xref: /llvm-project/llvm/test/CodeGen/SPIRV/transcoding/memory_access.ll (revision 8468e67495eda83e2490224be46967ddc29821d2)
1; RUN: llc -O0 -mtriple=spirv64-unknown-unknown %s -o - | FileCheck %s --check-prefix=CHECK-SPIRV
2
3; CHECK-SPIRV-NOT: OpStore %[[#]] %[[#]] Volatile Aligned 8
4; CHECK-SPIRV:     OpStore %[[#]] %[[#]] Volatile|Aligned 8
5; CHECK-SPIRV-NOT: %[[#]] = OpLoad %[[#]] %[[#]] Volatile Aligned 8
6; CHECK-SPIRV:     %[[#]] = OpLoad %[[#]] %[[#]] Volatile|Aligned 8
7; CHECK-SPIRV:     %[[#]] = OpLoad %[[#]] %[[#]] Aligned 4
8; CHECK-SPIRV-NOT: %[[#]] = OpLoad %[[#]] %[[#]] Volatile Aligned 8
9; CHECK-SPIRV:     %[[#]] = OpLoad %[[#]] %[[#]] Volatile|Aligned 8
10; CHECK-SPIRV-NOT: %[[#]] = OpLoad %[[#]] %[[#]] Volatile Aligned 0
11; CHECK-SPIRV:     %[[#]] = OpLoad %[[#]] %[[#]] Volatile|Aligned 8
12; CHECK-SPIRV-NOT: %[[#]] = OpLoad %[[#]] %[[#]] Volatile Aligned 8
13; CHECK-SPIRV:     %[[#]] = OpLoad %[[#]] %[[#]] Volatile|Aligned|Nontemporal 8
14; CHECK-SPIRV-NOT: OpStore %[[#]] %[[#]] Aligned 4
15; CHECK-SPIRV:     OpStore %[[#]] %[[#]] Aligned|Nontemporal 4
16; CHECK-SPIRV-NOT: OpStore %[[#]] %[[#]] Aligned 0
17; CHECK-SPIRV:     OpStore %[[#]] %[[#]]
18
19define spir_kernel void @test_load_store(i32 addrspace(1)* %destMemory, i32 addrspace(1)* %oldValues, i32 %newValue) {
20entry:
21  %ptr = alloca i32 addrspace(4)*, align 8
22  %0 = addrspacecast i32 addrspace(1)* %oldValues to i32 addrspace(4)*
23  store volatile i32 addrspace(4)* %0, i32 addrspace(4)** %ptr, align 8
24  %1 = load volatile i32 addrspace(4)*, i32 addrspace(4)** %ptr, align 8
25  %2 = load i32, i32 addrspace(4)* %1, align 4
26  %call = call spir_func i32 @_Z14atomic_cmpxchgPVU3AS1iii(i32 addrspace(1)* %destMemory, i32 %2, i32 %newValue)
27  %3 = load volatile i32 addrspace(4)*, i32 addrspace(4)** %ptr, align 8
28  %4 = load volatile i32 addrspace(4)*, i32 addrspace(4)** %ptr
29  %5 = load volatile i32 addrspace(4)*, i32 addrspace(4)** %ptr, align 8, !nontemporal !9
30  %arrayidx = getelementptr inbounds i32, i32 addrspace(4)* %3, i64 0
31  store i32 %call, i32 addrspace(4)* %arrayidx, align 4, !nontemporal !9
32  store i32 addrspace(4)* %5, i32 addrspace(4)** %ptr
33  ret void
34}
35
36declare spir_func i32 @_Z14atomic_cmpxchgPVU3AS1iii(i32 addrspace(1)*, i32, i32)
37
38!9 = !{i32 1}
39