Speedup bitcode writer. Do not walk all values for all functions to emit function local metadata. In one testcase, probably worst case scenario, the 70x speed up is seen.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105360 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Bitcode/Writer/ValueEnumerator.h b/lib/Bitcode/Writer/ValueEnumerator.h
index 4f8ebf5..2b9b15f 100644
--- a/lib/Bitcode/Writer/ValueEnumerator.h
+++ b/lib/Bitcode/Writer/ValueEnumerator.h
@@ -15,6 +15,7 @@
#define VALUE_ENUMERATOR_H
#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallVector.h"
#include "llvm/Attributes.h"
#include <vector>
@@ -26,7 +27,7 @@
class BasicBlock;
class Function;
class Module;
-class MetadataBase;
+class MDNode;
class NamedMDNode;
class AttrListPtr;
class TypeSymbolTable;
@@ -49,6 +50,7 @@
ValueMapType ValueMap;
ValueList Values;
ValueList MDValues;
+ SmallVector<const MDNode *, 8> FunctionLocalMDs;
ValueMapType MDValueMap;
typedef DenseMap<void*, unsigned> AttributeMapType;
@@ -105,6 +107,9 @@
const ValueList &getValues() const { return Values; }
const ValueList &getMDValues() const { return MDValues; }
+ const SmallVector<const MDNode *, 8> &getFunctionLocalMDValues() const {
+ return FunctionLocalMDs;
+ }
const TypeList &getTypes() const { return Types; }
const std::vector<const BasicBlock*> &getBasicBlocks() const {
return BasicBlocks;