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Imported Upstream version 5.18.0.246

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Former-commit-id: 0c7ce5b1a7851e13f22acfd379b7f9fb304e4833
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Xamarin Public Jenkins (auto-signing)
2019-01-23 08:21:40 +00:00
parent a7724cd563
commit 279aa8f685
28482 changed files with 3866972 additions and 44 deletions
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80
external/llvm/test/CodeGen/AMDGPU/si-lower-control-flow-unreachable-block.ll vendored Normal file
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; RUN: llc -march=amdgcn -verify-machineinstrs < %s | FileCheck -check-prefix=GCN %s
; GCN-LABEL: {{^}}lower_control_flow_unreachable_terminator:
; GCN: v_cmp_eq_u32
; GCN: s_and_saveexec_b64
; GCN: ; mask branch [[RET:BB[0-9]+_[0-9]+]]
; GCN-NEXT: BB{{[0-9]+_[0-9]+}}: ; %unreachable
; GCN: ds_write_b32
; GCN: ; divergent unreachable
; GCN-NEXT: [[RET]]: ; %UnifiedReturnBlock
; GCN: s_endpgm
define amdgpu_kernel void @lower_control_flow_unreachable_terminator() #0 {
bb:
%tmp15 = tail call i32 @llvm.amdgcn.workitem.id.y()
%tmp63 = icmp eq i32 %tmp15, 32
br i1 %tmp63, label %unreachable, label %ret
unreachable:
store volatile i32 0, i32 addrspace(3)* undef, align 4
unreachable
ret:
ret void
}
; GCN-LABEL: {{^}}lower_control_flow_unreachable_terminator_swap_block_order:
; GCN: v_cmp_ne_u32
; GCN: s_and_saveexec_b64
; GCN: ; mask branch [[RETURN:BB[0-9]+_[0-9]+]]
; GCN-NEXT: {{^BB[0-9]+_[0-9]+}}: ; %unreachable
; GCN: ds_write_b32
; GCN: ; divergent unreachable
; GCN: [[RETURN]]:
; GCN-NEXT: s_endpgm
define amdgpu_kernel void @lower_control_flow_unreachable_terminator_swap_block_order() #0 {
bb:
%tmp15 = tail call i32 @llvm.amdgcn.workitem.id.y()
%tmp63 = icmp eq i32 %tmp15, 32
br i1 %tmp63, label %ret, label %unreachable
ret:
ret void
unreachable:
store volatile i32 0, i32 addrspace(3)* undef, align 4
unreachable
}
; GCN-LABEL: {{^}}uniform_lower_control_flow_unreachable_terminator:
; GCN: s_cmp_lg_u32
; GCN: s_cbranch_scc0 [[UNREACHABLE:BB[0-9]+_[0-9]+]]
; GCN-NEXT: %bb.{{[0-9]+}}: ; %ret
; GCN-NEXT: s_endpgm
; GCN: [[UNREACHABLE]]:
; GCN: ds_write_b32
define amdgpu_kernel void @uniform_lower_control_flow_unreachable_terminator(i32 %arg0) #0 {
bb:
%tmp63 = icmp eq i32 %arg0, 32
br i1 %tmp63, label %unreachable, label %ret
unreachable:
store volatile i32 0, i32 addrspace(3)* undef, align 4
unreachable
ret:
ret void
}
declare i32 @llvm.amdgcn.workitem.id.y() #1
attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }
attributes #2 = { nounwind }