aboutsummaryrefslogtreecommitdiff
path: root/test/CodeGen/AMDGPU/uint_to_fp.ll
blob: 3003226ca1a45c1d9e7d1a385f32f4bde8d82d3b (plain) (blame)
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 -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -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 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 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 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 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 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 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 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 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 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 }