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| author | Chris Lattner <sabre@nondot.org> | 2006-04-15 23:39:14 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-04-15 23:39:14 +0000 |
| commit | 41df12ff4cae24e797c37838336ef9cd626bed3e (patch) | |
| tree | 4259224623ab43f7a79c28fab11e4f23a2f8f6ef /llvm/lib | |
| parent | 7e7ad593cc4ad34051de68d18eabda717b9b5d8d (diff) | |
| download | bcm5719-llvm-41df12ff4cae24e797c37838336ef9cd626bed3e.tar.gz bcm5719-llvm-41df12ff4cae24e797c37838336ef9cd626bed3e.zip | |
Add a new vnot_conv predicate for matching vnot's where the allones vector is
bitconverted from some other type.
llvm-svn: 27724
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/TargetSelectionDAG.td | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/lib/Target/TargetSelectionDAG.td b/llvm/lib/Target/TargetSelectionDAG.td index 02608409749..40a4a97d077 100644 --- a/llvm/lib/Target/TargetSelectionDAG.td +++ b/llvm/lib/Target/TargetSelectionDAG.td @@ -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. |
