From cacf97107972d0c9d29d14b8d67183c998d17d94 Mon Sep 17 00:00:00 2001 From: Michael Ilseman Date: Fri, 8 Mar 2013 21:15:00 +0000 Subject: [PATCH] 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 --- lib/Analysis/MemoryBuiltins.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/Analysis/MemoryBuiltins.cpp b/lib/Analysis/MemoryBuiltins.cpp index 999ee8a4309..d490d5419f7 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(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(I); - if (!CI) + if (!CI || isa(CI)) return 0; Function *Callee = CI->getCalledFunction(); if (Callee == 0 || !Callee->isDeclaration())