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[X86] Check for less than 0 rather than explicit compare with -1. NFC 

llvm-svn: 296321
This commit is contained in:
Craig Topper 2017-02-27 06:05:30 +00:00
parent cf486b24ba
commit ed0101a0b9
1 changed files with 3 additions and 2 deletions
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5
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -8141,12 +8141,13 @@ static bool isNonZeroElementsInOrder(const SmallBitVector &Zeroable,
// Check if the Mask's nonzero elements are in increasing order.
for (int i = 0, e = Zeroable.size(); i < e; i++) {
// Checks if the mask's zeros elements are built from only zeros.
if (Mask[i] == -1)
assert(Mask[i] >= -1 && "Out of bound mask element!");
if (Mask[i] < 0)
return false;
if (Zeroable[i])
continue;
// Find the lowest non zero element
if (NextElement == -1) {
if (NextElement < 0) {
NextElement = Mask[i] != 0 ? VectorType.getVectorNumElements() : 0;
IsZeroSideLeft = NextElement != 0;
}