r307584 - Use DenseMap instead std::map for GVSummaryMapTy

[Dehao Chen via cfe-commits]

Author: dehao
Date: Mon Jul 10 13:31:37 2017
New Revision: 307584

URL: http://llvm.org/viewvc/llvm-project?rev=307584&view=rev
Log:
Use DenseMap instead std::map for GVSummaryMapTy

Summary: Frontend change for https://reviews.llvm.org/D35148

Reviewers: tejohnson

Reviewed By: tejohnson

Subscribers: sanjoy, cfe-commits

Differential Revision: https://reviews.llvm.org/D35153

Modified:
    cfe/trunk/lib/CodeGen/BackendUtil.cpp

Modified: cfe/trunk/lib/CodeGen/BackendUtil.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/BackendUtil.cpp?rev=307584&r1=307583&r2=307584&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/BackendUtil.cpp (original)
+++ cfe/trunk/lib/CodeGen/BackendUtil.cpp Mon Jul 10 13:31:37 2017
@@ -998,7 +998,7 @@ static void runThinLTOBackend(ModuleSumm
                               std::unique_ptr<raw_pwrite_stream> OS,
                               std::string SampleProfile,
                               BackendAction Action) {
-  StringMap<std::map<GlobalValue::GUID, GlobalValueSummary *>>
+  StringMap<DenseMap<GlobalValue::GUID, GlobalValueSummary *>>
       ModuleToDefinedGVSummaries;
   CombinedIndex->collectDefinedGVSummariesPerModule(ModuleToDefinedGVSummaries);