Change 'TypeCache' from being an std::map to a llvm::DenseMap. This reduces codegen time
on one .i file from 403.gcc by 0.5%.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@99823 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 97e99ea..d8a9f36 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -1212,7 +1212,7 @@
Ty = UnwrapTypeForDebugInfo(Ty);
// Check for existing entry.
- std::map<void *, llvm::WeakVH>::iterator it =
+ llvm::DenseMap<void *, llvm::WeakVH>::iterator it =
TypeCache.find(Ty.getAsOpaquePtr());
if (it != TypeCache.end()) {
// Verify that the debug info still exists.
diff --git a/lib/CodeGen/CGDebugInfo.h b/lib/CodeGen/CGDebugInfo.h
index 47a4620..3a9a4cc 100644
--- a/lib/CodeGen/CGDebugInfo.h
+++ b/lib/CodeGen/CGDebugInfo.h
@@ -53,7 +53,7 @@
/// TypeCache - Cache of previously constructed Types.
// FIXME: Eliminate this map. Be careful of iterator invalidation.
- std::map<void *, llvm::WeakVH> TypeCache;
+ llvm::DenseMap<void *, llvm::WeakVH> TypeCache;
bool BlockLiteralGenericSet;
llvm::DIType BlockLiteralGeneric;