diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/AArch64/AArch64InstrInfo.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp index 95037a4cd7c..eb0c5785d5d 100644 --- a/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp +++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.cpp @@ -3353,9 +3353,9 @@ bool AArch64InstrInfo::optimizeCondBranch(MachineInstr *MI) const { if (!MRI->hasOneNonDBGUse(VReg)) return false; - bool Is64Bit = DefMI->getOpcode() != AArch64::ANDWri; uint64_t Mask = AArch64_AM::decodeLogicalImmediate( - DefMI->getOperand(2).getImm(), Is64Bit ? 64 : 32); + DefMI->getOperand(2).getImm(), + (DefMI->getOpcode() == AArch64::ANDWri) ? 32 : 64); if (!isPowerOf2_64(Mask)) return false; @@ -3370,9 +3370,9 @@ bool AArch64InstrInfo::optimizeCondBranch(MachineInstr *MI) const { MachineBasicBlock *TBB = MI->getOperand(1).getMBB(); DebugLoc DL = MI->getDebugLoc(); unsigned Imm = Log2_64(Mask); - unsigned Opc = Is64Bit - ? (IsNegativeBranch ? AArch64::TBNZX : AArch64::TBZX) - : (IsNegativeBranch ? AArch64::TBNZW : AArch64::TBZW); + unsigned Opc = (Imm < 32) + ? (IsNegativeBranch ? AArch64::TBNZW : AArch64::TBZW) + : (IsNegativeBranch ? AArch64::TBNZX : AArch64::TBZX); BuildMI(RefToMBB, MI, DL, get(Opc)).addReg(NewReg).addImm(Imm).addMBB(TBB); MI->eraseFromParent(); return true; |
