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| author | Ron Lieberman <ronl@codeaurora.org> | 2016-09-17 16:21:09 +0000 |
|---|---|---|
| committer | Ron Lieberman <ronl@codeaurora.org> | 2016-09-17 16:21:09 +0000 |
| commit | da5df7c99ed402cb8a9ae3c54abbbe72eeafdc6a (patch) | |
| tree | 6a925f5222b0a45ed65236c90a9195823debf515 /llvm/lib/Target/Hexagon/HexagonSubtarget.cpp | |
| parent | ac0fc849cf53b41735526eba7931ee4f3508fb8f (diff) | |
| download | bcm5719-llvm-da5df7c99ed402cb8a9ae3c54abbbe72eeafdc6a.tar.gz bcm5719-llvm-da5df7c99ed402cb8a9ae3c54abbbe72eeafdc6a.zip | |
[Hexagon] segv while processing SUnit with nullNodePtr
Added BoundaryNode check to isBestZeroLatency function.
llvm-svn: 281825
Diffstat (limited to 'llvm/lib/Target/Hexagon/HexagonSubtarget.cpp')
| -rw-r--r-- | llvm/lib/Target/Hexagon/HexagonSubtarget.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp b/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp index a3ec0483113..8648901d6c1 100644 --- a/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp +++ b/llvm/lib/Target/Hexagon/HexagonSubtarget.cpp @@ -264,6 +264,10 @@ bool HexagonSubtarget::isBestZeroLatency(SUnit *Src, SUnit *Dst, MachineInstr &SrcInst = *Src->getInstr(); MachineInstr &DstInst = *Dst->getInstr(); + // Ignore Boundary SU nodes as these have null instructions. + if (Dst->isBoundaryNode()) + return false; + if (SrcInst.isPHI() || DstInst.isPHI()) return false; |
