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| author | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-02-22 18:29:16 +0000 |
|---|---|---|
| committer | Krzysztof Parzyszek <kparzysz@codeaurora.org> | 2017-02-22 18:29:16 +0000 |
| commit | ace1b89060838db1f44d42c7ee5971568c5d99aa (patch) | |
| tree | ddf091e533e2595fd03a8fe23ec2ebab30b976ea /llvm/lib/Target/Hexagon | |
| parent | ba36b92befa26029a10da57ce8c1936c2b9648a2 (diff) | |
| download | bcm5719-llvm-ace1b89060838db1f44d42c7ee5971568c5d99aa.tar.gz bcm5719-llvm-ace1b89060838db1f44d42c7ee5971568c5d99aa.zip | |
[RDF] Skip undef uses when calculating kill flags
llvm-svn: 295856
Diffstat (limited to 'llvm/lib/Target/Hexagon')
| -rw-r--r-- | llvm/lib/Target/Hexagon/RDFLiveness.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Target/Hexagon/RDFLiveness.cpp b/llvm/lib/Target/Hexagon/RDFLiveness.cpp index 6710e5083d5..2a2700ee6ac 100644 --- a/llvm/lib/Target/Hexagon/RDFLiveness.cpp +++ b/llvm/lib/Target/Hexagon/RDFLiveness.cpp @@ -801,7 +801,7 @@ void Liveness::resetKills(MachineBasicBlock *B) { Live.reset(*SR); } for (auto &Op : MI->operands()) { - if (!Op.isReg() || !Op.isUse()) + if (!Op.isReg() || !Op.isUse() || Op.isUndef()) continue; unsigned R = Op.getReg(); if (!TargetRegisterInfo::isPhysicalRegister(R)) |
