llvm/test/CodeGen/MIR/AMDGPU/target-index-operands.mir

# RUN: llc -march=amdgcn -mcpu=SI -start-after postrapseudos -stop-after postrapseudos -o /dev/null %s | FileCheck %s
# This test verifies that the MIR parser can parse target index operands.

--- |

  %struct.foo = type { float, [5 x i32] }

  @float_gv = internal unnamed_addr addrspace(2) constant [5 x float] [float 0.000000e+00, float 1.000000e+00, float 2.000000e+00, float 3.000000e+00, float 4.000000e+00], align 4

  define void @float(float addrspace(1)* %out, i32 %index) #0 {
  entry:
    %0 = getelementptr inbounds [5 x float], [5 x float] addrspace(2)* @float_gv, i32 0, i32 %index
    %1 = load float, float addrspace(2)* %0
    store float %1, float addrspace(1)* %out
    ret void
  }

  define void @float2(float addrspace(1)* %out, i32 %index) #0 {
  entry:
    %0 = getelementptr inbounds [5 x float], [5 x float] addrspace(2)* @float_gv, i32 0, i32 %index
    %1 = load float, float addrspace(2)* %0
    store float %1, float addrspace(1)* %out
    ret void
  }

  declare { i1, i64 } @llvm.SI.if(i1)

  declare { i1, i64 } @llvm.SI.else(i64)

  declare i64 @llvm.SI.break(i64)

  declare i64 @llvm.SI.if.break(i1, i64)

  declare i64 @llvm.SI.else.break(i64, i64)

  declare i1 @llvm.SI.loop(i64)

  declare void @llvm.SI.end.cf(i64)

  attributes #0 = { "target-cpu"="SI" }

...
---
name:            float
tracksSubRegLiveness: true
liveins:
  - { reg: '%sgpr0_sgpr1' }
frameInfo:
  maxAlignment:  8
body:
  - id:          0
    name:        entry
    liveins:     [ '%sgpr0_sgpr1' ]
    instructions:
      - '%sgpr2_sgpr3 = S_GETPC_B64'
# CHECK: %sgpr2 = S_ADD_U32 %sgpr2, target-index(amdgpu-constdata-start), implicit-def %scc, implicit-def %scc
      - '%sgpr2 = S_ADD_U32 %sgpr2, target-index(amdgpu-constdata-start), implicit-def %scc, implicit-def %scc'
      - '%sgpr3 = S_ADDC_U32 %sgpr3, 0, implicit-def %scc, implicit %scc, implicit-def %scc, implicit %scc'
      - '%sgpr4_sgpr5 = S_LSHR_B64 %sgpr2_sgpr3, 32, implicit-def dead %scc'
      - '%sgpr6 = S_LOAD_DWORD_IMM %sgpr0_sgpr1, 11'
      - '%sgpr7 = S_ASHR_I32 %sgpr6, 31, implicit-def dead %scc'
      - '%sgpr6_sgpr7 = S_LSHL_B64 %sgpr6_sgpr7, 2, implicit-def dead %scc'
      - '%sgpr2 = S_ADD_U32 %sgpr2, @float_gv, implicit-def %scc'
      - '%sgpr3 = S_ADDC_U32 %sgpr4, 0, implicit-def dead %scc, implicit %scc'
      - '%sgpr4 = S_ADD_U32 %sgpr2, %sgpr6, implicit-def %scc'
      - '%sgpr5 = S_ADDC_U32 %sgpr3, %sgpr7, implicit-def dead %scc, implicit %scc'
      - '%sgpr2 = S_LOAD_DWORD_IMM %sgpr4_sgpr5, 0'
      - '%sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed %sgpr0_sgpr1, 9'
      - '%sgpr7 = S_MOV_B32 61440'
      - '%sgpr6 = S_MOV_B32 -1'
      - '%vgpr0 = V_MOV_B32_e32 killed %sgpr2, implicit %exec'
      - 'BUFFER_STORE_DWORD_OFFSET killed %vgpr0, %sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit %exec'
      - S_ENDPGM
...
---
name:            float2
tracksSubRegLiveness: true
liveins:
  - { reg: '%sgpr0_sgpr1' }
frameInfo:
  maxAlignment:  8
body:
  - id:          0
    name:        entry
    liveins:     [ '%sgpr0_sgpr1' ]
    instructions:
      - '%sgpr2_sgpr3 = S_GETPC_B64'
# CHECK: %sgpr2 = S_ADD_U32 %sgpr2, target-index(amdgpu-constdata-start) + 1, implicit-def %scc, implicit-def %scc
      - '%sgpr2 = S_ADD_U32 %sgpr2, target-index(amdgpu-constdata-start) + 1, implicit-def %scc, implicit-def %scc'
      - '%sgpr3 = S_ADDC_U32 %sgpr3, 0, implicit-def %scc, implicit %scc, implicit-def %scc, implicit %scc'
      - '%sgpr4_sgpr5 = S_LSHR_B64 %sgpr2_sgpr3, 32, implicit-def dead %scc'
      - '%sgpr6 = S_LOAD_DWORD_IMM %sgpr0_sgpr1, 11'
      - '%sgpr7 = S_ASHR_I32 %sgpr6, 31, implicit-def dead %scc'
      - '%sgpr6_sgpr7 = S_LSHL_B64 %sgpr6_sgpr7, 2, implicit-def dead %scc'
      - '%sgpr2 = S_ADD_U32 %sgpr2, @float_gv, implicit-def %scc'
      - '%sgpr3 = S_ADDC_U32 %sgpr4, 0, implicit-def dead %scc, implicit %scc'
      - '%sgpr4 = S_ADD_U32 %sgpr2, %sgpr6, implicit-def %scc'
      - '%sgpr5 = S_ADDC_U32 %sgpr3, %sgpr7, implicit-def dead %scc, implicit %scc'
      - '%sgpr2 = S_LOAD_DWORD_IMM %sgpr4_sgpr5, 0'
      - '%sgpr4_sgpr5 = S_LOAD_DWORDX2_IMM killed %sgpr0_sgpr1, 9'
      - '%sgpr7 = S_MOV_B32 61440'
      - '%sgpr6 = S_MOV_B32 -1'
      - '%vgpr0 = V_MOV_B32_e32 killed %sgpr2, implicit %exec'
      - 'BUFFER_STORE_DWORD_OFFSET killed %vgpr0, %sgpr4_sgpr5_sgpr6_sgpr7, 0, 0, 0, 0, 0, implicit %exec'
      - S_ENDPGM
...