diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/R600/indirect-addressing.ll | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/test/CodeGen/R600/indirect-addressing.ll b/test/CodeGen/R600/indirect-addressing.ll index bd72cd9..1ef6c35 100644 --- a/test/CodeGen/R600/indirect-addressing.ll +++ b/test/CodeGen/R600/indirect-addressing.ll @@ -63,3 +63,42 @@ entry: store i32 %0, i32 addrspace(1)* %out ret void } + +; Test direct access of a private array inside a loop. The private array +; loads and stores should be lowered to copies, so there shouldn't be any +; MOVA instructions. + +; CHECK: @direct_loop +; CHECK-NOT: MOVA_INT + +define void @direct_loop(i32 addrspace(1)* %out, i32 addrspace(1)* %in) { +entry: + %prv_array_const = alloca [2 x i32] + %prv_array = alloca [2 x i32] + %a = load i32 addrspace(1)* %in + %b_src_ptr = getelementptr i32 addrspace(1)* %in, i32 1 + %b = load i32 addrspace(1)* %b_src_ptr + %a_dst_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 0 + store i32 %a, i32* %a_dst_ptr + %b_dst_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 1 + store i32 %b, i32* %b_dst_ptr + br label %for.body + +for.body: + %inc = phi i32 [0, %entry], [%count, %for.body] + %x_ptr = getelementptr [2 x i32]* %prv_array_const, i32 0, i32 0 + %x = load i32* %x_ptr + %y_ptr = getelementptr [2 x i32]* %prv_array, i32 0, i32 0 + %y = load i32* %y_ptr + %xy = add i32 %x, %y + store i32 %xy, i32* %y_ptr + %count = add i32 %inc, 1 + %done = icmp eq i32 %count, 4095 + br i1 %done, label %for.end, label %for.body + +for.end: + %value_ptr = getelementptr [2 x i32]* %prv_array, i32 0, i32 0 + %value = load i32* %value_ptr + store i32 %value, i32 addrspace(1)* %out + ret void +} |