llvm-project/llvm/test/CodeGen/R600/atomic_load_sub.ll

; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=R600 -check-prefix=FUNC %s
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s

; FUNC-LABEL: @atomic_sub_local
; R600: LDS_SUB *
; SI: DS_SUB_U32
define void @atomic_sub_local(i32 addrspace(3)* %local) {
   %unused = atomicrmw volatile sub i32 addrspace(3)* %local, i32 5 seq_cst
   ret void
}

; FUNC-LABEL: @atomic_sub_local_const_offset
; R600: LDS_SUB *
; SI: DS_SUB_U32 v{{[0-9]+}}, v{{[0-9]+}}, 0x10
define void @atomic_sub_local_const_offset(i32 addrspace(3)* %local) {
  %gep = getelementptr i32 addrspace(3)* %local, i32 4
  %val = atomicrmw volatile sub i32 addrspace(3)* %gep, i32 5 seq_cst
  ret void
}

; FUNC-LABEL: @atomic_sub_ret_local
; R600: LDS_SUB_RET *
; SI: DS_SUB_RTN_U32
define void @atomic_sub_ret_local(i32 addrspace(1)* %out, i32 addrspace(3)* %local) {
  %val = atomicrmw volatile sub i32 addrspace(3)* %local, i32 5 seq_cst
  store i32 %val, i32 addrspace(1)* %out
  ret void
}

; FUNC-LABEL: @atomic_sub_ret_local_const_offset
; R600: LDS_SUB_RET *
; SI: DS_SUB_RTN_U32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, 0x14
define void @atomic_sub_ret_local_const_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %local) {
  %gep = getelementptr i32 addrspace(3)* %local, i32 5
  %val = atomicrmw volatile sub i32 addrspace(3)* %gep, i32 5 seq_cst
  store i32 %val, i32 addrspace(1)* %out
  ret void
}