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
|
; RUN: llc -march=amdgcn -mcpu=bonaire < %s | FileCheck -check-prefix=GCN -check-prefix=CI -check-prefix=ALL %s
; RUN: llc -march=amdgcn -mcpu=carrizo < %s | FileCheck -check-prefix=GCN -check-prefix=VI -check-prefix=ALL %s
; ALL-LABEL: {{^}}large_alloca_pixel_shader:
; GCN: s_mov_b32 s8, SCRATCH_RSRC_DWORD0
; GCN: s_mov_b32 s9, SCRATCH_RSRC_DWORD1
; GCN: s_mov_b32 s10, -1
; CI: s_mov_b32 s11, 0x98f000
; VI: s_mov_b32 s11, 0x980000
; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
; ALL: ; ScratchSize: 32772
define void @large_alloca_pixel_shader(i32 %x, i32 %y) #1 {
%large = alloca [8192 x i32], align 4
%gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
store volatile i32 %x, i32* %gep
%gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
%val = load volatile i32, i32* %gep1
store volatile i32 %val, i32 addrspace(1)* undef
ret void
}
; ALL-LABEL: {{^}}large_alloca_pixel_shader_inreg:
; GCN: s_mov_b32 s8, SCRATCH_RSRC_DWORD0
; GCN: s_mov_b32 s9, SCRATCH_RSRC_DWORD1
; GCN: s_mov_b32 s10, -1
; CI: s_mov_b32 s11, 0x98f000
; VI: s_mov_b32 s11, 0x980000
; GCN: buffer_store_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
; GCN: buffer_load_dword {{v[0-9]+}}, {{v[0-9]+}}, s[8:11], s1 offen
; ALL: ; ScratchSize: 32772
define void @large_alloca_pixel_shader_inreg(i32 inreg %x, i32 inreg %y) #1 {
%large = alloca [8192 x i32], align 4
%gep = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 8191
store volatile i32 %x, i32* %gep
%gep1 = getelementptr [8192 x i32], [8192 x i32]* %large, i32 0, i32 %y
%val = load volatile i32, i32* %gep1
store volatile i32 %val, i32 addrspace(1)* undef
ret void
}
attributes #0 = { nounwind }
attributes #1 = { nounwind "ShaderType"="0" }
|
