1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
|
; RUN: llc -march=r600 -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
; FUNC-LABEL: @lds_atomic_cmpxchg_ret_i32_offset:
; SI: S_LOAD_DWORD [[SWAP:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xc
; SI: S_LOAD_DWORD [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
; SI-DAG: V_MOV_B32_e32 [[VCMP:v[0-9]+]], 7
; SI-DAG: V_MOV_B32_e32 [[VPTR:v[0-9]+]], [[PTR]]
; SI-DAG: V_MOV_B32_e32 [[VSWAP:v[0-9]+]], [[SWAP]]
; SI: DS_CMPST_RTN_B32 [[RESULT:v[0-9]+]], [[VPTR]], [[VCMP]], [[VSWAP]], 0x10, [M0]
; SI: S_ENDPGM
define void @lds_atomic_cmpxchg_ret_i32_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %ptr, i32 %swap) nounwind {
%gep = getelementptr i32 addrspace(3)* %ptr, i32 4
%pair = cmpxchg i32 addrspace(3)* %gep, i32 7, i32 %swap seq_cst monotonic
%result = extractvalue { i32, i1 } %pair, 0
store i32 %result, i32 addrspace(1)* %out, align 4
ret void
}
; FUNC-LABEL: @lds_atomic_cmpxchg_ret_i64_offset:
; SI: S_LOAD_DWORDX2 s{{\[}}[[LOSWAP:[0-9]+]]:[[HISWAP:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
; SI: S_LOAD_DWORD [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
; SI: S_MOV_B64 s{{\[}}[[LOSCMP:[0-9]+]]:[[HISCMP:[0-9]+]]{{\]}}, 7
; SI-DAG: V_MOV_B32_e32 v[[LOVCMP:[0-9]+]], s[[LOSCMP]]
; SI-DAG: V_MOV_B32_e32 v[[HIVCMP:[0-9]+]], s[[HISCMP]]
; SI-DAG: V_MOV_B32_e32 [[VPTR:v[0-9]+]], [[PTR]]
; SI-DAG: V_MOV_B32_e32 v[[LOSWAPV:[0-9]+]], s[[LOSWAP]]
; SI-DAG: V_MOV_B32_e32 v[[HISWAPV:[0-9]+]], s[[HISWAP]]
; SI: DS_CMPST_RTN_B64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[VPTR]], v{{\[}}[[LOVCMP]]:[[HIVCMP]]{{\]}}, v{{\[}}[[LOSWAPV]]:[[HISWAPV]]{{\]}}, 0x20, [M0]
; SI: BUFFER_STORE_DWORDX2 [[RESULT]],
; SI: S_ENDPGM
define void @lds_atomic_cmpxchg_ret_i64_offset(i64 addrspace(1)* %out, i64 addrspace(3)* %ptr, i64 %swap) nounwind {
%gep = getelementptr i64 addrspace(3)* %ptr, i32 4
%pair = cmpxchg i64 addrspace(3)* %gep, i64 7, i64 %swap seq_cst monotonic
%result = extractvalue { i64, i1 } %pair, 0
store i64 %result, i64 addrspace(1)* %out, align 8
ret void
}
|
