From 89766e5b1de84564a25648dab647119999888a7e Mon Sep 17 00:00:00 2001 From: Benjamin Kramer Date: Sat, 28 Nov 2015 21:43:12 +0000 Subject: [SimplifyLibCalls] Fix inverted condition that lead to an uninitialized memory read below. Found by msan! llvm-svn: 254238 --- llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'llvm/lib/Transforms') diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp index 67e1697c7da..8389e39f7af 100644 --- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -1454,8 +1454,8 @@ LibCallSimplifier::classifyArgUse(Value *Val, BasicBlock *BB, bool IsFloat, Function *Callee = CI->getCalledFunction(); LibFunc::Func Func; - if (Callee && (!TLI->getLibFunc(Callee->getName(), Func) || !TLI->has(Func) || - !isTrigLibCall(CI))) + if (!Callee || !TLI->getLibFunc(Callee->getName(), Func) || !TLI->has(Func) || + !isTrigLibCall(CI)) return; if (IsFloat) { -- cgit v1.2.3