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
|
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -strict-whitespace -check-prefix=SI %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -strict-whitespace -check-prefix=SI %s
@lds = addrspace(3) global [512 x float] undef, align 4
; offset0 is larger than offset1
; SI-LABEL: {{^}}offset_order:
; SI-DAG: ds_read2st64_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset1:4{{$}}
; SI-DAG: ds_read2_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:2 offset1:3
; SI-DAG: ds_read_b32 v{{[0-9]+}}, v{{[0-9]+}} offset:56
; SI-DAG: ds_read2_b32 v[{{[0-9]+}}:{{[0-9]+}}], v{{[0-9]+}} offset0:11 offset1:12
define amdgpu_kernel void @offset_order(float addrspace(1)* %out) {
entry:
%ptr0 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 0
%val0 = load float, float addrspace(3)* %ptr0
%ptr1 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 256
%val1 = load float, float addrspace(3)* %ptr1
%add1 = fadd float %val0, %val1
%ptr2 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 3
%val2 = load float, float addrspace(3)* %ptr2
%add2 = fadd float %add1, %val2
%ptr3 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 2
%val3 = load float, float addrspace(3)* %ptr3
%add3 = fadd float %add2, %val3
%ptr4 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 12
%val4 = load float, float addrspace(3)* %ptr4
%add4 = fadd float %add3, %val4
%ptr5 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 14
%val5 = load float, float addrspace(3)* %ptr5
%add5 = fadd float %add4, %val5
%ptr6 = getelementptr inbounds [512 x float], [512 x float] addrspace(3)* @lds, i32 0, i32 11
%val6 = load float, float addrspace(3)* %ptr6
%add6 = fadd float %add5, %val6
store float %add6, float addrspace(1)* %out
ret void
}
|
