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masknumelts
2010 Mar 30
1
[LLVMdev] Question on SelectionDAGBuilder
...her an EXTRACT_SUBVECTOR can be used:
for (int Input=0; Input < 2; ++Input) {
if (MinRange[Input] == (int)(SrcNumElts+1) && MaxRange[Input] == -1) {
RangeUse[Input] = 0; // Unused
StartIdx[Input] = 0;
} else if (MaxRange[Input] - MinRange[Input] < (int)MaskNumElts) {
// Fits within range but we should see if we can find a good
// start index that is a multiple of the mask length.
if (MaxRange[Input] < (int)MaskNumElts) {
RangeUse[Input] = 1; // Extract from beginning of the vector
StartIdx[Input] = 0;
}...