| # RUN: llc -march=amdgcn -mcpu=gfx900 -run-pass=si-shrink-instructions --verify-machineinstrs %s -o - | FileCheck %s |
| |
| # Make sure immediate folding into V_CNDMASK respects constant bus restrictions. |
| --- |
| |
| name: shrink_cndmask_illegal_imm_folding |
| tracksRegLiveness: true |
| body: | |
| bb.0: |
| liveins: $vgpr0, $vgpr1 |
| ; CHECK-LABEL: name: shrink_cndmask_illegal_imm_folding |
| ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0 |
| ; CHECK: [[MOV:%[0-9]+]]:vgpr_32 = V_MOV_B32_e32 32768, implicit $exec |
| ; CHECK: V_CMP_EQ_U32_e32 0, [[COPY]], implicit-def $vcc, implicit $exec |
| ; CHECK: V_CNDMASK_B32_e32 [[MOV]], killed [[COPY]], implicit $vcc, implicit $exec |
| |
| %0:vgpr_32 = COPY $vgpr0 |
| %1:vgpr_32 = V_MOV_B32_e32 32768, implicit $exec |
| V_CMP_EQ_U32_e32 0, %0:vgpr_32, implicit-def $vcc, implicit $exec |
| %2:vgpr_32 = V_CNDMASK_B32_e64 0, %1:vgpr_32, 0, killed %0:vgpr_32, $vcc, implicit $exec |
| S_NOP 0 |
| |
| ... |
