diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/SIInstrInfo.cpp')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstrInfo.cpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp index 0bd0aba4954..d6f70a6da46 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -2513,18 +2513,19 @@ void SIInstrInfo::splitScalar64BitBCNT(SmallVectorImpl<MachineInstr *> &Worklist MachineOperand SrcRegSub1 = buildExtractSubRegOrImm(MII, MRI, Src, SrcRC, AMDGPU::sub1, SrcSubRC); - MachineInstr *First = BuildMI(MBB, MII, DL, InstDesc, MidReg) + BuildMI(MBB, MII, DL, InstDesc, MidReg) .addOperand(SrcRegSub0) .addImm(0); - MachineInstr *Second = BuildMI(MBB, MII, DL, InstDesc, ResultReg) + BuildMI(MBB, MII, DL, InstDesc, ResultReg) .addOperand(SrcRegSub1) .addReg(MidReg); MRI.replaceRegWith(Dest.getReg(), ResultReg); - Worklist.push_back(First); - Worklist.push_back(Second); + // We don't need to legalize operands here. src0 for etiher instruction can be + // an SGPR, and the second input is unused or determined here. + addUsersToMoveToVALUWorklist(ResultReg, MRI, Worklist); } void SIInstrInfo::splitScalar64BitBFE(SmallVectorImpl<MachineInstr *> &Worklist, |
