reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
    1
    2
    3
    4
    5
    6
    7
    8
    9
   10
   11
   12
   13
   14
   15
   16
   17
   18
   19
   20
   21
   22
   23
   24
   25
   26
   27
   28
   29
   30
   31
   32
   33
   34
   35
   36
   37
   38
   39
   40
   41
   42
   43
   44
   45
   46
   47
   48
   49
   50
   51
   52
   53
   54
   55
   56
   57
   58
   59
   60
   61
   62
   63
   64
   65
   66
   67
   68
   69
   70
   71
   72
   73
   74
   75
   76
   77
   78
   79
   80
   81
   82
   83
   84
   85
   86
   87
   88
   89
   90
   91
   92
   93
   94
   95
   96
   97
   98
   99
  100
  101
  102
  103
  104
  105
  106
  107
  108
  109
  110
  111
  112
  113
  114
  115
  116
  117
  118
  119
  120
  121
  122
  123
  124
  125
  126
  127
  128
  129
  130
  131
  132
  133
  134
  135
  136
  137
  138
  139
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -allow-deprecated-dag-overlap -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -allow-deprecated-dag-overlap -check-prefix=R600 -check-prefix=FUNC %s

; FUNC-LABEL: {{^}}s_uint_to_fp_i32_to_f32:
; SI: v_cvt_f32_u32_e32

; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[2].Z
define amdgpu_kernel void @s_uint_to_fp_i32_to_f32(float addrspace(1)* %out, i32 %in) #0 {
  %result = uitofp i32 %in to float
  store float %result, float addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}v_uint_to_fp_i32_to_f32:
; SI: v_cvt_f32_u32_e32 {{v[0-9]+}}, {{v[0-9]+$}}

; R600: INT_TO_FLT
define amdgpu_kernel void @v_uint_to_fp_i32_to_f32(float addrspace(1)* %out, i32 addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.r600.read.tidig.x()
  %in.gep = getelementptr i32, i32 addrspace(1)* %in, i32 %tid
  %out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
  %val = load i32, i32 addrspace(1)* %in.gep
  %result = uitofp i32 %val to float
  store float %result, float addrspace(1)* %out.gep
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_v2i32_to_v2f32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32

; R600-DAG: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[2].W
; R600-DAG: UINT_TO_FLT * T{{[0-9]+\.[XYZW]}}, KC0[3].X
define amdgpu_kernel void @s_uint_to_fp_v2i32_to_v2f32(<2 x float> addrspace(1)* %out, <2 x i32> %in) #0 {
  %result = uitofp <2 x i32> %in to <2 x float>
  store <2 x float> %result, <2 x float> addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_v4i32_to_v4f32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: s_endpgm

; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define amdgpu_kernel void @s_uint_to_fp_v4i32_to_v4f32(<4 x float> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) #0 {
  %value = load <4 x i32>, <4 x i32> addrspace(1) * %in
  %result = uitofp <4 x i32> %value to <4 x float>
  store <4 x float> %result, <4 x float> addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}v_uint_to_fp_v4i32:
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32
; SI: v_cvt_f32_u32_e32

; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; R600: UINT_TO_FLT * T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
define amdgpu_kernel void @v_uint_to_fp_v4i32(<4 x float> addrspace(1)* %out, <4 x i32> addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.r600.read.tidig.x()
  %in.gep = getelementptr <4 x i32>, <4 x i32> addrspace(1)* %in, i32 %tid
  %out.gep = getelementptr <4 x float>, <4 x float> addrspace(1)* %out, i32 %tid
  %value = load <4 x i32>, <4 x i32> addrspace(1)* %in.gep
  %result = uitofp <4 x i32> %value to <4 x float>
  store <4 x float> %result, <4 x float> addrspace(1)* %out.gep
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_i1_to_f32:
; SI: v_cmp_eq_u32_e64 [[CMP:s\[[0-9]+:[0-9]\]]],
; SI-NEXT: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0, [[CMP]]
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define amdgpu_kernel void @s_uint_to_fp_i1_to_f32(float addrspace(1)* %out, i32 %in) #0 {
  %cmp = icmp eq i32 %in, 0
  %fp = uitofp i1 %cmp to float
  store float %fp, float addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}s_uint_to_fp_i1_to_f32_load:
; SI: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0
; SI: buffer_store_dword [[RESULT]],
; SI: s_endpgm
define amdgpu_kernel void @s_uint_to_fp_i1_to_f32_load(float addrspace(1)* %out, i1 %in) #0 {
  %fp = uitofp i1 %in to float
  store float %fp, float addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}v_uint_to_fp_i1_f32_load:
; SI: {{buffer|flat}}_load_ubyte
; SI: v_and_b32_e32 {{v[0-9]+}}, 1, {{v[0-9]+}}
; SI: v_cmp_eq_u32
; SI: v_cndmask_b32_e64 [[RESULT:v[0-9]+]], 0, 1.0
; SI: {{buffer|flat}}_store_dword {{.*}}[[RESULT]]
; SI: s_endpgm
define amdgpu_kernel void @v_uint_to_fp_i1_f32_load(float addrspace(1)* %out, i1 addrspace(1)* %in) #0 {
  %tid = call i32 @llvm.r600.read.tidig.x()
  %in.gep = getelementptr i1, i1 addrspace(1)* %in, i32 %tid
  %out.gep = getelementptr float, float addrspace(1)* %out, i32 %tid
  %val = load i1, i1 addrspace(1)* %in.gep
  %fp = uitofp i1 %val to float
  store float %fp, float addrspace(1)* %out.gep
  ret void
}

; FIXME: Repeated here to test r600
; FUNC-LABEL: {{^}}s_uint_to_fp_i64_to_f32:
; R600: FFBH_UINT
; R600: FFBH_UINT
; R600: CNDE_INT
; R600: CNDE_INT

; R600-DAG: SETGT_UINT
; R600-DAG: SETGT_UINT
; R600-DAG: SETE_INT

define amdgpu_kernel void @s_uint_to_fp_i64_to_f32(float addrspace(1)* %out, i64 %in) #0 {
entry:
  %cvt = uitofp i64 %in to float
  store float %cvt, float addrspace(1)* %out
  ret void
}

declare i32 @llvm.r600.read.tidig.x() #1

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }