llvm-project/llvm/test/CodeGen/AMDGPU/sminmax.v2i16.ll

; RUN: llc -march=amdgcn -mcpu=gfx901 -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=GFX9 -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=CIVI -check-prefix=GCN %s
; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=CI -check-prefix=CIVI -check-prefix=GCN %s

; GCN-LABEL: {{^}}s_abs_v2i16:
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_sub_i16 [[SUB:v[0-9]+]], 0, [[VAL]]
; GFX9: v_pk_max_i16 [[MAX:v[0-9]+]], [[VAL]], [[SUB]]
; GFX9: v_pk_add_u16 [[ADD:v[0-9]+]], [[MAX]], 2

; CIVI: v_sub_i32_e32
; CIVI-DAG: v_sub_i32_e32
; CIVI: v_bfe_i32
; CIVI-DAG: v_bfe_i32
; CIVI-DAG: v_add_i32_e32
; CIVI-DAG: v_lshlrev_b32_e32 v{{[0-9]+}}, 16
; CIVI: v_add_i32_e32
; CIVI: v_and_b32_e32 v{{[0-9]+}}, 0xffff,
; CIVI: v_or_b32_e32
define amdgpu_kernel void @s_abs_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> %val) #0 {
  %neg = sub <2 x i16> zeroinitializer, %val
  %cond = icmp sgt <2 x i16> %val, %neg
  %res = select <2 x i1> %cond, <2 x i16> %val, <2 x i16> %neg
  %res2 = add <2 x i16> %res, <i16 2, i16 2>
  store <2 x i16> %res2, <2 x i16> addrspace(1)* %out, align 4
  ret void
}

; GCN-LABEL: {{^}}v_abs_v2i16:
; GFX9: flat_load_dword [[VAL:v[0-9]+]]
; GFX9: v_pk_sub_i16 [[SUB:v[0-9]+]], 0, [[VAL]]
; GFX9: v_pk_max_i16 [[MAX:v[0-9]+]], [[VAL]], [[SUB]]
; GFX9: v_pk_add_u16 [[ADD:v[0-9]+]], [[MAX]], 2

; VI: v_lshrrev_b32_e32 v{{[0-9]+}}, 16,
; VI: v_sub_u16_e32 v{{[0-9]+}}, 0, v{{[0-9]+}}
; VI: v_sub_u16_e32 v{{[0-9]+}}, 0, v{{[0-9]+}}
; VI: v_max_i16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; VI: v_max_i16_e32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
; VI: v_add_u16_e32 v{{[0-9]+}}, 2, v{{[0-9]+}}
; VI: v_add_u16_e32 v{{[0-9]+}}, 2, v{{[0-9]+}}
; VI-NOT: v_and_b32
; VI: v_or_b32_e32
define amdgpu_kernel void @v_abs_v2i16(<2 x i16> addrspace(1)* %out, <2 x i16> addrspace(1)* %src) #0 {
  %tid = call i32 @llvm.amdgcn.workitem.id.x()
  %gep.in = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %src, i32 %tid
  %gep.out = getelementptr inbounds <2 x i16>, <2 x i16> addrspace(1)* %out, i32 %tid
  %val = load <2 x i16>, <2 x i16> addrspace(1)* %gep.in, align 4
  %neg = sub <2 x i16> zeroinitializer, %val
  %cond = icmp sgt <2 x i16> %val, %neg
  %res = select <2 x i1> %cond, <2 x i16> %val, <2 x i16> %neg
  %res2 = add <2 x i16> %res, <i16 2, i16 2>
  store <2 x i16> %res2, <2 x i16> addrspace(1)* %gep.out, align 4
  ret void
}

; GCN-LABEL: {{^}}s_abs_v2i16_2:
; GFX9: s_load_dword [[VAL:s[0-9]+]]
; GFX9: v_pk_sub_i16 [[SUB:v[0-9]+]], 0, [[VAL]]
; GFX9: v_pk_max_i16 [[MAX:v[0-9]+]], [[VAL]], [[SUB]]
; GFX9: v_pk_add_u16 [[ADD:v[0-9]+]], [[MAX]], 2
define amdgpu_kernel void @s_abs_v2i16_2(<2 x i16> addrspace(1)* %out, <2 x i16> %val) #0 {
  %z0 = insertelement <2 x i16> undef, i16 0, i16 0
  %z1 = insertelement <2 x i16> %z0, i16 0, i16 1
  %t0 = insertelement <2 x i16> undef, i16 2, i16 0
  %t1 = insertelement <2 x i16> %t0, i16 2, i16 1
  %neg = sub <2 x i16> %z1, %val
  %cond = icmp sgt <2 x i16> %val, %neg
  %res = select <2 x i1> %cond, <2 x i16> %val, <2 x i16> %neg
  %res2 = add <2 x i16> %res, %t1
  store <2 x i16> %res2, <2 x i16> addrspace(1)* %out, align 4
  ret void
}

; GCN-LABEL: {{^}}v_abs_v2i16_2:
; GFX9: buffer_load_dword [[VAL:v[0-9]+]]
; GFX9: v_pk_sub_i16 [[SUB:v[0-9]+]], 0, [[VAL]]
; GFX9: v_pk_max_i16 [[MAX:v[0-9]+]], [[VAL]], [[SUB]]
; GFX9: v_pk_add_u16 [[ADD:v[0-9]+]], [[MAX]], 2
define amdgpu_kernel void @v_abs_v2i16_2(<2 x i16> addrspace(1)* %out, <2 x i16> addrspace(1)* %src) #0 {
  %z0 = insertelement <2 x i16> undef, i16 0, i16 0
  %z1 = insertelement <2 x i16> %z0, i16 0, i16 1
  %t0 = insertelement <2 x i16> undef, i16 2, i16 0
  %t1 = insertelement <2 x i16> %t0, i16 2, i16 1
  %val = load <2 x i16>, <2 x i16> addrspace(1)* %src, align 4
  %neg = sub <2 x i16> %z1, %val
  %cond = icmp sgt <2 x i16> %val, %neg
  %res = select <2 x i1> %cond, <2 x i16> %val, <2 x i16> %neg
  %res2 = add <2 x i16> %res, %t1
  store <2 x i16> %res2, <2 x i16> addrspace(1)* %out, align 4
  ret void
}

; GCN-LABEL: {{^}}s_abs_v4i16:
; GFX9: s_load_dword [[VAL0:s[0-9]+]]
; GFX9: s_load_dword [[VAL1:s[0-9]+]]
; GFX9-DAG: v_pk_sub_i16 [[SUB0:v[0-9]+]], 0, [[VAL0]]
; GFX9-DAG: v_pk_max_i16 [[MAX0:v[0-9]+]], [[VAL0]], [[SUB0]]
; GFX9-DAG: v_pk_add_u16 [[ADD0:v[0-9]+]], [[MAX0]], 2

; GFX9-DAG: v_pk_sub_i16 [[SUB1:v[0-9]+]], 0, [[VAL1]]
; GFX9-DAG: v_pk_max_i16 [[MAX1:v[0-9]+]], [[VAL1]], [[SUB1]]
; GFX9-DAG: v_pk_add_u16 [[ADD1:v[0-9]+]], [[MAX1]], 2
define amdgpu_kernel void @s_abs_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> %val) #0 {
  %z0 = insertelement <4 x i16> undef, i16 0, i16 0
  %z1 = insertelement <4 x i16> %z0, i16 0, i16 1
  %z2 = insertelement <4 x i16> %z1, i16 0, i16 2
  %z3 = insertelement <4 x i16> %z2, i16 0, i16 3
  %t0 = insertelement <4 x i16> undef, i16 2, i16 0
  %t1 = insertelement <4 x i16> %t0, i16 2, i16 1
  %t2 = insertelement <4 x i16> %t1, i16 2, i16 2
  %t3 = insertelement <4 x i16> %t2, i16 2, i16 3
  %neg = sub <4 x i16> %z3, %val
  %cond = icmp sgt <4 x i16> %val, %neg
  %res = select <4 x i1> %cond, <4 x i16> %val, <4 x i16> %neg
  %res2 = add <4 x i16> %res, %t3
  store <4 x i16> %res2, <4 x i16> addrspace(1)* %out, align 4
  ret void
}

; GCN-LABEL: {{^}}v_abs_v4i16:
; GFX9: buffer_load_dwordx2 v{{\[}}[[VAL0:[0-9]+]]:[[VAL1:[0-9]+]]{{\]}}

; GFX9-DAG: v_pk_sub_i16 [[SUB0:v[0-9]+]], 0, v[[VAL0]]
; GFX9-DAG: v_pk_max_i16 [[MAX0:v[0-9]+]], v[[VAL0]], [[SUB0]]
; GFX9-DAG: v_pk_add_u16 [[ADD0:v[0-9]+]], [[MAX0]], 2

; GFX9-DAG: v_pk_sub_i16 [[SUB1:v[0-9]+]], 0, v[[VAL1]]
; GFX9-DAG: v_pk_max_i16 [[MAX1:v[0-9]+]], v[[VAL1]], [[SUB1]]
; GFX9-DAG: v_pk_add_u16 [[ADD1:v[0-9]+]], [[MAX1]], 2
define amdgpu_kernel void @v_abs_v4i16(<4 x i16> addrspace(1)* %out, <4 x i16> addrspace(1)* %src) #0 {
  %z0 = insertelement <4 x i16> undef, i16 0, i16 0
  %z1 = insertelement <4 x i16> %z0, i16 0, i16 1
  %z2 = insertelement <4 x i16> %z1, i16 0, i16 2
  %z3 = insertelement <4 x i16> %z2, i16 0, i16 3
  %t0 = insertelement <4 x i16> undef, i16 2, i16 0
  %t1 = insertelement <4 x i16> %t0, i16 2, i16 1
  %t2 = insertelement <4 x i16> %t1, i16 2, i16 2
  %t3 = insertelement <4 x i16> %t2, i16 2, i16 3
  %val = load <4 x i16>, <4 x i16> addrspace(1)* %src, align 4
  %neg = sub <4 x i16> %z3, %val
  %cond = icmp sgt <4 x i16> %val, %neg
  %res = select <4 x i1> %cond, <4 x i16> %val, <4 x i16> %neg
  %res2 = add <4 x i16> %res, %t3
  store <4 x i16> %res2, <4 x i16> addrspace(1)* %out, align 4
  ret void
}

; GCN-LABEL: {{^}}s_min_max_v2i16:
define amdgpu_kernel void @s_min_max_v2i16(<2 x i16> addrspace(1)* %out0, <2 x i16> addrspace(1)* %out1, <2 x i16> %val0, <2 x i16> %val1) #0 {
  %cond0 = icmp sgt <2 x i16> %val0, %val1
  %sel0 = select <2 x i1> %cond0, <2 x i16> %val0, <2 x i16> %val1
  %sel1 = select <2 x i1> %cond0, <2 x i16> %val1, <2 x i16> %val0

  store volatile <2 x i16> %sel0, <2 x i16> addrspace(1)* %out0, align 4
  store volatile <2 x i16> %sel1, <2 x i16> addrspace(1)* %out1, align 4
  ret void
}

; GCN-LABEL: {{^}}v_min_max_v2i16:
define amdgpu_kernel void @v_min_max_v2i16(<2 x i16> addrspace(1)* %out0, <2 x i16> addrspace(1)* %out1, <2 x i16> addrspace(1)* %ptr0, <2 x i16> addrspace(1)* %ptr1) #0 {
  %val0 = load volatile <2 x i16>, <2 x i16> addrspace(1)* %ptr0
  %val1 = load volatile <2 x i16>, <2 x i16> addrspace(1)* %ptr1

  %cond0 = icmp sgt <2 x i16> %val0, %val1
  %sel0 = select <2 x i1> %cond0, <2 x i16> %val0, <2 x i16> %val1
  %sel1 = select <2 x i1> %cond0, <2 x i16> %val1, <2 x i16> %val0

  store volatile <2 x i16> %sel0, <2 x i16> addrspace(1)* %out0, align 4
  store volatile <2 x i16> %sel1, <2 x i16> addrspace(1)* %out1, align 4
  ret void
}

; GCN-LABEL: {{^}}s_min_max_v4i32:
define amdgpu_kernel void @s_min_max_v4i32(<4 x i16> addrspace(1)* %out0, <4 x i16> addrspace(1)* %out1, <4 x i16> %val0, <4 x i16> %val1) #0 {
  %cond0 = icmp sgt <4 x i16> %val0, %val1
  %sel0 = select <4 x i1> %cond0, <4 x i16> %val0, <4 x i16> %val1
  %sel1 = select <4 x i1> %cond0, <4 x i16> %val1, <4 x i16> %val0

  store volatile <4 x i16> %sel0, <4 x i16> addrspace(1)* %out0, align 4
  store volatile <4 x i16> %sel1, <4 x i16> addrspace(1)* %out1, align 4
  ret void
}

; GCN-LABEL: {{^}}v_min_max_v2i16_user:
define amdgpu_kernel void @v_min_max_v2i16_user(<2 x i16> addrspace(1)* %out0, <2 x i16> addrspace(1)* %out1, <2 x i16> addrspace(1)* %ptr0, <2 x i16> addrspace(1)* %ptr1) #0 {
  %val0 = load volatile <2 x i16>, <2 x i16> addrspace(1)* %ptr0
  %val1 = load volatile <2 x i16>, <2 x i16> addrspace(1)* %ptr1

  %cond0 = icmp sgt <2 x i16> %val0, %val1
  %sel0 = select <2 x i1> %cond0, <2 x i16> %val0, <2 x i16> %val1
  %sel1 = select <2 x i1> %cond0, <2 x i16> %val1, <2 x i16> %val0

  store volatile <2 x i16> %sel0, <2 x i16> addrspace(1)* %out0, align 4
  store volatile <2 x i16> %sel1, <2 x i16> addrspace(1)* %out1, align 4
  store volatile <2 x i1> %cond0, <2 x i1> addrspace(1)* undef
  ret void
}

; GCN-LABEL: {{^}}u_min_max_v2i16:
; GFX9: v_pk_max_u16 v{{[0-9]+}}, v{{[0-9]+}}, s{{[0-9]+}}
; GFX9: v_pk_min_u16 v{{[0-9]+}}, s{{[0-9]+}}, v{{[0-9]+}}
define amdgpu_kernel void @u_min_max_v2i16(<2 x i16> addrspace(1)* %out0, <2 x i16> addrspace(1)* %out1, <2 x i16> %val0, <2 x i16> %val1) nounwind {
  %cond0 = icmp ugt <2 x i16> %val0, %val1
  %sel0 = select <2 x i1> %cond0, <2 x i16> %val0, <2 x i16> %val1
  %sel1 = select <2 x i1> %cond0, <2 x i16> %val1, <2 x i16> %val0

  store volatile <2 x i16> %sel0, <2 x i16> addrspace(1)* %out0, align 4
  store volatile <2 x i16> %sel1, <2 x i16> addrspace(1)* %out1, align 4
  ret void
}

declare i32 @llvm.amdgcn.workitem.id.x() #1

attributes #0 = { nounwind }
attributes #1 = { nounwind readnone }