xref: /llvm-project/llvm/test/Transforms/InferAddressSpaces/AMDGPU/no-flat-addrspace.ll (revision 5651af896c3df30da9edd101b1fb17c00de6636d)
1; RUN: opt -S -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -passes=infer-address-spaces %s | FileCheck %s
2
3; Make sure addrspace(0) is still treated as flat on targets without
4; flat instructions. It's still flat, it just doesn't work.
5
6; CHECK-LABEL: @load_flat_from_global(
7; CHECK-NEXT: %tmp1 = load float, ptr addrspace(1) %ptr
8; CHECK-NEXT: ret float %tmp1
9define float @load_flat_from_global(ptr addrspace(1) %ptr) #0 {
10  %tmp0 = addrspacecast ptr addrspace(1) %ptr to ptr
11  %tmp1 = load float, ptr %tmp0
12  ret float %tmp1
13}
14