diff options
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; |
