1; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck %s
2; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s
3
4; Test that codegenprepare understands address space sizes
5
6%struct.foo = type { [3 x float], [3 x float] }
7
8; FIXME: Extra V_MOV from SGPR to VGPR for second read. The address is
9; already in a VGPR after the first read.
10
11; CHECK-LABEL: {{^}}do_as_ptr_calcs:
12; CHECK: s_load_dword [[SREG1:s[0-9]+]],
13; CHECK: v_mov_b32_e32 [[VREG2:v[0-9]+]], [[SREG1]]
14; CHECK: v_mov_b32_e32 [[VREG1:v[0-9]+]], [[SREG1]]
15; CHECK-DAG: ds_read_b32 v{{[0-9]+}}, [[VREG1]] offset:12
16; CHECK-DAG: ds_read_b32 v{{[0-9]+}}, [[VREG2]] offset:20
17define void @do_as_ptr_calcs(%struct.foo addrspace(3)* nocapture %ptr) nounwind {
18entry:
19  %x = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 0
20  %y = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 2
21  br label %bb32
22
23bb32:
24  %a = load float, float addrspace(3)* %x, align 4
25  %b = load float, float addrspace(3)* %y, align 4
26  %cmp = fcmp one float %a, %b
27  br i1 %cmp, label %bb34, label %bb33
28
29bb33:
30  unreachable
31
32bb34:
33  unreachable
34}
35
36
37