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| author | Florian Hahn <flo@fhahn.com> | 2019-03-06 00:10:03 +0000 |
|---|---|---|
| committer | Florian Hahn <flo@fhahn.com> | 2019-03-06 00:10:03 +0000 |
| commit | 13bbcb3264f7afec8b70386f5b1cba8d7e2e2aed (patch) | |
| tree | c8475a2e2dc37fb0eb30841ab226366cdec163ad /llvm/lib/Target/ARM/ARMISelLowering.h | |
| parent | baf5664f5056b13329db8410f19d9fe7aca77686 (diff) | |
| download | bcm5719-llvm-13bbcb3264f7afec8b70386f5b1cba8d7e2e2aed.tar.gz bcm5719-llvm-13bbcb3264f7afec8b70386f5b1cba8d7e2e2aed.zip | |
[ARM] Sink zext/sext operands for add and sub to enable vsubl generation.
This uses the infrastructure added in rL353152 to sink zext and sexts to
sub/add users, to enable vsubl/vaddl generation when NEON is available.
See https://bugs.llvm.org/show_bug.cgi?id=40025.
Reviewers: SjoerdMeijer, t.p.northover, samparker, efriedma
Reviewed By: samparker
Differential Revision: https://reviews.llvm.org/D58063
llvm-svn: 355460
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelLowering.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelLowering.h b/llvm/lib/Target/ARM/ARMISelLowering.h index 992eaa53098..b80c4cb7b75 100644 --- a/llvm/lib/Target/ARM/ARMISelLowering.h +++ b/llvm/lib/Target/ARM/ARMISelLowering.h @@ -332,6 +332,9 @@ class VectorType; bool isTruncateFree(Type *SrcTy, Type *DstTy) const override; bool isTruncateFree(EVT SrcVT, EVT DstVT) const override; bool isZExtFree(SDValue Val, EVT VT2) const override; + bool shouldSinkOperands(Instruction *I, + SmallVectorImpl<Use *> &Ops) const override; + bool isFNegFree(EVT VT) const override; bool isVectorLoadExtDesirable(SDValue ExtVal) const override; |
