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llvm/llvm/test/CodeGen/AMDGPU/spill-wide-sgpr.ll 

; RUN: llc -O0 -mtriple=amdgcn -mcpu=fiji -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VGPR %s
; RUN: llc -O0 -mtriple=amdgcn -mcpu=fiji -amdgpu-spill-sgpr-to-vgpr=0 -verify-machineinstrs < %s | FileCheck -check-prefix=GCN -check-prefix=VMEM %s

; GCN-LABEL: {{^}}spill_sgpr_x2:

; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 0
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 1
; VGPR: s_cbranch_scc1

; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 0
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 1


; VMEM: buffer_store_dword
; VMEM: s_cbranch_scc1

; VMEM: buffer_load_dword
define amdgpu_kernel void @spill_sgpr_x2(ptr addrspace(1) %out, i32 %in) #0 {
  %wide.sgpr = call <2 x i32>  asm sideeffect "; def $0", "=s" () #0
  %cmp = icmp eq i32 %in, 0
  br i1 %cmp, label %bb0, label %ret

bb0:
  call void asm sideeffect "; use $0", "s"(<2 x i32> %wide.sgpr) #0
  br label %ret

ret:
  ret void
}

; GCN-LABEL: {{^}}spill_sgpr_x3:

; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 0
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 1
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 2
; VGPR: s_cbranch_scc1

; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 0
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 1
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 2


; VMEM: buffer_store_dword
; VMEM: s_cbranch_scc1

; VMEM: buffer_load_dword
define amdgpu_kernel void @spill_sgpr_x3(ptr addrspace(1) %out, i32 %in) #0 {
  %wide.sgpr = call <3 x i32>  asm sideeffect "; def $0", "=s" () #0
  %cmp = icmp eq i32 %in, 0
  br i1 %cmp, label %bb0, label %ret

bb0:
  call void asm sideeffect "; use $0", "s"(<3 x i32> %wide.sgpr) #0
  br label %ret

ret:
  ret void
}

; GCN-LABEL: {{^}}spill_sgpr_x4:

; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 0
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 1
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 2
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 3
; VGPR: s_cbranch_scc1

; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 0
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 1
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 2
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 3


; VMEM: buffer_store_dword
; VMEM: s_cbranch_scc1

; VMEM: buffer_load_dword
define amdgpu_kernel void @spill_sgpr_x4(ptr addrspace(1) %out, i32 %in) #0 {
  %wide.sgpr = call <4 x i32>  asm sideeffect "; def $0", "=s" () #0
  %cmp = icmp eq i32 %in, 0
  br i1 %cmp, label %bb0, label %ret

bb0:
  call void asm sideeffect "; use $0", "s"(<4 x i32> %wide.sgpr) #0
  br label %ret

ret:
  ret void
}

; GCN-LABEL: {{^}}spill_sgpr_x5:

; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 0
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 1
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 2
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 3
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 4
; VGPR: s_cbranch_scc1

; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 0
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 1
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 2
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 3
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 4


; VMEM: buffer_store_dword
; VMEM: s_cbranch_scc1

; VMEM: buffer_load_dword
define amdgpu_kernel void @spill_sgpr_x5(ptr addrspace(1) %out, i32 %in) #0 {
  %wide.sgpr = call <5 x i32>  asm sideeffect "; def $0", "=s" () #0
  %cmp = icmp eq i32 %in, 0
  br i1 %cmp, label %bb0, label %ret

bb0:
  call void asm sideeffect "; use $0", "s"(<5 x i32> %wide.sgpr) #0
  br label %ret

ret:
  ret void
}

; GCN-LABEL: {{^}}spill_sgpr_x8:

; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 0
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 1
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 2
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 3
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 4
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 5
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 6
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 7
; VGPR: s_cbranch_scc1

; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 0
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 1
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 2
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 3
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 4
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 5
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 6
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 7

; VMEM: buffer_store_dword
; VMEM: s_cbranch_scc1

; VMEM: buffer_load_dword
define amdgpu_kernel void @spill_sgpr_x8(ptr addrspace(1) %out, i32 %in) #0 {
  %wide.sgpr = call <8 x i32>  asm sideeffect "; def $0", "=s" () #0
  %cmp = icmp eq i32 %in, 0
  br i1 %cmp, label %bb0, label %ret

bb0:
  call void asm sideeffect "; use $0", "s"(<8 x i32> %wide.sgpr) #0
  br label %ret

ret:
  ret void
}

; GCN-LABEL: {{^}}spill_sgpr_x16:

; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 0
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 1
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 2
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 3
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 4
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 5
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 6
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 7
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 8
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 9
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 10
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 11
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 12
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 13
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 14
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 15
; VGPR: s_cbranch_scc1

; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 0
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 1
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 2
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 3
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 4
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 5
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 6
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 7
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 8
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 9
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 10
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 11
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 12
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 13
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 14
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 15

; VMEM: buffer_store_dword
; VMEM: s_cbranch_scc1

; VMEM: buffer_load_dword
define amdgpu_kernel void @spill_sgpr_x16(ptr addrspace(1) %out, i32 %in) #0 {
  %wide.sgpr = call <16 x i32>  asm sideeffect "; def $0", "=s" () #0
  %cmp = icmp eq i32 %in, 0
  br i1 %cmp, label %bb0, label %ret

bb0:
  call void asm sideeffect "; use $0", "s"(<16 x i32> %wide.sgpr) #0
  br label %ret

ret:
 ret void
}

; GCN-LABEL: {{^}}spill_sgpr_x32:

; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 0
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 1
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 2
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 3
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 4
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 5
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 6
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 7
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 8
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 9
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 10
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 11
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 12
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 13
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 14
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 15
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 16
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 17
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 18
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 19
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 20
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 21
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 22
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 23
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 24
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 25
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 26
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 27
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 28
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 29
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 30
; VGPR: v_writelane_b32 v{{[0-9]+}}, s{{[0-9]+}}, 31
; VGPR: s_cbranch_scc1

; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 0
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 1
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 2
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 3
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 4
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 5
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 6
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 7
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 8
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 9
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 10
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 11
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 12
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 13
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 14
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 15
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 16
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 17
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 18
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 19
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 20
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 21
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 22
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 23
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 24
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 25
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 26
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 27
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 28
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 29
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 30
; VGPR: v_readlane_b32 s{{[0-9]+}}, v{{[0-9]+}}, 31

; VMEM: buffer_store_dword
; VMEM: s_cbranch_scc1

; VMEM: buffer_load_dword
define amdgpu_kernel void @spill_sgpr_x32(ptr addrspace(1) %out, i32 %in) #0 {
  %wide.sgpr = call <32 x i32>  asm sideeffect "; def $0", "=s" () #0
  %cmp = icmp eq i32 %in, 0
  br i1 %cmp, label %bb0, label %ret

bb0:
  call void asm sideeffect "; use $0", "s"(<32 x i32> %wide.sgpr) #0
  br label %ret

ret:
 ret void
}

attributes #0 = { nounwind }