diff options
Diffstat (limited to 'test/CodeGen/AMDGPU/address-space.ll')
| -rw-r--r-- | test/CodeGen/AMDGPU/address-space.ll | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/test/CodeGen/AMDGPU/address-space.ll b/test/CodeGen/AMDGPU/address-space.ll new file mode 100644 index 000000000000..4be8c5847529 --- /dev/null +++ b/test/CodeGen/AMDGPU/address-space.ll @@ -0,0 +1,36 @@ +; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck %s +; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck %s + +; Test that codegenprepare understands address space sizes + +%struct.foo = type { [3 x float], [3 x float] } + +; FIXME: Extra V_MOV from SGPR to VGPR for second read. The address is +; already in a VGPR after the first read. + +; CHECK-LABEL: {{^}}do_as_ptr_calcs: +; CHECK: s_load_dword [[SREG1:s[0-9]+]], +; CHECK: v_mov_b32_e32 [[VREG2:v[0-9]+]], [[SREG1]] +; CHECK: v_mov_b32_e32 [[VREG1:v[0-9]+]], [[SREG1]] +; CHECK-DAG: ds_read_b32 v{{[0-9]+}}, [[VREG1]] offset:12 +; CHECK-DAG: ds_read_b32 v{{[0-9]+}}, [[VREG2]] offset:20 +define void @do_as_ptr_calcs(%struct.foo addrspace(3)* nocapture %ptr) nounwind { +entry: + %x = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 0 + %y = getelementptr inbounds %struct.foo, %struct.foo addrspace(3)* %ptr, i32 0, i32 1, i32 2 + br label %bb32 + +bb32: + %a = load float, float addrspace(3)* %x, align 4 + %b = load float, float addrspace(3)* %y, align 4 + %cmp = fcmp one float %a, %b + br i1 %cmp, label %bb34, label %bb33 + +bb33: + unreachable + +bb34: + unreachable +} + + |