xref: /llvm-project/llvm/test/CodeGen/SPIRV/logical-struct-access.ll (revision 59e5cb7b83fbbce2423e0c024861f83c0390670f) 
1; RUN: llc -O0 -mtriple=spirv-unknown-unknown %s -o - | FileCheck %s
2
3; CHECK-DAG: [[uint:%[0-9]+]] = OpTypeInt 32 0
4
5%A = type {
6  i32,
7  i32
8}
9; CHECK-DAG:    [[A:%[0-9]+]] = OpTypeStruct [[uint]] [[uint]]
10
11%B = type {
12  %A,
13  i32,
14  %A
15}
16; CHECK-DAG:    [[B:%[0-9]+]] = OpTypeStruct [[A]] [[uint]] [[A]]
17
18; CHECK-DAG: [[uint_0:%[0-9]+]] = OpConstant [[uint]] 0
19; CHECK-DAG: [[uint_1:%[0-9]+]] = OpConstant [[uint]] 1
20; CHECK-DAG: [[uint_2:%[0-9]+]] = OpConstant [[uint]] 2
21
22; CHECK-DAG: [[ptr_uint:%[0-9]+]] = OpTypePointer Function [[uint]]
23; CHECK-DAG:    [[ptr_A:%[0-9]+]] = OpTypePointer Function [[A]]
24; CHECK-DAG:    [[ptr_B:%[0-9]+]] = OpTypePointer Function [[B]]
25
26define void @main() #1 {
27entry:
28  %0 = alloca %B, align 4
29; CHECK: [[tmp:%[0-9]+]] = OpVariable [[ptr_B]] Function
30
31  %1 = getelementptr %B, ptr %0, i32 0, i32 0
32; CHECK: {{%[0-9]+}} = OpAccessChain [[ptr_A]] [[tmp]] [[uint_0]]
33  %2 = getelementptr inbounds %B, ptr %0, i32 0, i32 0
34; CHECK: {{%[0-9]+}} = OpInBoundsAccessChain [[ptr_A]] [[tmp]] [[uint_0]]
35
36  %3 = getelementptr %B, ptr %0, i32 0, i32 1
37; CHECK: {{%[0-9]+}} = OpAccessChain [[ptr_uint]] [[tmp]] [[uint_1]]
38  %4 = getelementptr inbounds %B, ptr %0, i32 0, i32 1
39; CHECK: {{%[0-9]+}} = OpInBoundsAccessChain [[ptr_uint]] [[tmp]] [[uint_1]]
40
41  %5 = getelementptr %B, ptr %0, i32 0, i32 2
42; CHECK: {{%[0-9]+}} = OpAccessChain [[ptr_A]] [[tmp]] [[uint_2]]
43  %6 = getelementptr inbounds %B, ptr %0, i32 0, i32 2
44; CHECK: {{%[0-9]+}} = OpInBoundsAccessChain [[ptr_A]] [[tmp]] [[uint_2]]
45
46  %7 = getelementptr %B, ptr %0, i32 0, i32 2, i32 1
47; CHECK: {{%[0-9]+}} = OpAccessChain [[ptr_uint]] [[tmp]] [[uint_2]] [[uint_1]]
48  %8 = getelementptr inbounds %B, ptr %0, i32 0, i32 2, i32 1
49; CHECK: {{%[0-9]+}} = OpInBoundsAccessChain [[ptr_uint]] [[tmp]] [[uint_2]] [[uint_1]]
50
51  %9 = getelementptr %B, ptr %0, i32 0, i32 2
52  %10 = getelementptr %A, ptr %9, i32 0, i32 1
53; CHECK: [[x:%[0-9]+]] = OpAccessChain [[ptr_A]] [[tmp]] [[uint_2]]
54; CHECK:   {{%[0-9]+}} = OpAccessChain [[ptr_uint]] [[x]] [[uint_1]]
55
56  ret void
57}
58
59attributes #1 = { "hlsl.numthreads"="4,8,16" "hlsl.shader"="compute" }
60