; RUN: llc -mtriple=amdgcn-amd-amdhsa -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s ; Combine on select c, (load x), (load y) -> load (select c, x, y) ; drops MachinePointerInfo, so it can't be relied on for correctness. ; GCN-LABEL: {{^}}select_ptr_crash_i64_flat: ; GCN: s_load_dwordx2 ; GCN: s_load_dwordx2 ; GCN: s_load_dwordx2 ; GCN: v_cmp_eq_u32 ; GCN: v_cndmask_b32 ; GCN: v_cndmask_b32 ; GCN-NOT: load_dword ; GCN: flat_load_dwordx2 ; GCN-NOT: load_dword ; GCN: flat_store_dwordx2 define amdgpu_kernel void @select_ptr_crash_i64_flat(i32 %tmp, [8 x i32], i64* %ptr0, [8 x i32], i64* %ptr1, [8 x i32], i64 addrspace(1)* %ptr2) { %tmp2 = icmp eq i32 %tmp, 0 %tmp3 = load i64, i64* %ptr0, align 8 %tmp4 = load i64, i64* %ptr1, align 8 %tmp5 = select i1 %tmp2, i64 %tmp3, i64 %tmp4 store i64 %tmp5, i64 addrspace(1)* %ptr2, align 8 ret void } ; The transform currently doesn't happen for non-addrspace 0, but it ; should. ; GCN-LABEL: {{^}}select_ptr_crash_i64_global: ; GCN: s_load_dwordx2 ; GCN: s_load_dwordx2 ; GCN: s_load_dwordx2 ; GCN: s_load_dwordx2 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x0{{$}} ; GCN: s_load_dwordx2 s{{\[[0-9]+:[0-9]+\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x0{{$}} ; GCN: v_cndmask_b32 ; GCN: v_cndmask_b32 ; GCN: flat_store_dwordx2 define amdgpu_kernel void @select_ptr_crash_i64_global(i32 %tmp, [8 x i32], i64 addrspace(1)* %ptr0, [8 x i32], i64 addrspace(1)* %ptr1, [8 x i32], i64 addrspace(1)* %ptr2) { %tmp2 = icmp eq i32 %tmp, 0 %tmp3 = load i64, i64 addrspace(1)* %ptr0, align 8 %tmp4 = load i64, i64 addrspace(1)* %ptr1, align 8 %tmp5 = select i1 %tmp2, i64 %tmp3, i64 %tmp4 store i64 %tmp5, i64 addrspace(1)* %ptr2, align 8 ret void } ; GCN-LABEL: {{^}}select_ptr_crash_i64_local: ; GCN: ds_read_b64 ; GCN: ds_read_b64 ; GCN: v_cndmask_b32 ; GCN: v_cndmask_b32 ; GCN: flat_store_dwordx2 define amdgpu_kernel void @select_ptr_crash_i64_local(i32 %tmp, i64 addrspace(3)* %ptr0, i64 addrspace(3)* %ptr1, i64 addrspace(1)* %ptr2) { %tmp2 = icmp eq i32 %tmp, 0 %tmp3 = load i64, i64 addrspace(3)* %ptr0, align 8 %tmp4 = load i64, i64 addrspace(3)* %ptr1, align 8 %tmp5 = select i1 %tmp2, i64 %tmp3, i64 %tmp4 store i64 %tmp5, i64 addrspace(1)* %ptr2, align 8 ret void } ; The transform will break addressing mode matching, so unclear it ; would be good to do ; GCN-LABEL: {{^}}select_ptr_crash_i64_local_offsets: ; GCN: ds_read_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}} offset:128 ; GCN: ds_read_b64 {{v\[[0-9]+:[0-9]+\]}}, v{{[0-9]+}} offset:512 ; GCN: v_cndmask_b32 ; GCN: v_cndmask_b32 define amdgpu_kernel void @select_ptr_crash_i64_local_offsets(i32 %tmp, i64 addrspace(3)* %ptr0, i64 addrspace(3)* %ptr1, i64 addrspace(1)* %ptr2) { %tmp2 = icmp eq i32 %tmp, 0 %gep0 = getelementptr inbounds i64, i64 addrspace(3)* %ptr0, i64 16 %gep1 = getelementptr inbounds i64, i64 addrspace(3)* %ptr1, i64 64 %tmp3 = load i64, i64 addrspace(3)* %gep0, align 8 %tmp4 = load i64, i64 addrspace(3)* %gep1, align 8 %tmp5 = select i1 %tmp2, i64 %tmp3, i64 %tmp4 store i64 %tmp5, i64 addrspace(1)* %ptr2, align 8 ret void }