From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Sat, 18 Aug 2012 20:24:19 +0000 (+0000)
Subject: Remove overly conservative hasOneUse check, this always expands into a single IR... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c279ecd23c7902fbc6b436cfd8b7957607711281;p=oota-llvm.git

Remove overly conservative hasOneUse check, this always expands into a single IR instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162175 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 3fc1357eae0..c43fb71c2dd 100644
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -2990,7 +2990,7 @@ Instruction *InstCombiner::visitFCmpInst(FCmpInst &I) {
         CallInst *CI = cast<CallInst>(LHSI);
         LibFunc::Func Func;
         // Various optimization for fabs compared with zero.
-        if (RHSC->isNullValue() && CI->hasOneUse() &&
+        if (RHSC->isNullValue() &&
             TLI->getLibFunc(CI->getCalledFunction()->getName(), Func) &&
             TLI->has(Func)) {
           if (Func == LibFunc::fabs || Func == LibFunc::fabsf ||