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
|
; RUN: llc -O0 -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -mattr=+promote-alloca < %s | FileCheck -check-prefix=NOOPTS -check-prefix=ALL %s
; RUN: llc -O1 -march=amdgcn -mtriple=amdgcn-unknown-amdhsa -mcpu=kaveri -mattr=+promote-alloca < %s | FileCheck -check-prefix=OPTS -check-prefix=ALL %s
; ALL-LABEL: {{^}}promote_alloca_i32_array_array:
; NOOPTS: workgroup_group_segment_byte_size = 0{{$}}
; NOOPTS-NOT: ds_write
; OPTS: ds_write
define amdgpu_kernel void @promote_alloca_i32_array_array(ptr addrspace(1) %out, i32 %index) #0 {
entry:
%alloca = alloca [2 x [2 x i32]], addrspace(5)
%gep1 = getelementptr inbounds [2 x [2 x i32]], ptr addrspace(5) %alloca, i32 0, i32 0, i32 1
store i32 0, ptr addrspace(5) %alloca
store i32 1, ptr addrspace(5) %gep1
%gep2 = getelementptr inbounds [2 x [2 x i32]], ptr addrspace(5) %alloca, i32 0, i32 0, i32 %index
%load = load i32, ptr addrspace(5) %gep2
store i32 %load, ptr addrspace(1) %out
ret void
}
; ALL-LABEL: {{^}}optnone_promote_alloca_i32_array_array:
; ALL: workgroup_group_segment_byte_size = 0{{$}}
; ALL-NOT: ds_write
define amdgpu_kernel void @optnone_promote_alloca_i32_array_array(ptr addrspace(1) %out, i32 %index) #1 {
entry:
%alloca = alloca [2 x [2 x i32]], addrspace(5)
%gep1 = getelementptr inbounds [2 x [2 x i32]], ptr addrspace(5) %alloca, i32 0, i32 0, i32 1
store i32 0, ptr addrspace(5) %alloca
store i32 1, ptr addrspace(5) %gep1
%gep2 = getelementptr inbounds [2 x [2 x i32]], ptr addrspace(5) %alloca, i32 0, i32 0, i32 %index
%load = load i32, ptr addrspace(5) %gep2
store i32 %load, ptr addrspace(1) %out
ret void
}
attributes #0 = { nounwind "amdgpu-flat-work-group-size"="64,64" }
attributes #1 = { nounwind optnone noinline "amdgpu-flat-work-group-size"="64,64" }
!llvm.module.flags = !{!0}
!0 = !{i32 1, !"amdgpu_code_object_version", i32 200}
|
