diff options
Diffstat (limited to 'llvm/lib/CodeGen/RegisterCoalescer.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/RegisterCoalescer.cpp | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp index 4f8b6b241a76..aac98cf924e1 100644 --- a/llvm/lib/CodeGen/RegisterCoalescer.cpp +++ b/llvm/lib/CodeGen/RegisterCoalescer.cpp @@ -418,24 +418,24 @@ INITIALIZE_PASS_DEPENDENCY(AAResultsWrapperPass) INITIALIZE_PASS_END(RegisterCoalescer, "simple-register-coalescing", "Simple Register Coalescing", false, false) -LLVM_NODISCARD static bool isMoveInstr(const TargetRegisterInfo &tri, - const MachineInstr *MI, Register &Src, - Register &Dst, unsigned &SrcSub, - unsigned &DstSub) { - if (MI->isCopy()) { - Dst = MI->getOperand(0).getReg(); - DstSub = MI->getOperand(0).getSubReg(); - Src = MI->getOperand(1).getReg(); - SrcSub = MI->getOperand(1).getSubReg(); - } else if (MI->isSubregToReg()) { - Dst = MI->getOperand(0).getReg(); - DstSub = tri.composeSubRegIndices(MI->getOperand(0).getSubReg(), - MI->getOperand(3).getImm()); - Src = MI->getOperand(2).getReg(); - SrcSub = MI->getOperand(2).getSubReg(); - } else - return false; - return true; +[[nodiscard]] static bool isMoveInstr(const TargetRegisterInfo &tri, + const MachineInstr *MI, Register &Src, + Register &Dst, unsigned &SrcSub, + unsigned &DstSub) { + if (MI->isCopy()) { + Dst = MI->getOperand(0).getReg(); + DstSub = MI->getOperand(0).getSubReg(); + Src = MI->getOperand(1).getReg(); + SrcSub = MI->getOperand(1).getSubReg(); + } else if (MI->isSubregToReg()) { + Dst = MI->getOperand(0).getReg(); + DstSub = tri.composeSubRegIndices(MI->getOperand(0).getSubReg(), + MI->getOperand(3).getImm()); + Src = MI->getOperand(2).getReg(); + SrcSub = MI->getOperand(2).getSubReg(); + } else + return false; + return true; } /// Return true if this block should be vacated by the coalescer to eliminate |