Follow up to 90488. Turn a check into an assertion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90815 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2009-12-07 23:10:34 +00:00
parent 13027640e8
commit d8f079c25e

View File

@ -1064,8 +1064,8 @@ bool MachineInstr::isInvariantLoad(AliasAnalysis *AA) const {
unsigned MachineInstr::isConstantValuePHI() const {
if (getOpcode() != TargetInstrInfo::PHI)
return 0;
if (getNumOperands() <= 1)
return 0;
assert(getNumOperands() >= 3 &&
"It's illegal to have a PHI without source operands");
unsigned Reg = getOperand(1).getReg();
for (unsigned i = 3, e = getNumOperands(); i < e; i += 2)