From: Mehdi Amini <mehdi.amini@apple.com>
Date: Sat, 16 Jul 2016 18:20:26 +0000 (+0000)
Subject: IPRA: avoid double query to the map (NFC)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bf11cc79f27f007dc76456f57b93b73c3f51f77c;p=llvm

IPRA: avoid double query to the map (NFC)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275689 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/RegisterUsageInfo.cpp b/lib/CodeGen/RegisterUsageInfo.cpp
index 9eeb3b9d8cc..5cf3e57eb3d 100644
--- a/lib/CodeGen/RegisterUsageInfo.cpp
+++ b/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;
 }