diff options
| -rw-r--r-- | include/llvm/CodeGen/MachineInstr.h | 3 | ||||
| -rw-r--r-- | lib/CodeGen/InlineSpiller.cpp | 6 |
2 files changed, 4 insertions, 5 deletions
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h index 07a14cf0c1..788d149c86 100644 --- a/include/llvm/CodeGen/MachineInstr.h +++ b/include/llvm/CodeGen/MachineInstr.h @@ -278,6 +278,9 @@ public: bool isCopy() const { return getOpcode() == TargetOpcode::COPY; } + bool isFullCopy() const { + return isCopy() && !getOperand(0).getSubReg() && !getOperand(1).getSubReg(); + } /// isCopyLike - Return true if the instruction behaves like a copy. /// This does not include native copy instructions. diff --git a/lib/CodeGen/InlineSpiller.cpp b/lib/CodeGen/InlineSpiller.cpp index 19ae333115..0273891d69 100644 --- a/lib/CodeGen/InlineSpiller.cpp +++ b/lib/CodeGen/InlineSpiller.cpp @@ -180,11 +180,7 @@ Spiller *createInlineSpiller(MachineFunctionPass &pass, /// isFullCopyOf - If MI is a COPY to or from Reg, return the other register, /// otherwise return 0. static unsigned isFullCopyOf(const MachineInstr *MI, unsigned Reg) { - if (!MI->isCopy()) - return 0; - if (MI->getOperand(0).getSubReg() != 0) - return 0; - if (MI->getOperand(1).getSubReg() != 0) + if (!MI->isFullCopy()) return 0; if (MI->getOperand(0).getReg() == Reg) return MI->getOperand(1).getReg(); |