1; RUN: llc -global-isel=0 -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefixes=GCN,SDAG %s 2; RUN: llc -global-isel=1 -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefixes=GCN,GISEL %s 3 4; GCN-LABEL: {{^}}test_call_undef: 5; GCN: s_endpgm 6define amdgpu_kernel void @test_call_undef() #0 { 7 %val = call i32 undef(i32 1) 8 %op = add i32 %val, 1 9 store volatile i32 %op, ptr addrspace(1) undef 10 ret void 11} 12 13; GCN-LABEL: {{^}}test_tail_call_undef: 14; SDAG: s_waitcnt 15; SDAG-NEXT: .Lfunc_end 16 17; GISEL: s_setpc_b64 s{{\[[0-9]+:[0-9]+\]}} 18define i32 @test_tail_call_undef() #0 { 19 %call = tail call i32 undef(i32 1) 20 ret i32 %call 21} 22 23; GCN-LABEL: {{^}}test_call_null: 24; GISEL: s_swappc_b64 s{{\[[0-9]+:[0-9]+\]}}, 0{{$}} 25; GCN: s_endpgm 26define amdgpu_kernel void @test_call_null() #0 { 27 %val = call i32 null(i32 1) 28 %op = add i32 %val, 1 29 store volatile i32 %op, ptr addrspace(1) null 30 ret void 31} 32 33; GCN-LABEL: {{^}}test_tail_call_null: 34; SDAG: s_waitcnt 35; SDAG-NEXT: .Lfunc_end 36 37; GISEL: s_setpc_b64 s{{\[[0-9]+:[0-9]+\]$}} 38define i32 @test_tail_call_null() #0 { 39 %call = tail call i32 null(i32 1) 40 ret i32 %call 41} 42