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Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic.

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These functions not longer assert when passed 0, but simply return false instead.

No functional change intended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123155 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-01-10 02:58:51 +00:00
parent fdc8f2d260
commit c9df025e33
20 changed files with 39 additions and 43 deletions
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2
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -954,7 +954,7 @@ TryInstructionTransform(MachineBasicBlock::iterator &mi,
if (LV) {
for (unsigned i = 0, e = mi->getNumOperands(); i != e; ++i) {
MachineOperand &MO = mi->getOperand(i);
if (MO.isReg() && MO.getReg() != 0 &&
if (MO.isReg() &&
TargetRegisterInfo::isVirtualRegister(MO.getReg())) {
if (MO.isUse()) {
if (MO.isKill()) {