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

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llvm-svn: 90815
This commit is contained in:
Evan Cheng 2009-12-07 23:10:34 +00:00
parent d9047c44e4
commit fe32f969cd
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/MachineInstr.cpp
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@ -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)