From: Fangrui Song <maskray@google.com>
Date: Fri, 19 Apr 2019 05:49:29 +0000 (+0000)
Subject: [MergeFunc] Use less_first() as the comparator of Schwartzian transform
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=52331e06039fbfd84f9278b997748efc66b3048e;p=llvm

[MergeFunc] Use less_first() as the comparator of Schwartzian transform

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@358738 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/IPO/MergeFunctions.cpp b/lib/Transforms/IPO/MergeFunctions.cpp
index d0c16138f9e..8a40f0479f2 100644
--- a/lib/Transforms/IPO/MergeFunctions.cpp
+++ b/lib/Transforms/IPO/MergeFunctions.cpp
@@ -403,12 +403,7 @@ bool MergeFunctions::runOnModule(Module &M) {
     }
   }
 
-  std::stable_sort(
-      HashedFuncs.begin(), HashedFuncs.end(),
-      [](const std::pair<FunctionComparator::FunctionHash, Function *> &a,
-         const std::pair<FunctionComparator::FunctionHash, Function *> &b) {
-        return a.first < b.first;
-      });
+  std::stable_sort(HashedFuncs.begin(), HashedFuncs.end(), less_first());
 
   auto S = HashedFuncs.begin();
   for (auto I = HashedFuncs.begin(), IE = HashedFuncs.end(); I != IE; ++I) {