| ; RUN: llc -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefix=GCN %s |
| |
| ; FIXME: Emitting unnecessary flat_scratch setup |
| |
| ; GCN-LABEL: {{^}}test_call_undef: |
| ; GCN: s_mov_b32 s8, s7 |
| ; GCN: s_mov_b32 flat_scratch_lo, s5 |
| ; GCN: s_add_u32 s4, s4, s8 |
| ; GCN: s_lshr_b32 |
| ; GCN: s_endpgm |
| define amdgpu_kernel void @test_call_undef() #0 { |
| %val = call i32 undef(i32 1) |
| %op = add i32 %val, 1 |
| store volatile i32 %op, i32 addrspace(1)* undef |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}test_tail_call_undef: |
| ; GCN: s_waitcnt |
| ; GCN-NEXT: .Lfunc_end |
| define i32 @test_tail_call_undef() #0 { |
| %call = tail call i32 undef(i32 1) |
| ret i32 %call |
| } |
| |
| ; GCN-LABEL: {{^}}test_call_null: |
| ; GCN: s_mov_b32 s8, s7 |
| ; GCN: s_mov_b32 flat_scratch_lo, s5 |
| ; GCN: s_add_u32 s4, s4, s8 |
| ; GCN: s_lshr_b32 |
| ; GCN: s_endpgm |
| define amdgpu_kernel void @test_call_null() #0 { |
| %val = call i32 null(i32 1) |
| %op = add i32 %val, 1 |
| store volatile i32 %op, i32 addrspace(1)* null |
| ret void |
| } |
| |
| ; GCN-LABEL: {{^}}test_tail_call_null: |
| ; GCN: s_waitcnt |
| ; GCN-NEXT: .Lfunc_end |
| define i32 @test_tail_call_null() #0 { |
| %call = tail call i32 null(i32 1) |
| ret i32 %call |
| } |