[RewriteStatepointsForGC] Replace std::map with DenseMap

I'd done the work of extracting the typedef in a previous commit, but didn't actually change it.  Hopefully this will make any subtle changes easier to isolate.

llvm-svn: 230081

diff --git a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
index 041f405..5135452 100644 (file)
--- a/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
+++ b/llvm/lib/Transforms/Scalar/RewriteStatepointsForGC.cpp
@@ -95,7 +95,7 @@ namespace {
 // Generally, after the execution of a full findBasePointer call, only the
 // base relation will remain.  Internally, we add a mixture of the two
 // types, then update all the second type to the first type
-typedef std::map<Value *, Value *> DefiningValueMapTy;
+typedef DenseMap<Value *, Value *> DefiningValueMapTy;
 typedef std::set<llvm::Value *> StatepointLiveSetTy;
 
 struct PartiallyConstructedSafepointRecord {
@@ -584,7 +584,7 @@ private:
   Value *base; // non null only if status == base
 };
 
-typedef std::map<Value *, PhiState> ConflictStateMapTy;
+typedef DenseMap<Value *, PhiState> ConflictStateMapTy;
 // Values of type PhiState form a lattice, and this is a helper
 // class that implementes the meet operation.  The meat of the meet
 // operation is implemented in MeetPhiStates::pureMeet