57 lines
1.3 KiB
LLVM
57 lines
1.3 KiB
LLVM
; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
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; GCN-LABEL: {{^}}lower_control_flow_unreachable_terminator:
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; GCN: v_cmp_eq_i32
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; GCN: s_and_saveexec_b64
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; GCN: s_xor_b64
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; GCN: s_branch BB0_1
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; GCN: s_or_b64 exec, exec
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; GCN: s_endpgm
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; GCN: ds_write_b32
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; GCN: s_waitcnt
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define void @lower_control_flow_unreachable_terminator() #0 {
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bb:
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%tmp15 = tail call i32 @llvm.amdgcn.workitem.id.y()
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%tmp63 = icmp eq i32 %tmp15, 32
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br i1 %tmp63, label %bb64, label %bb68
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bb64:
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store volatile i32 0, i32 addrspace(3)* undef, align 4
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unreachable
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bb68:
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ret void
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}
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; GCN-LABEL: {{^}}lower_control_flow_unreachable_terminator_swap_block_order:
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; GCN: v_cmp_eq_i32
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; GCN: s_and_saveexec_b64
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; GCN: s_xor_b64
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; GCN: s_endpgm
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; GCN: s_or_b64 exec, exec
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; GCN: ds_write_b32
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; GCN: s_waitcnt
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define void @lower_control_flow_unreachable_terminator_swap_block_order() #0 {
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bb:
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%tmp15 = tail call i32 @llvm.amdgcn.workitem.id.y()
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%tmp63 = icmp eq i32 %tmp15, 32
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br i1 %tmp63, label %bb68, label %bb64
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bb68:
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ret void
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bb64:
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store volatile i32 0, i32 addrspace(3)* undef, align 4
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unreachable
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}
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; Function Attrs: nounwind readnone
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declare i32 @llvm.amdgcn.workitem.id.y() #1
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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attributes #2 = { nounwind }
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