xref: /llvm-project/llvm/test/CodeGen/AMDGPU/flat-offset-bug.ll (revision 9e9907f1cfa424366fba58d9520f9305b537cec9)
1; RUN: llc -mtriple=amdgcn -mcpu=gfx900 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX9_11 %s
2; RUN: llc -mtriple=amdgcn -mcpu=gfx1010 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX10 %s
3; RUN: llc -mtriple=amdgcn -mcpu=gfx1100 -verify-machineinstrs < %s | FileCheck -check-prefixes=GCN,GFX9_11 %s
4
5; GCN-LABEL: flat_inst_offset:
6; GFX9_11: flat_load_{{dword|b32}} v{{[0-9]+}}, v[{{[0-9:]+}}] offset:4
7; GFX9_11: flat_store_{{dword|b32}} v[{{[0-9:]+}}], v{{[0-9]+}} offset:4
8; GFX10: flat_load_dword v{{[0-9]+}}, v[{{[0-9:]+}}]{{$}}
9; GFX10: flat_store_dword v[{{[0-9:]+}}], v{{[0-9]+}}{{$}}
10define void @flat_inst_offset(ptr nocapture %p) {
11  %gep = getelementptr inbounds i32, ptr %p, i64 1
12  %load = load i32, ptr %gep, align 4
13  %inc = add nsw i32 %load, 1
14  store i32 %inc, ptr %gep, align 4
15  ret void
16}
17
18; GCN-LABEL: global_inst_offset:
19; GCN: global_load_{{dword|b32}} v{{[0-9]+}}, v[{{[0-9:]+}}], off offset:4
20; GCN: global_store_{{dword|b32}} v[{{[0-9:]+}}], v{{[0-9]+}}, off offset:4
21define void @global_inst_offset(ptr addrspace(1) nocapture %p) {
22  %gep = getelementptr inbounds i32, ptr addrspace(1) %p, i64 1
23  %load = load i32, ptr addrspace(1) %gep, align 4
24  %inc = add nsw i32 %load, 1
25  store i32 %inc, ptr addrspace(1) %gep, align 4
26  ret void
27}
28
29; GCN-LABEL: load_i16_lo:
30; GFX9_11: flat_load_{{short_d16|d16_b16}} v{{[0-9]+}}, v[{{[0-9:]+}}] offset:8{{$}}
31; GFX10: flat_load_short_d16 v{{[0-9]+}}, v[{{[0-9:]+}}]{{$}}
32define amdgpu_kernel void @load_i16_lo(ptr %arg, ptr %out) {
33  %gep = getelementptr inbounds i16, ptr %arg, i32 4
34  %ld = load i16, ptr %gep, align 2
35  %vec = insertelement <2 x i16> <i16 undef, i16 0>, i16 %ld, i32 0
36  %v = add <2 x i16> %vec, %vec
37  store <2 x i16> %v, ptr %out, align 4
38  ret void
39}
40
41; GCN-LABEL: load_i16_hi:
42; GFX9_11: flat_load_{{short_d16_hi|d16_hi_b16}} v{{[0-9]+}}, v[{{[0-9:]+}}] offset:8{{$}}
43; GFX10: flat_load_short_d16_hi v{{[0-9]+}}, v[{{[0-9:]+}}]{{$}}
44define amdgpu_kernel void @load_i16_hi(ptr %arg, ptr %out) {
45  %gep = getelementptr inbounds i16, ptr %arg, i32 4
46  %ld = load i16, ptr %gep, align 2
47  %vec = insertelement <2 x i16> <i16 0, i16 undef>, i16 %ld, i32 1
48  %v = add <2 x i16> %vec, %vec
49  store <2 x i16> %v, ptr %out, align 4
50  ret void
51}
52
53; GCN-LABEL: load_half_lo:
54; GFX9_11: flat_load_{{short_d16|d16_b16}} v{{[0-9]+}}, v[{{[0-9:]+}}] offset:8{{$}}
55; GFX10: flat_load_short_d16 v{{[0-9]+}}, v[{{[0-9:]+}}]{{$}}
56define amdgpu_kernel void @load_half_lo(ptr %arg, ptr %out) {
57  %gep = getelementptr inbounds half, ptr %arg, i32 4
58  %ld = load half, ptr %gep, align 2
59  %vec = insertelement <2 x half> <half undef, half 0xH0000>, half %ld, i32 0
60  %v = fadd <2 x half> %vec, %vec
61  store <2 x half> %v, ptr %out, align 4
62  ret void
63}
64
65; GCN-LABEL: load_half_hi:
66; GFX9_11: flat_load_{{short_d16_hi|d16_hi_b16}} v{{[0-9]+}}, v[{{[0-9:]+}}] offset:8{{$}}
67; GFX10: flat_load_short_d16_hi v{{[0-9]+}}, v[{{[0-9:]+}}]{{$}}
68define amdgpu_kernel void @load_half_hi(ptr %arg, ptr %out) {
69  %gep = getelementptr inbounds half, ptr %arg, i32 4
70  %ld = load half, ptr %gep, align 2
71  %vec = insertelement <2 x half> <half 0xH0000, half undef>, half %ld, i32 1
72  %v = fadd <2 x half> %vec, %vec
73  store <2 x half> %v, ptr %out, align 4
74  ret void
75}
76
77; GCN-LABEL: load_float_lo:
78; GFX9_11: flat_load_{{dword|b32}} v{{[0-9]+}}, v[{{[0-9:]+}}] offset:16{{$}}
79; GFX10: flat_load_dword v{{[0-9]+}}, v[{{[0-9:]+}}]{{$}}
80define amdgpu_kernel void @load_float_lo(ptr %arg, ptr %out) {
81  %gep = getelementptr inbounds float, ptr %arg, i32 4
82  %ld = load float, ptr %gep, align 4
83  %v = fadd float %ld, %ld
84  store float %v, ptr %out, align 4
85  ret void
86}
87