diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIISelLowering.cpp | 2 | ||||
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIInstrInfo.cpp | 32 | ||||
| -rw-r--r-- | llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp | 2 |
3 files changed, 11 insertions, 25 deletions
diff --git a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp index 80e985d..a2841c11 100644 --- a/llvm/lib/Target/AMDGPU/SIISelLowering.cpp +++ b/llvm/lib/Target/AMDGPU/SIISelLowering.cpp @@ -18168,7 +18168,7 @@ Align SITargetLowering::getPrefLoopAlignment(MachineLoop *ML) const { return CacheLineAlign; } -LLVM_ATTRIBUTE_UNUSED +[[maybe_unused]] static bool isCopyFromRegOfInlineAsm(const SDNode *N) { assert(N->getOpcode() == ISD::CopyFromReg); do { diff --git a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp index ec5c5bb3..d516330 100644 --- a/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp +++ b/llvm/lib/Target/AMDGPU/SIInstrInfo.cpp @@ -865,22 +865,16 @@ void SIInstrInfo::copyPhysReg(MachineBasicBlock &MBB, return; } - if (DestReg == AMDGPU::VCC_LO) { - if (AMDGPU::SReg_32RegClass.contains(SrcReg)) { - BuildMI(MBB, MI, DL, get(AMDGPU::S_MOV_B32), AMDGPU::VCC_LO) - .addReg(SrcReg, getKillRegState(KillSrc)); - } else { + if (!AMDGPU::SReg_32RegClass.contains(SrcReg)) { + if (DestReg == AMDGPU::VCC_LO) { // FIXME: Hack until VReg_1 removed. assert(AMDGPU::VGPR_32RegClass.contains(SrcReg)); BuildMI(MBB, MI, DL, get(AMDGPU::V_CMP_NE_U32_e32)) - .addImm(0) - .addReg(SrcReg, getKillRegState(KillSrc)); + .addImm(0) + .addReg(SrcReg, getKillRegState(KillSrc)); + return; } - return; - } - - if (!AMDGPU::SReg_32RegClass.contains(SrcReg)) { reportIllegalCopy(this, MBB, MI, DL, DestReg, SrcReg, KillSrc); return; } @@ -898,22 +892,16 @@ void SIInstrInfo::copyPhysReg(MachineBasicBlock &MBB, return; } - if (DestReg == AMDGPU::VCC) { - if (AMDGPU::SReg_64RegClass.contains(SrcReg)) { - BuildMI(MBB, MI, DL, get(AMDGPU::S_MOV_B64), AMDGPU::VCC) - .addReg(SrcReg, getKillRegState(KillSrc)); - } else { + if (!AMDGPU::SReg_64_EncodableRegClass.contains(SrcReg)) { + if (DestReg == AMDGPU::VCC) { // FIXME: Hack until VReg_1 removed. assert(AMDGPU::VGPR_32RegClass.contains(SrcReg)); BuildMI(MBB, MI, DL, get(AMDGPU::V_CMP_NE_U32_e32)) - .addImm(0) - .addReg(SrcReg, getKillRegState(KillSrc)); + .addImm(0) + .addReg(SrcReg, getKillRegState(KillSrc)); + return; } - return; - } - - if (!AMDGPU::SReg_64_EncodableRegClass.contains(SrcReg)) { reportIllegalCopy(this, MBB, MI, DL, DestReg, SrcReg, KillSrc); return; } diff --git a/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp b/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp index c684f9e..01a40c1 100644 --- a/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp +++ b/llvm/lib/Target/AMDGPU/SIPreEmitPeephole.cpp @@ -654,7 +654,6 @@ void SIPreEmitPeephole::collectUnpackingCandidates( if (TotalCyclesBetweenCandidates < NumMFMACycles - 1) InstrsToUnpack.insert(&Instr); } - return; } void SIPreEmitPeephole::performF32Unpacking(MachineInstr &I) { @@ -681,7 +680,6 @@ void SIPreEmitPeephole::performF32Unpacking(MachineInstr &I) { HiDstOp.setIsRenamable(DstOp.isRenamable()); I.eraseFromParent(); - return; } MachineInstrBuilder SIPreEmitPeephole::createUnpackedMI(MachineInstr &I, |