From: Craig Topper <craig.topper@gmail.com>
Date: Sat, 26 Nov 2016 18:43:26 +0000 (+0000)
Subject: [X86] Remove hasOneUse check that is redundant with the one in IsProfitableToFold.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=dc1d2a252f2fd21afac45dec14ed625d7c038ff9;p=llvm

[X86] Remove hasOneUse check that is redundant with the one in IsProfitableToFold.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@287987 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 17b0a82d8a4..19d1dd6e01b 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -1519,7 +1519,6 @@ bool X86DAGToDAGISel::selectScalarSSELoad(SDNode *Root,
   if (N.getOpcode() == ISD::SCALAR_TO_VECTOR && N.getNode()->hasOneUse()) {
     PatternNodeWithChain = N.getOperand(0);
     if (ISD::isNON_EXTLoad(PatternNodeWithChain.getNode()) &&
-        PatternNodeWithChain.hasOneUse() &&
         IsProfitableToFold(PatternNodeWithChain, N.getNode(), Root) &&
         IsLegalToFold(PatternNodeWithChain, N.getNode(), Root, OptLevel)) {
       LoadSDNode *LD = cast<LoadSDNode>(PatternNodeWithChain);
@@ -1536,7 +1535,6 @@ bool X86DAGToDAGISel::selectScalarSSELoad(SDNode *Root,
       N.getOperand(0).getNode()->hasOneUse()) {
     PatternNodeWithChain = N.getOperand(0).getOperand(0);
     if (ISD::isNON_EXTLoad(PatternNodeWithChain.getNode()) &&
-        PatternNodeWithChain.hasOneUse() &&
         IsProfitableToFold(PatternNodeWithChain, N.getNode(), Root) &&
         IsLegalToFold(PatternNodeWithChain, N.getNode(), Root, OptLevel)) {
       // Okay, this is a zero extending load.  Fold it.