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Switch inliner over to use DenseMap instead of std::map for ValueMap. This

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speeds up the inliner 16%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33801 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-02-03 00:08:31 +00:00
parent 4642ca6589
commit 5e665f5594
9 changed files with 49 additions and 46 deletions
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16
include/llvm/Transforms/Utils/Cloning.h
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@@ -19,7 +19,7 @@
#define LLVM_TRANSFORMS_UTILS_CLONING_H
#include <vector>
#include <map>
#include "llvm/ADT/DenseMap.h"
namespace llvm {
@@ -38,7 +38,7 @@ class TargetData;
/// CloneModule - Return an exact copy of the specified module
///
Module *CloneModule(const Module *M);
Module *CloneModule(const Module *M, std::map<const Value*, Value*> &ValueMap);
Module *CloneModule(const Module *M, DenseMap<const Value*, Value*> &ValueMap);
/// ClonedCodeInfo - This struct can be used to capture information about code
/// being cloned, while it is being cloned.
@@ -94,7 +94,7 @@ struct ClonedCodeInfo {
/// parameter.
///
BasicBlock *CloneBasicBlock(const BasicBlock *BB,
std::map<const Value*, Value*> &ValueMap,
DenseMap<const Value*, Value*> &ValueMap,
const char *NameSuffix = "", Function *F = 0,
ClonedCodeInfo *CodeInfo = 0);
@@ -109,13 +109,13 @@ BasicBlock *CloneBasicBlock(const BasicBlock *BB,
/// information about the cloned code if non-null.
///
Function *CloneFunction(const Function *F,
std::map<const Value*, Value*> &ValueMap,
DenseMap<const Value*, Value*> &ValueMap,
ClonedCodeInfo *CodeInfo = 0);
/// CloneFunction - Version of the function that doesn't need the ValueMap.
///
inline Function *CloneFunction(const Function *F, ClonedCodeInfo *CodeInfo = 0){
std::map<const Value*, Value*> ValueMap;
DenseMap<const Value*, Value*> ValueMap;
return CloneFunction(F, ValueMap, CodeInfo);
}
@@ -126,7 +126,7 @@ inline Function *CloneFunction(const Function *F, ClonedCodeInfo *CodeInfo = 0){
/// specified suffix to all values cloned.
///
void CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
std::map<const Value*, Value*> &ValueMap,
DenseMap<const Value*, Value*> &ValueMap,
std::vector<ReturnInst*> &Returns,
const char *NameSuffix = "",
ClonedCodeInfo *CodeInfo = 0);
@@ -139,7 +139,7 @@ void CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
/// dead. Since this doesn't produce an exactly copy of the input, it can't be
/// used for things like CloneFunction or CloneModule.
void CloneAndPruneFunctionInto(Function *NewFunc, const Function *OldFunc,
std::map<const Value*, Value*> &ValueMap,
DenseMap<const Value*, Value*> &ValueMap,
std::vector<ReturnInst*> &Returns,
const char *NameSuffix = "",
ClonedCodeInfo *CodeInfo = 0,
@@ -150,7 +150,7 @@ void CloneAndPruneFunctionInto(Function *NewFunc, const Function *OldFunc,
/// saved in ValueMap.
///
void CloneTraceInto(Function *NewFunc, Trace &T,
std::map<const Value*, Value*> &ValueMap,
DenseMap<const Value*, Value*> &ValueMap,
const char *NameSuffix);
/// CloneTrace - Returns a copy of the specified trace.