llvm-project/llvm/test/CodeGen/AMDGPU/verify-constant-bus-violati...

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# RUN: not --crash llc -march=amdgcn -mcpu=gfx900 -run-pass machineverifier -o /dev/null %s 2>&1 | FileCheck -check-prefix=GFX9-ERR %s
# RUN: not --crash llc -march=amdgcn -mcpu=gfx1010 -mattr=-wavefrontsize32,+wavefrontsize64 -run-pass machineverifier -o /dev/null %s 2>&1 | FileCheck -check-prefix=GFX10-ERR %s
# GFX9-ERR: *** Bad machine code: VOP* instruction violates constant bus restriction ***
# GFX9-ERR: $vgpr0 = V_CNDMASK_B32_e64 0, $sgpr0, 0, -1, killed $sgpr0_sgpr1, implicit $exec
---
name: sgpr_reuse_2sgpr
liveins:
- { reg: '$sgpr0_sgpr1', virtual-reg: '' }
body: |
bb.0:
liveins: $sgpr0_sgpr1
$vgpr0 = V_CNDMASK_B32_e64 0, $sgpr0, 0, -1, killed $sgpr0_sgpr1, implicit $exec
...
# GFX10-ERR: *** Bad machine code: VOP* instruction violates constant bus restriction ***
# GFX10-ERR: $vgpr0 = V_CNDMASK_B32_e64 0, $sgpr0, 0, $sgpr2, killed $sgpr0_sgpr1, implicit $exec
---
name: sgpr_reuse_3sgpr
liveins:
- { reg: '$sgpr0_sgpr1', virtual-reg: '' }
- { reg: '$sgpr2', virtual-reg: '' }
body: |
bb.0:
liveins: $sgpr0_sgpr1, $sgpr2
$vgpr0 = V_CNDMASK_B32_e64 0, $sgpr0, 0, $sgpr2, killed $sgpr0_sgpr1, implicit $exec
...