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Remove many calls to TII::isMoveInstr. Targets should be producing COPY anyway.

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TII::isMoveInstr is going tobe completely removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108507 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2010-07-16 04:45:42 +00:00
parent 18c479c600
commit 04c528a0c8
15 changed files with 74 additions and 228 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/ProcessImplicitDefs.cpp
-14
View File
@@ -46,12 +46,6 @@ ProcessImplicitDefs::CanTurnIntoImplicitDef(MachineInstr *MI,
unsigned Reg, unsigned OpIdx,
const TargetInstrInfo *tii_,
SmallSet<unsigned, 8> &ImpDefRegs) {
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (tii_->isMoveInstr(*MI, SrcReg, DstReg, SrcSubReg, DstSubReg) &&
Reg == SrcReg &&
(DstSubReg == 0 || ImpDefRegs.count(DstReg)))
return true;
switch(OpIdx) {
case 1:
return MI->isCopy() && (MI->getOperand(0).getSubReg() == 0 ||
@@ -75,14 +69,6 @@ static bool isUndefCopy(MachineInstr *MI, unsigned Reg,
return true;
return false;
}
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (tii_->isMoveInstr(*MI, SrcReg, DstReg, SrcSubReg, DstSubReg)) {
if (Reg != SrcReg)
return false;
if (DstSubReg == 0 || ImpDefRegs.count(DstReg))
return true;
}
return false;
}