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| author | Devang Patel <dpatel@apple.com> | 2010-03-19 21:06:24 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-03-19 21:06:24 +0000 |
| commit | e5718bacb9443b982c479cc6a338ee2ac7c38a5f (patch) | |
| tree | 2f03e2a6ea7ec221630a95a0c0d8269ee5c047b4 | |
| parent | 49428a29486325517cd21b712e748228c9d08ad0 (diff) | |
| download | external_llvm-e5718bacb9443b982c479cc6a338ee2ac7c38a5f.zip external_llvm-e5718bacb9443b982c479cc6a338ee2ac7c38a5f.tar.gz external_llvm-e5718bacb9443b982c479cc6a338ee2ac7c38a5f.tar.bz2 | |
call void @llvm.dbg.declare(metadata !{i32* null}, metadata !1)
is valid, but not useful, when variable identified by !1 is optimized away by the optimizer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98986 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/VMCore/Verifier.cpp | 4 | ||||
| -rw-r--r-- | test/DebugInfo/2010-03-19-DbgDeclare.ll | 12 |
2 files changed, 12 insertions, 4 deletions
diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp index 721e96a..f141382 100644 --- a/lib/VMCore/Verifier.cpp +++ b/lib/VMCore/Verifier.cpp @@ -1623,10 +1623,6 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) { MDNode *MD = cast<MDNode>(CI.getOperand(1)); Assert1(MD->getNumOperands() == 1, "invalid llvm.dbg.declare intrinsic call 2", &CI); - if (MD->getOperand(0)) - if (Constant *C = dyn_cast<Constant>(MD->getOperand(0))) - Assert1(C && !isa<ConstantPointerNull>(C), - "invalid llvm.dbg.declare intrinsic call 3", &CI); } break; case Intrinsic::memcpy: case Intrinsic::memmove: diff --git a/test/DebugInfo/2010-03-19-DbgDeclare.ll b/test/DebugInfo/2010-03-19-DbgDeclare.ll new file mode 100644 index 0000000..1f7a889 --- /dev/null +++ b/test/DebugInfo/2010-03-19-DbgDeclare.ll @@ -0,0 +1,12 @@ +; RUN: llvm-as < %s | opt -verify -disable-output + +define void @Foo(i32 %a, i32 %b) { +entry: + call void @llvm.dbg.declare(metadata !{i32* null}, metadata !1) + ret void +} + +!0 = metadata !{i32 662302, i32 26, metadata !1, null} +!1 = metadata !{i32 4, metadata !"foo"} + +declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone |