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Change the use_list to be a smallvector instead of a vector. This reduces

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isel time from 6.79s to 5.53s (22%) on kc++ with a release build on ppc.
Go smallvector! :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29731 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-08-16 21:01:10 +00:00
parent f83482dcad
commit 5892d47a62
2 changed files with 4 additions and 3 deletions
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1
include/llvm/CodeGen/SelectionDAG.h
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@ -20,6 +20,7 @@
#include "llvm/ADT/ilist"
#include <list>
#include <vector>
#include <map>
#include <set>
#include <string>

6
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -23,9 +23,9 @@
#include "llvm/Value.h"
#include "llvm/ADT/GraphTraits.h"
#include "llvm/ADT/iterator"
#include "llvm/ADT/SmallVector.h"
#include "llvm/Support/DataTypes.h"
#include <cassert>
#include <vector>
namespace llvm {
@ -722,7 +722,7 @@ class SDNode {
/// Uses - These are all of the SDNode's that use a value produced by this
/// node.
std::vector<SDNode*> Uses;
SmallVector<SDNode*,3> Uses;
// Out-of-line virtual method to give class a home.
virtual void ANCHOR();
@ -751,7 +751,7 @@ public:
///
int getNodeId() const { return NodeId; }
typedef std::vector<SDNode*>::const_iterator use_iterator;
typedef SmallVector<SDNode*,3>::const_iterator use_iterator;
use_iterator use_begin() const { return Uses.begin(); }
use_iterator use_end() const { return Uses.end(); }