- Remove calls to copyKillDeadInfo which is an N^2 function. Instead, propagate kill / dead markers as new instructions are constructed in foldMemoryOperand, convertToThressAddress, etc.
- Also remove LiveVariables::instructionChanged, etc. Replace all calls with cheaper calls which update VarInfo kill list.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53097 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CellSPU/SPUInstrInfo.cpp b/lib/Target/CellSPU/SPUInstrInfo.cpp
index 3e991a9..aef3611 100644
--- a/lib/Target/CellSPU/SPUInstrInfo.cpp
+++ b/lib/Target/CellSPU/SPUInstrInfo.cpp
@@ -412,20 +412,22 @@
&& MI->getOperand(1).getReg() == MI->getOperand(2).getReg()) {
if (OpNum == 0) { // move -> store
unsigned InReg = MI->getOperand(1).getReg();
+ bool isKill = MI->getOperand(1).isKill();
if (FrameIndex < SPUFrameInfo::maxFrameOffset()) {
- NewMI = addFrameReference(BuildMI(TII.get(SPU::STQDr32)).addReg(InReg),
+ NewMI = addFrameReference(BuildMI(TII.get(SPU::STQDr32))
+ .addReg(InReg, false, false, isKill),
FrameIndex);
}
} else { // move -> load
unsigned OutReg = MI->getOperand(0).getReg();
- Opc = (FrameIndex < SPUFrameInfo::maxFrameOffset()) ? SPU::STQDr32 : SPU::STQXr32;
- NewMI = addFrameReference(BuildMI(TII.get(Opc), OutReg), FrameIndex);
+ bool isDead = MI->getOperand(0).isDead();
+ Opc = (FrameIndex < SPUFrameInfo::maxFrameOffset())
+ ? SPU::STQDr32 : SPU::STQXr32;
+ NewMI = addFrameReference(BuildMI(TII.get(Opc))
+ .addReg(OutReg, true, false, false, isDead), FrameIndex);
}
}
- if (NewMI)
- NewMI->copyKillDeadInfo(MI);
-
return NewMI;
#else
return 0;