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| author | Michael Ilseman <milseman@apple.com> | 2013-03-08 21:15:00 +0000 |
|---|---|---|
| committer | Michael Ilseman <milseman@apple.com> | 2013-03-08 21:15:00 +0000 |
| commit | cacf97107972d0c9d29d14b8d67183c998d17d94 (patch) | |
| tree | c0a5c2665ecd558eed9e5bf677b93a42aa149fa4 /lib/Analysis | |
| parent | eda774a6c682bc39610130cf8a183e656230c9ef (diff) | |
| download | external_llvm-cacf97107972d0c9d29d14b8d67183c998d17d94.zip external_llvm-cacf97107972d0c9d29d14b8d67183c998d17d94.tar.gz external_llvm-cacf97107972d0c9d29d14b8d67183c998d17d94.tar.bz2 | |
Early exit from getAllocationData() and isFreeCall() for intrinsics.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176722 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Analysis')
| -rw-r--r-- | lib/Analysis/MemoryBuiltins.cpp | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/Analysis/MemoryBuiltins.cpp b/lib/Analysis/MemoryBuiltins.cpp index 999ee8a..d490d54 100644 --- a/lib/Analysis/MemoryBuiltins.cpp +++ b/lib/Analysis/MemoryBuiltins.cpp @@ -88,6 +88,10 @@ static Function *getCalledFunction(const Value *V, bool LookThroughBitCast) { static const AllocFnsTy *getAllocationData(const Value *V, AllocType AllocTy, const TargetLibraryInfo *TLI, bool LookThroughBitCast = false) { + // Skip intrinsics + if (isa<IntrinsicInst>(V)) + return 0; + Function *Callee = getCalledFunction(V, LookThroughBitCast); if (!Callee) return 0; @@ -300,7 +304,7 @@ const CallInst *llvm::extractCallocCall(const Value *I, /// isFreeCall - Returns non-null if the value is a call to the builtin free() const CallInst *llvm::isFreeCall(const Value *I, const TargetLibraryInfo *TLI) { const CallInst *CI = dyn_cast<CallInst>(I); - if (!CI) + if (!CI || isa<IntrinsicInst>(CI)) return 0; Function *Callee = CI->getCalledFunction(); if (Callee == 0 || !Callee->isDeclaration()) |