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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
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20
lib/CodeGen/LiveIntervalAnalysis.cpp
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@@ -188,10 +188,6 @@ bool LiveIntervals::conflictsWithPhysReg(const LiveInterval &li,
const MachineInstr &MI = *I;
// Allow copies to and from li.reg
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (tii_->isMoveInstr(MI, SrcReg, DstReg, SrcSubReg, DstSubReg))
if (SrcReg == li.reg || DstReg == li.reg)
continue;
if (MI.isCopy())
if (MI.getOperand(0).getReg() == li.reg ||
MI.getOperand(1).getReg() == li.reg)
@@ -324,9 +320,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
mi->addRegisterDefined(interval.reg);
MachineInstr *CopyMI = NULL;
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (mi->isCopyLike() ||
tii_->isMoveInstr(*mi, SrcReg, DstReg, SrcSubReg, DstSubReg)) {
if (mi->isCopyLike()) {
CopyMI = mi;
}
@@ -454,9 +448,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
OldValNo->setCopy(0);
// A re-def may be a copy. e.g. %reg1030:6<def> = VMOVD %reg1026, ...
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (PartReDef && (mi->isCopyLike() ||
tii_->isMoveInstr(*mi, SrcReg, DstReg, SrcSubReg, DstSubReg)))
if (PartReDef && mi->isCopyLike())
OldValNo->setCopy(&*mi);
// Add the new live interval which replaces the range for the input copy.
@@ -485,9 +477,7 @@ void LiveIntervals::handleVirtualRegisterDef(MachineBasicBlock *mbb,
VNInfo *ValNo;
MachineInstr *CopyMI = NULL;
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (mi->isCopyLike() ||
tii_->isMoveInstr(*mi, SrcReg, DstReg, SrcSubReg, DstSubReg))
if (mi->isCopyLike())
CopyMI = mi;
ValNo = interval.getNextValue(defIndex, CopyMI, true, VNInfoAllocator);
@@ -602,9 +592,7 @@ void LiveIntervals::handleRegisterDef(MachineBasicBlock *MBB,
getOrCreateInterval(MO.getReg()));
else if (allocatableRegs_[MO.getReg()]) {
MachineInstr *CopyMI = NULL;
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (MI->isCopyLike() ||
tii_->isMoveInstr(*MI, SrcReg, DstReg, SrcSubReg, DstSubReg))
if (MI->isCopyLike())
CopyMI = MI;
handlePhysicalRegisterDef(MBB, MI, MIIdx, MO,
getOrCreateInterval(MO.getReg()), CopyMI);