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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-09-02 18:33:51 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-09-02 18:33:51 +0000 |
| commit | 965de3050f4b82a190f8ee0f11d1478d6cfce4d8 (patch) | |
| tree | ed46938793d87c303655a3f4272e794f72c800a9 /llvm/lib | |
| parent | 78fdec589899ef9033ed281bbfde0cc50afd4096 (diff) | |
| download | bcm5719-llvm-965de3050f4b82a190f8ee0f11d1478d6cfce4d8.tar.gz bcm5719-llvm-965de3050f4b82a190f8ee0f11d1478d6cfce4d8.zip | |
Fix comment and unnecessary check for FP build_vectors.
This was copy-paste from the integer version, but
FP build_vectors don't truncate.
llvm-svn: 216928
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp index 1186683aeba..e556e74980c 100644 --- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp @@ -711,11 +711,7 @@ static ConstantFPSDNode *isConstOrConstSplatFP(SDValue N) { BitVector UndefElements; ConstantFPSDNode *CN = BV->getConstantFPSplatNode(&UndefElements); - // BuildVectors can truncate their operands. Ignore that case here. - // FIXME: We blindly ignore splats which include undef which is overly - // pessimistic. - if (CN && UndefElements.none() && - CN->getValueType(0) == N.getValueType().getScalarType()) + if (CN && UndefElements.none()) return CN; } |
