llvm-project/llvm/test/CodeGen/AMDGPU/xor.ll

; RUN: llc -march=amdgcn -mcpu=verde -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s


; FUNC-LABEL: {{^}}xor_v2i32:
; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}

; SI: v_xor_b32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}
; SI: v_xor_b32_e32 v{{[0-9]+, v[0-9]+, v[0-9]+}}

define void @xor_v2i32(<2 x i32> addrspace(1)* %out, <2 x i32> addrspace(1)* %in0, <2 x i32> addrspace(1)* %in1) {
  %a = load <2 x i32>, <2 x i32> addrspace(1) * %in0
  %b = load <2 x i32>, <2 x i32> addrspace(1) * %in1
  %result = xor <2 x i32> %a, %b
  store <2 x i32> %result, <2 x i32> addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}xor_v4i32:
; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}
; EG: XOR_INT {{\** *}}T{{[0-9]+\.[XYZW], T[0-9]+\.[XYZW], T[0-9]+\.[XYZW]}}

; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}
; SI: v_xor_b32_e32 {{v[0-9]+, v[0-9]+, v[0-9]+}}

define void @xor_v4i32(<4 x i32> addrspace(1)* %out, <4 x i32> addrspace(1)* %in0, <4 x i32> addrspace(1)* %in1) {
  %a = load <4 x i32>, <4 x i32> addrspace(1) * %in0
  %b = load <4 x i32>, <4 x i32> addrspace(1) * %in1
  %result = xor <4 x i32> %a, %b
  store <4 x i32> %result, <4 x i32> addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}xor_i1:
; EG: XOR_INT {{\** *}}{{T[0-9]+\.[XYZW]}}, {{PS|PV\.[XYZW]}}, {{PS|PV\.[XYZW]}}

; SI-DAG: v_cmp_le_f32_e32 [[CMP0:vcc]], 0, {{v[0-9]+}}
; SI-DAG: v_cmp_le_f32_e64 [[CMP1:s\[[0-9]+:[0-9]+\]]], 1.0, {{v[0-9]+}}
; SI: s_xor_b64 [[XOR:vcc]], [[CMP0]], [[CMP1]]
; SI: v_cndmask_b32_e32 [[RESULT:v[0-9]+]], {{v[0-9]+}}, {{v[0-9]+}}
; SI: buffer_store_dword [[RESULT]]
; SI: s_endpgm
define void @xor_i1(float addrspace(1)* %out, float addrspace(1)* %in0, float addrspace(1)* %in1) {
  %a = load float, float addrspace(1) * %in0
  %b = load float, float addrspace(1) * %in1
  %acmp = fcmp oge float %a, 0.000000e+00
  %bcmp = fcmp oge float %b, 1.000000e+00
  %xor = xor i1 %acmp, %bcmp
  %result = select i1 %xor, float %a, float %b
  store float %result, float addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}v_xor_i1:
; SI: buffer_load_ubyte [[B:v[0-9]+]]
; SI: buffer_load_ubyte [[A:v[0-9]+]]
; SI: v_xor_b32_e32 [[XOR:v[0-9]+]], [[A]], [[B]]
; SI: v_and_b32_e32 [[RESULT:v[0-9]+]], 1, [[XOR]]
; SI: buffer_store_byte [[RESULT]]
define void @v_xor_i1(i1 addrspace(1)* %out, i1 addrspace(1)* %in0, i1 addrspace(1)* %in1) {
  %a = load i1, i1 addrspace(1)* %in0
  %b = load i1, i1 addrspace(1)* %in1
  %xor = xor i1 %a, %b
  store i1 %xor, i1 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}vector_xor_i32:
; SI: v_xor_b32_e32
define void @vector_xor_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) {
  %a = load i32, i32 addrspace(1)* %in0
  %b = load i32, i32 addrspace(1)* %in1
  %result = xor i32 %a, %b
  store i32 %result, i32 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}scalar_xor_i32:
; SI: s_xor_b32
define void @scalar_xor_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) {
  %result = xor i32 %a, %b
  store i32 %result, i32 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}scalar_not_i32:
; SI: s_not_b32
define void @scalar_not_i32(i32 addrspace(1)* %out, i32 %a) {
  %result = xor i32 %a, -1
  store i32 %result, i32 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}vector_not_i32:
; SI: v_not_b32
define void @vector_not_i32(i32 addrspace(1)* %out, i32 addrspace(1)* %in0, i32 addrspace(1)* %in1) {
  %a = load i32, i32 addrspace(1)* %in0
  %b = load i32, i32 addrspace(1)* %in1
  %result = xor i32 %a, -1
  store i32 %result, i32 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}vector_xor_i64:
; SI: v_xor_b32_e32
; SI: v_xor_b32_e32
; SI: s_endpgm
define void @vector_xor_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in0, i64 addrspace(1)* %in1) {
  %a = load i64, i64 addrspace(1)* %in0
  %b = load i64, i64 addrspace(1)* %in1
  %result = xor i64 %a, %b
  store i64 %result, i64 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}scalar_xor_i64:
; SI: s_xor_b64
; SI: s_endpgm
define void @scalar_xor_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
  %result = xor i64 %a, %b
  store i64 %result, i64 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}scalar_not_i64:
; SI: s_not_b64
define void @scalar_not_i64(i64 addrspace(1)* %out, i64 %a) {
  %result = xor i64 %a, -1
  store i64 %result, i64 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: {{^}}vector_not_i64:
; SI: v_not_b32
; SI: v_not_b32
define void @vector_not_i64(i64 addrspace(1)* %out, i64 addrspace(1)* %in0, i64 addrspace(1)* %in1) {
  %a = load i64, i64 addrspace(1)* %in0
  %b = load i64, i64 addrspace(1)* %in1
  %result = xor i64 %a, -1
  store i64 %result, i64 addrspace(1)* %out
  ret void
}

; Test that we have a pattern to match xor inside a branch.
; Note that in the future the backend may be smart enough to
; use an SALU instruction for this.

; FUNC-LABEL: {{^}}xor_cf:
; SI: s_xor_b64
define void @xor_cf(i64 addrspace(1)* %out, i64 addrspace(1)* %in, i64 %a, i64 %b) {
entry:
  %0 = icmp eq i64 %a, 0
  br i1 %0, label %if, label %else

if:
  %1 = xor i64 %a, %b
  br label %endif

else:
  %2 = load i64, i64 addrspace(1)* %in
  br label %endif

endif:
  %3 = phi i64 [%1, %if], [%2, %else]
  store i64 %3, i64 addrspace(1)* %out
  ret void
}