diff options
| 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 | d8f079c25e8bcaf4d10bfa9c3f6a38cd5ac84329 (patch) | |
| tree | c483d08f99af704be1753b7d64e3e743b2e8b4bf | |
| parent | 13027640e85b92e60b765a326f18630328d8897d (diff) | |
| download | external_llvm-d8f079c25e8bcaf4d10bfa9c3f6a38cd5ac84329.zip external_llvm-d8f079c25e8bcaf4d10bfa9c3f6a38cd5ac84329.tar.gz external_llvm-d8f079c25e8bcaf4d10bfa9c3f6a38cd5ac84329.tar.bz2 | |
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
| -rw-r--r-- | lib/CodeGen/MachineInstr.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp index 3f4a928..12b974d 100644 --- a/lib/CodeGen/MachineInstr.cpp +++ b/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) |