diff options
| author | Aaron Watry <awatry@gmail.com> | 2013-09-06 20:17:42 +0000 |
|---|---|---|
| committer | Aaron Watry <awatry@gmail.com> | 2013-09-06 20:17:42 +0000 |
| commit | 546dcc5ddc6d3c1fee50f10bedfea239a721f0e3 (patch) | |
| tree | 9e19a9286dd9857ba9396da50ffc1c09d3be29ca /test | |
| parent | e42279cda481b48138d2119f4a4bbce7077f0a72 (diff) | |
| download | llvm-546dcc5ddc6d3c1fee50f10bedfea239a721f0e3.tar.gz llvm-546dcc5ddc6d3c1fee50f10bedfea239a721f0e3.tar.bz2 llvm-546dcc5ddc6d3c1fee50f10bedfea239a721f0e3.tar.xz | |
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
Diffstat (limited to 'test')
| -rw-r--r-- | test/CodeGen/R600/atomic_load_sub.ll | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/test/CodeGen/R600/atomic_load_sub.ll b/test/CodeGen/R600/atomic_load_sub.ll new file mode 100644 index 0000000000..e256f07c72 --- /dev/null +++ b/test/CodeGen/R600/atomic_load_sub.ll @@ -0,0 +1,23 @@ +; 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 +} |