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Fix "comparison of unsigned expression >= 0 is always true" warning. NFCI. 

llvm-svn: 351816
This commit is contained in:
Simon Pilgrim 2019-01-22 13:18:26 +00:00
parent 2c69f90171
commit 9e2c2cfcd9
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Target/X86/X86InstrInfo.cpp
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@ -1582,7 +1582,7 @@ MachineInstr *X86InstrInfo::commuteInstructionImpl(MachineInstr &MI, bool NewMI,
if (DstIdx == SrcIdx && (ZMask & (1 << DstIdx)) == 0 &&
countPopulation(ZMask) == 2) {
unsigned AltIdx = findFirstSet((ZMask | (1 << DstIdx)) ^ 15);
assert(0 <= AltIdx && AltIdx < 4 && "Illegal insertion index");
assert(AltIdx < 4 && "Illegal insertion index");
unsigned AltImm = (AltIdx << 6) | (AltIdx << 4) | ZMask;
auto &WorkingMI = cloneIfNew(MI);
WorkingMI.getOperand(MI.getNumOperands() - 1).setImm(AltImm);