}
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;
%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
+...