From e203b610fa965187e1c3fbbd5a8c153374adab76 Mon Sep 17 00:00:00 2001
From: Mehdi Amini <mehdi.amini@apple.com>
Date: Sat, 16 Jul 2016 18:20:26 +0000
Subject: IPRA: avoid double query to the map (NFC)

llvm-svn: 275689
---
 llvm/lib/CodeGen/RegisterUsageInfo.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/CodeGen/RegisterUsageInfo.cpp')

diff --git a/llvm/lib/CodeGen/RegisterUsageInfo.cpp b/llvm/lib/CodeGen/RegisterUsageInfo.cpp
index 9eeb3b9d8cc..5cf3e57eb3d 100644
--- a/llvm/lib/CodeGen/RegisterUsageInfo.cpp
+++ b/llvm/lib/CodeGen/RegisterUsageInfo.cpp
@@ -54,8 +54,9 @@ void PhysicalRegisterUsageInfo::storeUpdateRegUsageInfo(
 
 const std::vector<uint32_t> *
 PhysicalRegisterUsageInfo::getRegUsageInfo(const Function *FP) {
-  if (RegMasks.find(FP) != RegMasks.end())
-    return &(RegMasks.find(FP)->second);
+  auto It = RegMasks.find(FP);
+  if (It != RegMasks.end())
+    return &(It->second);
   return nullptr;
 }
 
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