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Allow kill flags on two-address instructions. They are harmless.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128643 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2011-03-31 17:52:41 +00:00
parent 8e53aca51a
commit 02ae9f2f27
1 changed files with 2 additions and 6 deletions
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8
lib/CodeGen/MachineVerifier.cpp
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@ -610,13 +610,9 @@ MachineVerifier::visitMachineOperand(const MachineOperand *MO, unsigned MONum) {
if (MI->isRegTiedToDefOperand(MONum, &defIdx)) { if (MI->isRegTiedToDefOperand(MONum, &defIdx)) {
// A two-addr use counts as a kill if use and def are the same. // A two-addr use counts as a kill if use and def are the same.
unsigned DefReg = MI->getOperand(defIdx).getReg(); unsigned DefReg = MI->getOperand(defIdx).getReg();
if (Reg == DefReg) { if (Reg == DefReg)
isKill = true; isKill = true;
// And in that case an explicit kill flag is not allowed. else if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
if (MO->isKill())
report("Illegal kill flag on two-address instruction operand",
MO, MONum);
} else if (TargetRegisterInfo::isPhysicalRegister(Reg)) {
report("Two-address instruction operands must be identical", report("Two-address instruction operands must be identical",
MO, MONum); MO, MONum);
} }