From 7740523a890e1a1cdd99fc087d33ec238fd893bd Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Tue, 27 Jan 2009 02:37:43 +0000
Subject: Eliminate unnecessary operands-list traversals.

llvm-svn: 63088
---
 llvm/lib/Target/X86/X86ISelDAGToDAG.cpp | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index 04ba430d2d6..c5a6edd87a7 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -242,12 +242,9 @@ namespace {
 static SDNode *findFlagUse(SDNode *N) {
   unsigned FlagResNo = N->getNumValues()-1;
   for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I) {
-    SDNode *User = *I;
-    for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) {
-      SDValue Op = User->getOperand(i);
-      if (Op.getNode() == N && Op.getResNo() == FlagResNo)
-        return User;
-    }
+    SDUse &Use = I.getUse();
+    if (Use.getResNo() == FlagResNo)
+      return Use.getUser();
   }
   return NULL;
 }
-- 
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