diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp | 3 | ||||
| -rw-r--r-- | llvm/test/CodeGen/AMDGPU/dpp_combine.mir | 16 |
2 files changed, 18 insertions, 1 deletions
diff --git a/llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp b/llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp index 98678873e37..edf2b5f62b9 100644 --- a/llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp +++ b/llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp @@ -235,7 +235,8 @@ MachineInstr *GCNDPPCombine::createDPPInst(MachineInstr &OrigMI, } if (auto *Src2 = TII->getNamedOperand(OrigMI, AMDGPU::OpName::src2)) { - if (!TII->isOperandLegal(*DPPInst.getInstr(), NumOperands, Src2)) { + if (!TII->getNamedOperand(*DPPInst.getInstr(), AMDGPU::OpName::src2) || + !TII->isOperandLegal(*DPPInst.getInstr(), NumOperands, Src2)) { LLVM_DEBUG(dbgs() << " failed: src2 is illegal\n"); Fail = true; break; diff --git a/llvm/test/CodeGen/AMDGPU/dpp_combine.mir b/llvm/test/CodeGen/AMDGPU/dpp_combine.mir index e0e3c352fd2..0c4d0e0e238 100644 --- a/llvm/test/CodeGen/AMDGPU/dpp_combine.mir +++ b/llvm/test/CodeGen/AMDGPU/dpp_combine.mir @@ -794,3 +794,19 @@ body: | %4:vgpr_32 = V_ADD_I32_e32 %2.sub0, undef %3:vgpr_32, implicit-def $vcc, implicit $exec %5:vgpr_32, dead %6:sreg_64_xexec = V_ADDC_U32_e64 1, %2.sub1, undef $vcc, 0, implicit $exec ... + +# GCN-LABEL: name: dont_combine_cndmask_with_src2 +# GCN: %5:vgpr_32 = V_CNDMASK_B32_e64 0, %3, 0, %1, %4, implicit $exec +name: dont_combine_cndmask_with_src2 +tracksRegLiveness: true +body: | + bb.0: + liveins: $vgpr0, $vgpr1 + %0:vgpr_32 = COPY $vgpr0 + %1:vgpr_32 = COPY $vgpr1 + %2:vgpr_32 = IMPLICIT_DEF + + %3:vgpr_32 = V_MOV_B32_dpp %2, %0, 1, 15, 15, 1, implicit $exec + %4:sreg_64_xexec = IMPLICIT_DEF + %5:vgpr_32 = V_CNDMASK_B32_e64 0, %3, 0, %1, %4, implicit $exec +... |
