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| author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-11 18:08:48 +0000 |
|---|---|---|
| committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-06-11 18:08:48 +0000 |
| commit | 6b19a3a474ea28aab165aabb96a440a93d1fee19 (patch) | |
| tree | c312b11a374aa88293904ecdf6477ff3ce97ded1 /test | |
| parent | a396a70c1decc68b2ba9cfba2dd116fa29857168 (diff) | |
| download | llvm-6b19a3a474ea28aab165aabb96a440a93d1fee19.tar.gz llvm-6b19a3a474ea28aab165aabb96a440a93d1fee19.tar.bz2 llvm-6b19a3a474ea28aab165aabb96a440a93d1fee19.tar.xz | |
R600/SI: Add 32-bit LDS atomic cmpxchg
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@210678 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/R600/atomic_cmp_swap_local.ll | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/test/CodeGen/R600/atomic_cmp_swap_local.ll b/test/CodeGen/R600/atomic_cmp_swap_local.ll new file mode 100644 index 0000000000..7ab651f5a8 --- /dev/null +++ b/test/CodeGen/R600/atomic_cmp_swap_local.ll @@ -0,0 +1,16 @@ +; 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 + %result = cmpxchg i32 addrspace(3)* %gep, i32 7, i32 %swap seq_cst monotonic + store i32 %result, i32 addrspace(1)* %out, align 4 + ret void +} |