1# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass=si-shrink-instructions --verify-machineinstrs %s -o - | FileCheck %s
2# RUN: llc -march=amdgcn -mcpu=gfx1100 -run-pass=si-shrink-instructions --verify-machineinstrs %s -o - | FileCheck %s
3
4# Make sure the implicit vcc_lo of V_CNDMASK is preserved and not promoted to vcc.
5---
6
7name:            shrink_cndmask_implicit_vcc_lo
8tracksRegLiveness: true
9body:             |
10  bb.0:
11    liveins: $vgpr0, $vgpr1
12    ; CHECK-LABEL: name: shrink_cndmask_implicit_vcc_lo
13    ; CHECK: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
14    ; CHECK: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
15    ; CHECK: V_CMP_LT_I32_e32 0, [[COPY]], implicit-def $vcc_lo, implicit $exec
16    ; CHECK: V_CNDMASK_B32_e32 0, [[COPY1]], implicit $vcc_lo, implicit $exec
17    %0:vgpr_32 = COPY $vgpr0
18    %1:vgpr_32 = COPY $vgpr0
19    V_CMP_LT_I32_e32 0, %0:vgpr_32, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
20    %2:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %1:vgpr_32, $vcc_lo, implicit $exec
21    S_NOP 0
22
23...
24