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Add a new vnot_conv predicate for matching vnot's where the allones vector is

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bitconverted from some other type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27724 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-15 23:39:14 +00:00
parent 547a16f273
commit 1fcee4edf5
1 changed files with 6 additions and 0 deletions
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6
lib/Target/TargetSelectionDAG.td
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@ -394,9 +394,15 @@ def immAllZerosV: PatLeaf<(build_vector), [{
return ISD::isBuildVectorAllZeros(N);
}]>;
def immAllOnesV_bc: PatLeaf<(bitconvert), [{
return ISD::isBuildVectorAllOnes(N);
}]>;
// Other helper fragments.
def not : PatFrag<(ops node:$in), (xor node:$in, immAllOnes)>;
def vnot : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV)>;
def vnot_conv : PatFrag<(ops node:$in), (xor node:$in, immAllOnesV_bc)>;
def ineg : PatFrag<(ops node:$in), (sub 0, node:$in)>;
// extending load & truncstore fragments.