvm/trunk 284353)", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2) +!1 = !DIFile(filename: "/dev/null", directory: "/home/davide/work/llvm/build/bin") +!2 = !{} +!3 = !{i32 2, !"Debug Info Version", i32 3} +!4 = !{!"/scratch/patatino/build/bin/null.gcno", !"/scratch/patatino/build/bin/null.gcda", !0} |
