Displaying 1 result from an estimated 1 matches for "getshufflescalarelt".
2012 Aug 01
0
[LLVMdev] X86 isTargetShuffle Question
....9 and LLVM 3.1 a bunch of opcodes got removed
from isTargetShuffle in X86ISelLowering.cpp. It looks like at one point
isTargetShuffle got removed completely so it is very difficult to mine
the history from the svn logs.
isTargetShuffle seems to be used in pretty important places:
static SDValue getShuffleScalarElt(SDNode *N, unsigned Index, SelectionDAG &DAG,
unsigned Depth) {
[...]
// Recurse into target specific vector shuffles to find scalars.
if (isTargetShuffle(Opcode)) {
[...]
}
/// XFormVExtractWithShuffleIntoLoad - Check if a vector extract from a target
//...