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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149671 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2012-02-03 05:12:30 +00:00
parent 6c2cf8b1fb
commit 8247e0dca6
8 changed files with 47 additions and 47 deletions
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lib/CodeGen/TwoAddressInstructionPass.cpp
+8 -8
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@@ -247,7 +247,7 @@ bool TwoAddressInstructionPass::Sink3AddrInstruction(MachineBasicBlock *MBB,
// If any of the definitions are used by another instruction between the
// position and the kill use, then it's not safe to sink it.
//
//
// FIXME: This can be sped up if there is an easy way to query whether an
// instruction is before or after another instruction. Then we can use
// MachineRegisterInfo def / use instead.
@@ -290,7 +290,7 @@ bool TwoAddressInstructionPass::Sink3AddrInstruction(MachineBasicBlock *MBB,
KillMO->setIsKill(false);
KillMO = MI->findRegisterUseOperand(SavedReg, false, TRI);
KillMO->setIsKill(true);
if (LV)
LV->replaceKillInstruction(SavedReg, KillMI, MI);
@@ -336,7 +336,7 @@ TwoAddressInstructionPass::isProfitableToReMat(unsigned Reg,
continue; // Current use.
OtherUse = true;
// There is at least one other use in the MBB that will clobber the
// register.
// register.
if (isTwoAddrUse(UseMI, Reg))
return true;
}
@@ -590,7 +590,7 @@ TwoAddressInstructionPass::isProfitableToCommute(unsigned regB, unsigned regC,
// %reg1029<def> = MOV8rr %reg1028
// %reg1029<def> = SHR8ri %reg1029, 7, %EFLAGS<imp-def,dead>
// insert => %reg1030<def> = MOV8rr %reg1029
// %reg1030<def> = ADD8rr %reg1029<kill>, %reg1028<kill>, %EFLAGS<imp-def,dead>
// %reg1030<def> = ADD8rr %reg1029<kill>, %reg1028<kill>, %EFLAGS<imp-def,dead>
if (!MI->killsRegister(regC))
return false;
@@ -906,7 +906,7 @@ TwoAddressInstructionPass::RescheduleMIBelowKill(MachineBasicBlock *MBB,
MachineBasicBlock::iterator &nmi,
unsigned Reg) {
MachineInstr *MI = &*mi;
DenseMap<MachineInstr*, unsigned>::iterator DI = DistanceMap.find(MI);
DenseMap<MachineInstr*, unsigned>::iterator DI = DistanceMap.find(MI);
if (DI == DistanceMap.end())
// Must be created from unfolded load. Don't waste time trying this.
return false;
@@ -1334,7 +1334,7 @@ TryInstructionTransform(MachineBasicBlock::iterator &mi,
if (LV) {
for (unsigned i = 0, e = MI.getNumOperands(); i != e; ++i) {
MachineOperand &MO = MI.getOperand(i);
if (MO.isReg() &&
if (MO.isReg() &&
TargetRegisterInfo::isVirtualRegister(MO.getReg())) {
if (MO.isUse()) {
if (MO.isKill()) {
@@ -1394,7 +1394,7 @@ bool TwoAddressInstructionPass::runOnMachineFunction(MachineFunction &MF) {
bool MadeChange = false;
DEBUG(dbgs() << "********** REWRITING TWO-ADDR INSTRS **********\n");
DEBUG(dbgs() << "********** Function: "
DEBUG(dbgs() << "********** Function: "
<< MF.getFunction()->getName() << '\n');
// This pass takes the function out of SSA form.
@@ -1924,7 +1924,7 @@ bool TwoAddressInstructionPass::EliminateRegSequences() {
DEBUG(dbgs() << "Turned: " << *MI << " into an IMPLICIT_DEF");
MI->setDesc(TII->get(TargetOpcode::IMPLICIT_DEF));
for (int j = MI->getNumOperands() - 1, ee = 0; j > ee; --j)
MI->RemoveOperand(j);
MI->RemoveOperand(j);
} else {
DEBUG(dbgs() << "Eliminated: " << *MI);
MI->eraseFromParent();