| ; RUN: llc -global-isel=0 -amdgpu-fixed-function-abi=0 -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefixes=GCN,SDAG %s |
| ; RUN: llc -global-isel=1 -amdgpu-fixed-function-abi=1 -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefixes=GCN,GISEL %s |
| |
| ; GCN-LABEL: {{^}}test_call_undef: |
| ; 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: |
| ; SDAG: s_waitcnt |
| ; SDAG-NEXT: .Lfunc_end |
| |
| ; GISEL: s_setpc_b64 s{{\[[0-9]+:[0-9]+\]}} |
| define i32 @test_tail_call_undef() #0 { |
| %call = tail call i32 undef(i32 1) |
| ret i32 %call |
| } |
| |
| ; GCN-LABEL: {{^}}test_call_null: |
| ; GISEL: s_swappc_b64 s{{\[[0-9]+:[0-9]+\]}}, 0{{$}} |
| ; 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: |
| ; SDAG: s_waitcnt |
| ; SDAG-NEXT: .Lfunc_end |
| |
| ; GISEL: s_setpc_b64 s{{\[[0-9]+:[0-9]+\]$}} |
| define i32 @test_tail_call_null() #0 { |
| %call = tail call i32 null(i32 1) |
| ret i32 %call |
| } |