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
|
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -enable-var-scope -check-prefixes=GCN %s
; RUN: not llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s 2>&1 | FileCheck -enable-var-scope -check-prefixes=INVALID %s
; RUN: not llc -march=amdgcn -mcpu=tahiti -verify-machineinstrs < %s 2>&1 | FileCheck -enable-var-scope -check-prefixes=INVALID %s
; GCN-LABEL: {{^}}s_input_output_v8f16
; GCN: s_mov_b32 s[0:3], -1
; GCN: ; use s[0:3]
; INVALID: error: couldn't allocate output register for constraint 's'
; INVALID: error: couldn't allocate input reg for constraint 's'
define amdgpu_kernel void @s_input_output_v8f16() {
%v = tail call <8 x half> asm sideeffect "s_mov_b32 $0, -1", "=s"()
tail call void asm sideeffect "; use $0", "s"(<8 x half> %v)
ret void
}
; GCN-LABEL: {{^}}s_input_output_v8i16
; GCN: s_mov_b32 s[0:3], -1
; GCN: ; use s[0:3]
; INVALID: error: couldn't allocate output register for constraint 's'
; INVALID: error: couldn't allocate input reg for constraint 's'
define amdgpu_kernel void @s_input_output_v8i16() {
%v = tail call <8 x i16> asm sideeffect "s_mov_b32 $0, -1", "=s"()
tail call void asm sideeffect "; use $0", "s"(<8 x i16> %v)
ret void
}
; GCN-LABEL: {{^}}v_input_output_v8f16
; GCN: v_mov_b32 v[0:3], -1
; GCN: ; use v[0:3]
; INVALID: error: couldn't allocate output register for constraint 'v'
; INVALID: error: couldn't allocate input reg for constraint 'v'
define amdgpu_kernel void @v_input_output_v8f16() {
%v = tail call <8 x half> asm sideeffect "v_mov_b32 $0, -1", "=v"()
tail call void asm sideeffect "; use $0", "v"(<8 x half> %v)
ret void
}
; GCN-LABEL: {{^}}v_input_output_v8i16
; GCN: v_mov_b32 v[0:3], -1
; GCN: ; use v[0:3]
; INVALID: error: couldn't allocate output register for constraint 'v'
; INVALID: error: couldn't allocate input reg for constraint 'v'
define amdgpu_kernel void @v_input_output_v8i16() {
%v = tail call <8 x i16> asm sideeffect "v_mov_b32 $0, -1", "=v"()
tail call void asm sideeffect "; use $0", "v"(<8 x i16> %v)
ret void
}
; GCN-LABEL: {{^}}s_input_output_v16f16
; GCN: s_mov_b32 s[0:7], -1
; GCN: ; use s[0:7]
; INVALID: error: couldn't allocate output register for constraint 's'
; INVALID: error: couldn't allocate input reg for constraint 's'
define amdgpu_kernel void @s_input_output_v16f16() {
%v = tail call <16 x half> asm sideeffect "s_mov_b32 $0, -1", "=s"()
tail call void asm sideeffect "; use $0", "s"(<16 x half> %v)
ret void
}
; GCN-LABEL: {{^}}s_input_output_v16i16
; GCN: s_mov_b32 s[0:7], -1
; GCN: ; use s[0:7]
; INVALID: error: couldn't allocate output register for constraint 's'
; INVALID: error: couldn't allocate input reg for constraint 's'
define amdgpu_kernel void @s_input_output_v16i16() {
%v = tail call <16 x i16> asm sideeffect "s_mov_b32 $0, -1", "=s"()
tail call void asm sideeffect "; use $0", "s"(<16 x i16> %v)
ret void
}
; GCN-LABEL: {{^}}v_input_output_v16f16
; GCN: v_mov_b32 v[0:7], -1
; GCN: ; use v[0:7]
; INVALID: error: couldn't allocate output register for constraint 'v'
; INVALID: error: couldn't allocate input reg for constraint 'v'
define amdgpu_kernel void @v_input_output_v16f16() {
%v = tail call <16 x half> asm sideeffect "v_mov_b32 $0, -1", "=v"()
tail call void asm sideeffect "; use $0", "v"(<16 x half> %v)
ret void
}
; GCN-LABEL: {{^}}v_input_output_v16i16
; GCN: v_mov_b32 v[0:7], -1
; GCN: ; use v[0:7]
; INVALID: error: couldn't allocate output register for constraint 'v'
; INVALID: error: couldn't allocate input reg for constraint 'v'
define amdgpu_kernel void @v_input_output_v16i16() {
%v = tail call <16 x i16> asm sideeffect "v_mov_b32 $0, -1", "=v"()
tail call void asm sideeffect "; use $0", "v"(<16 x i16> %v)
ret void
}
attributes #0 = { nounwind }
|
