vendor/llvm/llvm-trunk-r321017

1 files changed, 3 insertions, 4 deletions

diff --git a/lib/Transforms/IPO/GlobalDCE.cpp b/lib/Transforms/IPO/GlobalDCE.cpp
index c91e8b454927..ada9eb80e680 100644
--- a/lib/Transforms/IPO/GlobalDCE.cpp
+++ b/lib/Transforms/IPO/GlobalDCE.cpp
@@ -18,7 +18,6 @@
 #include "llvm/Transforms/IPO/GlobalDCE.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/Statistic.h"
-#include "llvm/IR/Constants.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Pass.h"
@@ -115,7 +114,7 @@ void GlobalDCEPass::UpdateGVDependencies(GlobalValue &GV) {
     ComputeDependencies(User, Deps);
   Deps.erase(&GV); // Remove self-reference.
   for (GlobalValue *GVU : Deps) {
-    GVDependencies.insert(std::make_pair(GVU, &GV));
+    GVDependencies[GVU].insert(&GV);
   }
 }
 
@@ -199,8 +198,8 @@ PreservedAnalyses GlobalDCEPass::run(Module &M, ModuleAnalysisManager &MAM) {
                                            AliveGlobals.end()};
   while (!NewLiveGVs.empty()) {
     GlobalValue *LGV = NewLiveGVs.pop_back_val();
-    for (auto &&GVD : make_range(GVDependencies.equal_range(LGV)))
-      MarkLive(*GVD.second, &NewLiveGVs);
+    for (auto *GVD : GVDependencies[LGV])
+      MarkLive(*GVD, &NewLiveGVs);
   }
 
   // Now that all globals which are needed are in the AliveGlobals set, we loop