llvm-6502/test/CodeGen/R600/atomic_load_sub.ll
Aaron Watry 546dcc5ddc R600: Add support for LDS atomic subtract
Signed-off-by: Aaron Watry <awatry@gmail.com>
Reviewed-by: Tom Stellard <thomas.stellard@amd.com>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190200 91177308-0d34-0410-b5e6-96231b3b80d8
2013-09-06 20:17:42 +00:00

24 lines
792 B
LLVM

; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=R600-CHECK
; RUN: llc < %s -march=r600 -mcpu=SI | FileCheck %s --check-prefix=SI-CHECK
; R600-CHECK-LABEL: @atomic_sub_local
; R600-CHECK: LDS_SUB *
; SI-CHECK-LABEL: @atomic_sub_local
; SI-CHECK: DS_SUB_U32_RTN 0
define void @atomic_sub_local(i32 addrspace(3)* %local) {
entry:
%0 = atomicrmw volatile sub i32 addrspace(3)* %local, i32 5 seq_cst
ret void
}
; R600-CHECK-LABEL: @atomic_sub_ret_local
; R600-CHECK: LDS_SUB_RET *
; SI-CHECK-LABEL: @atomic_sub_ret_local
; SI-CHECK: DS_SUB_U32_RTN 0
define void @atomic_sub_ret_local(i32 addrspace(1)* %out, i32 addrspace(3)* %local) {
entry:
%0 = atomicrmw volatile sub i32 addrspace(3)* %local, i32 5 seq_cst
store i32 %0, i32 addrspace(1)* %out
ret void
}