llvm/llvm/test/CodeGen/AMDGPU/shrink-insts-scalar-bit-ops.mir

# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -run-pass=si-shrink-instructions -verify-machineinstrs -o - %s | FileCheck %s
# RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=gfx900 -passes=si-shrink-instructions -verify-machineinstrs -o - %s | FileCheck %s

---
name:            undef_and_operand_to_bitset0
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: undef_and_operand_to_bitset0
    ; CHECK: renamable $sgpr4 = S_BITSET0_B32 31, undef $sgpr4, implicit-def dead $scc
    ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
    renamable $sgpr4 = S_AND_B32 undef renamable $sgpr4, 2147483647, implicit-def dead $scc
    S_ENDPGM 0, implicit $sgpr4

...

---
name:            undef_or_operand_to_orn2
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: undef_or_operand_to_orn2
    ; CHECK: renamable $sgpr4 = S_ORN2_B32 undef renamable $sgpr4, 16, implicit-def dead $scc
    ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
    renamable $sgpr4 = S_OR_B32 undef renamable $sgpr4, -17, implicit-def dead $scc
    S_ENDPGM 0, implicit $sgpr4

...

---
name:            undef_xor_operand_to_orn2
tracksRegLiveness: true
body:             |
  bb.0:
    ; CHECK-LABEL: name: undef_xor_operand_to_orn2
    ; CHECK: renamable $sgpr4 = S_XNOR_B32 undef renamable $sgpr4, 16, implicit-def dead $scc
    ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
    renamable $sgpr4 = S_XOR_B32 undef renamable $sgpr4, -17, implicit-def dead $scc
    S_ENDPGM 0, implicit $sgpr4

...

---
name:            kill_and_operand_to_bitset0
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $sgpr4
    ; CHECK-LABEL: name: kill_and_operand_to_bitset0
    ; CHECK: liveins: $sgpr4
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: renamable $sgpr4 = S_BITSET0_B32 31, killed $sgpr4, implicit-def dead $scc
    ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr4
    renamable $sgpr4 = S_AND_B32 killed renamable $sgpr4, 2147483647, implicit-def dead $scc
    S_ENDPGM 0, implicit $sgpr4

...

# Make sure we don't clobber the live value in scc by replacing the
# s_mov_b32 imm with s_not_b32 ~imm
---
name:            scalar_immediate_bitwise_not_live_scc
tracksRegLiveness: true
body:             |
  bb.0:
    liveins: $sgpr4, $sgpr5
    ; CHECK-LABEL: name: scalar_immediate_bitwise_not_live_scc
    ; CHECK: liveins: $sgpr4, $sgpr5
    ; CHECK-NEXT: {{  $}}
    ; CHECK-NEXT: S_CMP_EQ_U32 killed renamable $sgpr4, killed renamable $sgpr5, implicit-def $scc
    ; CHECK-NEXT: $sgpr6 = S_MOV_B32 -1065353217
    ; CHECK-NEXT: $sgpr7 = S_CSELECT_B32 1, 2, implicit $scc
    ; CHECK-NEXT: S_ENDPGM 0, implicit $sgpr6
    S_CMP_EQ_U32 killed renamable $sgpr4, killed renamable $sgpr5, implicit-def $scc
    $sgpr6 = S_MOV_B32 -1065353217
    $sgpr7 = S_CSELECT_B32 1, 2, implicit $scc
    S_ENDPGM 0, implicit $sgpr6

...