From 3193a689db3de8640d412ccd9482301647359a4e Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Mon, 21 Jun 2010 14:21:47 +0000 Subject: [PATCH] Do one lookup instead of two. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106415 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/SelectionDAG/FastISel.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/lib/CodeGen/SelectionDAG/FastISel.cpp b/lib/CodeGen/SelectionDAG/FastISel.cpp index 58d8344479c..cc8c3c70ac2 100644 --- a/lib/CodeGen/SelectionDAG/FastISel.cpp +++ b/lib/CodeGen/SelectionDAG/FastISel.cpp @@ -185,8 +185,9 @@ unsigned FastISel::lookUpRegForValue(const Value *V) { // cache values defined by Instructions across blocks, and other values // only locally. This is because Instructions already have the SSA // def-dominates-use requirement enforced. - if (ValueMap.count(V)) - return ValueMap[V]; + DenseMap::iterator I = ValueMap.find(V); + if (I != ValueMap.end()) + return I->second; return LocalValueMap[V]; } -- 2.34.1