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| author | Sanjay Patel <spatel@rotateright.com> | 2017-04-26 13:27:57 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2017-04-26 13:27:57 +0000 |
| commit | a4b4e9388cedc7da13c37e8939609786486731ce (patch) | |
| tree | 382c38cf3e828df123e43a3b6f3d961bc497bff0 /llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | |
| parent | 00353a0bf9d23fdd05a0bb3f2639366c971d7f6d (diff) | |
| download | bcm5719-llvm-a4b4e9388cedc7da13c37e8939609786486731ce.tar.gz bcm5719-llvm-a4b4e9388cedc7da13c37e8939609786486731ce.zip | |
[DAG] add FIXME comments for splat detection; NFC
llvm-svn: 301403
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp index afcdb6ce015..18b238d4e35 100644 --- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp @@ -1364,6 +1364,9 @@ unsigned TargetLowering::ComputeNumSignBitsForTargetNode(SDValue Op, return 1; } +// FIXME: Ideally, this would use ISD::isConstantSplatVector(), but that must +// work with truncating build vectors and vectors with elements of less than +// 8 bits. bool TargetLowering::isConstTrueVal(const SDNode *N) const { if (!N) return false; |
