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authorrdivacky <rdivacky@FreeBSD.org>2010-02-16 09:30:23 +0000
committerrdivacky <rdivacky@FreeBSD.org>2010-02-16 09:30:23 +0000
commitf25ddd991a5601d0101602c4c263a58c7af4b8a2 (patch)
tree4cfca640904d1896e25032757a61f8959c066919 /lib/CodeGen/ProcessImplicitDefs.cpp
parent3fd58f91dd318518f7daa4ba64c0aaf31799d89b (diff)
downloadFreeBSD-src-f25ddd991a5601d0101602c4c263a58c7af4b8a2.zip
FreeBSD-src-f25ddd991a5601d0101602c4c263a58c7af4b8a2.tar.gz
Update LLVM to r96341.
Diffstat (limited to 'lib/CodeGen/ProcessImplicitDefs.cpp')
-rw-r--r--lib/CodeGen/ProcessImplicitDefs.cpp21
1 files changed, 10 insertions, 11 deletions
diff --git a/lib/CodeGen/ProcessImplicitDefs.cpp b/lib/CodeGen/ProcessImplicitDefs.cpp
index a00f450..d7179b3 100644
--- a/lib/CodeGen/ProcessImplicitDefs.cpp
+++ b/lib/CodeGen/ProcessImplicitDefs.cpp
@@ -49,9 +49,9 @@ bool ProcessImplicitDefs::CanTurnIntoImplicitDef(MachineInstr *MI,
Reg == SrcReg)
return true;
- if (OpIdx == 2 && MI->getOpcode() == TargetInstrInfo::SUBREG_TO_REG)
+ if (OpIdx == 2 && MI->isSubregToReg())
return true;
- if (OpIdx == 1 && MI->getOpcode() == TargetInstrInfo::EXTRACT_SUBREG)
+ if (OpIdx == 1 && MI->isExtractSubreg())
return true;
return false;
}
@@ -88,7 +88,7 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
I != E; ) {
MachineInstr *MI = &*I;
++I;
- if (MI->getOpcode() == TargetInstrInfo::IMPLICIT_DEF) {
+ if (MI->isImplicitDef()) {
unsigned Reg = MI->getOperand(0).getReg();
ImpDefRegs.insert(Reg);
if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
@@ -99,7 +99,7 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
continue;
}
- if (MI->getOpcode() == TargetInstrInfo::INSERT_SUBREG) {
+ if (MI->isInsertSubreg()) {
MachineOperand &MO = MI->getOperand(2);
if (ImpDefRegs.count(MO.getReg())) {
// %reg1032<def> = INSERT_SUBREG %reg1032, undef, 2
@@ -127,7 +127,7 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
// Use is a copy, just turn it into an implicit_def.
if (CanTurnIntoImplicitDef(MI, Reg, i, tii_)) {
bool isKill = MO.isKill();
- MI->setDesc(tii_->get(TargetInstrInfo::IMPLICIT_DEF));
+ MI->setDesc(tii_->get(TargetOpcode::IMPLICIT_DEF));
for (int j = MI->getNumOperands() - 1, ee = 0; j > ee; --j)
MI->RemoveOperand(j);
if (isKill) {
@@ -187,7 +187,7 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
for (MachineRegisterInfo::def_iterator DI = mri_->def_begin(Reg),
DE = mri_->def_end(); DI != DE; ++DI) {
MachineInstr *DeadImpDef = &*DI;
- if (DeadImpDef->getOpcode() != TargetInstrInfo::IMPLICIT_DEF) {
+ if (!DeadImpDef->isImplicitDef()) {
Skip = true;
break;
}
@@ -205,10 +205,9 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
// Process each use instruction once.
for (MachineRegisterInfo::use_iterator UI = mri_->use_begin(Reg),
UE = mri_->use_end(); UI != UE; ++UI) {
- MachineInstr *RMI = &*UI;
- MachineBasicBlock *RMBB = RMI->getParent();
- if (RMBB == MBB)
+ if (UI.getOperand().isUndef())
continue;
+ MachineInstr *RMI = &*UI;
if (ModInsts.insert(RMI))
RUses.push_back(RMI);
}
@@ -220,7 +219,7 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
unsigned SrcReg, DstReg, SrcSubReg, DstSubReg;
if (tii_->isMoveInstr(*RMI, SrcReg, DstReg, SrcSubReg, DstSubReg) &&
Reg == SrcReg) {
- RMI->setDesc(tii_->get(TargetInstrInfo::IMPLICIT_DEF));
+ RMI->setDesc(tii_->get(TargetOpcode::IMPLICIT_DEF));
bool isKill = false;
SmallVector<unsigned, 4> Ops;
@@ -264,8 +263,8 @@ bool ProcessImplicitDefs::runOnMachineFunction(MachineFunction &fn) {
}
}
RUses.clear();
+ ModInsts.clear();
}
- ModInsts.clear();
ImpDefRegs.clear();
ImpDefMIs.clear();
}
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