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Only call isUse/isDef on register operands

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30122 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-09-05 20:32:06 +00:00
parent 6cdb1ea610
commit 5d8062bcee
1 changed files with 3 additions and 3 deletions
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6
lib/CodeGen/RegAllocLocal.cpp
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@ -552,7 +552,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
for (unsigned i = 0; i != MI->getNumOperands(); ++i) {
MachineOperand& MO = MI->getOperand(i);
// here we are looking for only used operands (never def&use)
if (!MO.isDef() && MO.isRegister() && MO.getReg() &&
if (MO.isRegister() && !MO.isDef() && MO.getReg() &&
MRegisterInfo::isVirtualRegister(MO.getReg()))
MI = reloadVirtReg(MBB, MI, i);
}
@ -584,7 +584,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
// are defined, and marking explicit destinations in the PhysRegsUsed map.
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
MachineOperand& MO = MI->getOperand(i);
if (MO.isDef() && MO.isRegister() && MO.getReg() &&
if (MO.isRegister() && MO.isDef() && MO.getReg() &&
MRegisterInfo::isPhysicalRegister(MO.getReg())) {
unsigned Reg = MO.getReg();
PhysRegsEverUsed[Reg] = true;
@ -626,7 +626,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
//
for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
MachineOperand& MO = MI->getOperand(i);
if (MO.isDef() && MO.isRegister() && MO.getReg() &&
if (MO.isRegister() && MO.isDef() && MO.getReg() &&
MRegisterInfo::isVirtualRegister(MO.getReg())) {
unsigned DestVirtReg = MO.getReg();
unsigned DestPhysReg;