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author | Nick Lewycky <nicholas@mxc.ca> | 2007-11-22 03:07:37 +0000 |
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committer | Nick Lewycky <nicholas@mxc.ca> | 2007-11-22 03:07:37 +0000 |
commit | 6b676daf49b80bcc004a455aaba59c79f5405858 (patch) | |
tree | f47768507d6ecc26e4b272ff587d40d9c5a330be | |
parent | 4f109f422bfc60547410e28d182b9a5f3ac239d3 (diff) | |
download | external_llvm-6b676daf49b80bcc004a455aaba59c79f5405858.zip external_llvm-6b676daf49b80bcc004a455aaba59c79f5405858.tar.gz external_llvm-6b676daf49b80bcc004a455aaba59c79f5405858.tar.bz2 |
Create nodes for inline asm so that we don't crash looking for the node later.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44267 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | lib/Analysis/IPA/Andersens.cpp | 8 | ||||
-rw-r--r-- | test/Analysis/Andersens/2007-11-19-InlineAsm.ll | 8 |
2 files changed, 16 insertions, 0 deletions
diff --git a/lib/Analysis/IPA/Andersens.cpp b/lib/Analysis/IPA/Andersens.cpp index 08b9dc3..da4fa82 100644 --- a/lib/Analysis/IPA/Andersens.cpp +++ b/lib/Analysis/IPA/Andersens.cpp @@ -668,6 +668,14 @@ void Andersens::IdentifyObjects(Module &M) { if (AllocationInst *AI = dyn_cast<AllocationInst>(&*II)) ObjectNodes[AI] = NumObjects++; } + + // Calls to inline asm need to be added as well because the callee isn't + // referenced anywhere else. + if (CallInst *CI = dyn_cast<CallInst>(&*II)) { + Value *Callee = CI->getCalledValue(); + if (isa<InlineAsm>(Callee)) + ValueNodes[Callee] = NumObjects++; + } } } diff --git a/test/Analysis/Andersens/2007-11-19-InlineAsm.ll b/test/Analysis/Andersens/2007-11-19-InlineAsm.ll new file mode 100644 index 0000000..c1ab6c7 --- /dev/null +++ b/test/Analysis/Andersens/2007-11-19-InlineAsm.ll @@ -0,0 +1,8 @@ +; RUN: llvm-as < %s | opt -anders-aa -disable-output + +define void @x(i16 %Y) { +entry: + %tmp = call i16 asm "bswap $0", "=r,r"(i16 %Y) + ret void +} + |