Changes in directory llvm/include/llvm/CodeGen:
LiveIntervalAnalysis.h updated: 1.56 -> 1.57
---
Log message:
Iterative coallescing doesn't buy us anything (we get identical results on
crafty with and without it). Removing it speeds up live intervals 6%.
---
Diffs of the changes: (+2 -15)
LiveIntervalAnalysis.h | 17 ++---------------
1 files changed, 2 insertions(+), 15 deletions(-)
Index: llvm/include/llvm/CodeGen/LiveIntervalAnalysis.h
diff -u llvm/include/llvm/CodeGen/LiveIntervalAnalysis.h:1.56
llvm/include/llvm/CodeGen/LiveIntervalAnalysis.h:1.57
--- llvm/include/llvm/CodeGen/LiveIntervalAnalysis.h:1.56 Thu Aug 31
00:54:43 2006
+++ llvm/include/llvm/CodeGen/LiveIntervalAnalysis.h Thu Aug 31 23:02:42 2006
@@ -53,17 +53,6 @@
std::vector<bool> allocatableRegs_;
public:
- struct CopyRec {
- MachineInstr *MI;
- unsigned SrcReg, DstReg;
- };
- CopyRec getCopyRec(MachineInstr *MI, unsigned SrcReg, unsigned DstReg) {
- CopyRec R;
- R.MI = MI;
- R.SrcReg = SrcReg;
- R.DstReg = DstReg;
- return R;
- }
struct InstrSlots {
enum {
LOAD = 0,
@@ -161,10 +150,8 @@
/// joinIntervals - join compatible live intervals
void joinIntervals();
- /// CopyCoallesceInMBB - Coallsece copies in the specified MBB, putting
- /// copies that cannot yet be coallesced into the "TryAgain" list.
- void CopyCoallesceInMBB(MachineBasicBlock *MBB,
- std::vector<CopyRec> &TryAgain);
+ /// CopyCoallesceInMBB - Coallsece copies in the specified MBB.
+ void CopyCoallesceInMBB(MachineBasicBlock *MBB);
/// JoinCopy - Attempt to join intervals corresponding to SrcReg/DstReg,
/// which are the src/dst of the copy instruction CopyMI. This returns
true
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