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1; RUN: llc -global-isel=0 -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefixes=GCN,SDAG %s2; RUN: llc -global-isel=1 -mtriple=amdgcn-amd-amdhsa < %s | FileCheck -check-prefixes=GCN,GISEL %s3 4; GCN-LABEL: {{^}}test_call_undef:5; GCN: s_endpgm6define amdgpu_kernel void @test_call_undef() #0 {7 %val = call i32 undef(i32 1)8 %op = add i32 %val, 19 store volatile i32 %op, ptr addrspace(1) poison10 ret void11}12 13; GCN-LABEL: {{^}}test_tail_call_undef:14; SDAG: s_waitcnt15; SDAG-NEXT: .Lfunc_end16 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 %call21}22 23; GCN-LABEL: {{^}}test_call_null:24; GISEL: s_swappc_b64 s{{\[[0-9]+:[0-9]+\]}}, 0{{$}}25; GCN: s_endpgm26define amdgpu_kernel void @test_call_null() #0 {27 %val = call i32 null(i32 1)28 %op = add i32 %val, 129 store volatile i32 %op, ptr addrspace(1) null30 ret void31}32 33; GCN-LABEL: {{^}}test_tail_call_null:34; SDAG: s_waitcnt35; SDAG-NEXT: .Lfunc_end36 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 %call41}42