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| author | Evan Cheng <evan.cheng@apple.com> | 2009-12-07 23:10:34 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-12-07 23:10:34 +0000 |
| commit | 5c668a2259b32b2e3c67a5e48db5ddaaabda279f (patch) | |
| tree | 93ad1709ab147cde2677c6b272d18fc244182321 /llvm/lib/CodeGen/MachineInstr.cpp | |
| parent | a928c652bec1e24131dccb1facbca8de5035cdee (diff) | |
| download | bcm5719-llvm-5c668a2259b32b2e3c67a5e48db5ddaaabda279f.tar.gz bcm5719-llvm-5c668a2259b32b2e3c67a5e48db5ddaaabda279f.zip | |
Follow up to 90488. Turn a check into an assertion.
llvm-svn: 90815
Diffstat (limited to 'llvm/lib/CodeGen/MachineInstr.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineInstr.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp index 3f4a92804c4..12b974d30be 100644 --- a/llvm/lib/CodeGen/MachineInstr.cpp +++ b/llvm/lib/CodeGen/MachineInstr.cpp @@ -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) |
