1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
2# RUN: llc -march=amdgcn -mcpu=gfx1010 -run-pass=si-shrink-instructions --verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
3# RUN: llc -march=amdgcn -mcpu=gfx1100 -run-pass=si-shrink-instructions --verify-machineinstrs %s -o - | FileCheck -check-prefix=GCN %s
4
5# Make sure the implicit vcc_lo of V_CNDMASK is preserved and not promoted to vcc.
6---
7
8name:            shrink_cndmask_implicit_vcc_lo
9tracksRegLiveness: true
10body:             |
11  bb.0:
12    liveins: $vgpr0, $vgpr1
13    ; GCN-LABEL: name: shrink_cndmask_implicit_vcc_lo
14    ; GCN: liveins: $vgpr0, $vgpr1
15    ; GCN-NEXT: {{  $}}
16    ; GCN-NEXT: [[COPY:%[0-9]+]]:vgpr_32 = COPY $vgpr0
17    ; GCN-NEXT: [[COPY1:%[0-9]+]]:vgpr_32 = COPY $vgpr0
18    ; GCN-NEXT: V_CMP_LT_I32_e32 0, [[COPY]], implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
19    ; GCN-NEXT: [[V_CNDMASK_B32_e32_:%[0-9]+]]:vgpr_32 = V_CNDMASK_B32_e32 0, [[COPY1]], implicit $vcc_lo, implicit $exec
20    ; GCN-NEXT: S_NOP 0
21    %0:vgpr_32 = COPY $vgpr0
22    %1:vgpr_32 = COPY $vgpr0
23    V_CMP_LT_I32_e32 0, %0:vgpr_32, implicit-def $vcc_lo, implicit $exec, implicit-def $vcc
24    %2:vgpr_32 = V_CNDMASK_B32_e64 0, 0, 0, %1:vgpr_32, $vcc_lo, implicit $exec
25    S_NOP 0
26
27...
28