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
|
; RUN: llc -march=amdgcn -mcpu=tahiti -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=SI %s
; SI-LABEL: {{^}}s_clear_msb:
; SI: s_bitset0_b32 s{{[0-9]+}}, 31
define amdgpu_kernel void @s_clear_msb(i32 addrspace(1)* %out, i32 %in) {
%x = and i32 %in, 2147483647
store i32 %x, i32 addrspace(1)* %out
ret void
}
; SI-LABEL: {{^}}s_set_msb:
; SI: s_bitset1_b32 s{{[0-9]+}}, 31
define amdgpu_kernel void @s_set_msb(i32 addrspace(1)* %out, i32 %in) {
%x = or i32 %in, 2147483648
store i32 %x, i32 addrspace(1)* %out
ret void
}
; SI-LABEL: {{^}}s_clear_lsb:
; SI: s_and_b32 s{{[0-9]+}}, s{{[0-9]+}}, -2
define amdgpu_kernel void @s_clear_lsb(i32 addrspace(1)* %out, i32 %in) {
%x = and i32 %in, 4294967294
store i32 %x, i32 addrspace(1)* %out
ret void
}
; SI-LABEL: {{^}}s_set_lsb:
; SI: s_or_b32 s{{[0-9]+}}, s{{[0-9]+}}, 1
define amdgpu_kernel void @s_set_lsb(i32 addrspace(1)* %out, i32 %in) {
%x = or i32 %in, 1
store i32 %x, i32 addrspace(1)* %out
ret void
}
; SI-LABEL: {{^}}s_clear_midbit:
; SI: s_bitset0_b32 s{{[0-9]+}}, 8
define amdgpu_kernel void @s_clear_midbit(i32 addrspace(1)* %out, i32 %in) {
%x = and i32 %in, 4294967039
store i32 %x, i32 addrspace(1)* %out
ret void
}
; SI-LABEL: {{^}}s_set_midbit:
; SI: s_bitset1_b32 s{{[0-9]+}}, 8
define amdgpu_kernel void @s_set_midbit(i32 addrspace(1)* %out, i32 %in) {
%x = or i32 %in, 256
store i32 %x, i32 addrspace(1)* %out
ret void
}
|
