From 3a0822f094b578157263e04114075ad7df81db41 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Sun, 21 Jun 2015 13:59:01 +0000
Subject: Vendor import of llvm trunk r240225:
 https://llvm.org/svn/llvm-project/llvm/trunk@240225

---
 test/CodeGen/AMDGPU/atomic_cmp_swap_local.ll | 92 ++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)
 create mode 100644 test/CodeGen/AMDGPU/atomic_cmp_swap_local.ll

(limited to 'test/CodeGen/AMDGPU/atomic_cmp_swap_local.ll')

diff --git a/test/CodeGen/AMDGPU/atomic_cmp_swap_local.ll b/test/CodeGen/AMDGPU/atomic_cmp_swap_local.ll
new file mode 100644
index 000000000000..ef2560ef1849
--- /dev/null
+++ b/test/CodeGen/AMDGPU/atomic_cmp_swap_local.ll
@@ -0,0 +1,92 @@
+; RUN: llc -march=amdgcn -mcpu=SI -verify-machineinstrs < %s | FileCheck -check-prefix=SI -check-prefix=SICI -check-prefix=GCN -check-prefix=FUNC  %s
+; RUN: llc -march=amdgcn -mcpu=bonaire -verify-machineinstrs < %s | FileCheck -check-prefix=SICI -check-prefix=CIVI -check-prefix=GCN -check-prefix=FUNC %s
+; RUN: llc -march=amdgcn -mcpu=tonga -verify-machineinstrs < %s | FileCheck -check-prefix=VI -check-prefix=CIVI -check-prefix=GCN -check-prefix=FUNC %s
+
+; FUNC-LABEL: {{^}}lds_atomic_cmpxchg_ret_i32_offset:
+; GCN: v_mov_b32_e32 [[VCMP:v[0-9]+]], 7
+; SICI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
+; SICI: s_load_dword [[SWAP:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xc
+; VI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x2c
+; VI: s_load_dword [[SWAP:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x30
+; GCN-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
+; GCN-DAG: v_mov_b32_e32 [[VSWAP:v[0-9]+]], [[SWAP]]
+; GCN: ds_cmpst_rtn_b32 [[RESULT:v[0-9]+]], [[VPTR]], [[VCMP]], [[VSWAP]] offset:16
+; GCN: s_endpgm
+define void @lds_atomic_cmpxchg_ret_i32_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %ptr, i32 %swap) nounwind {
+  %gep = getelementptr i32, 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:
+; GCN-DAG: v_mov_b32_e32 v[[LOVCMP:[0-9]+]], 7
+; GCN-DAG: v_mov_b32_e32 v[[HIVCMP:[0-9]+]], 0
+; SICI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xb
+; SICI: s_load_dwordx2 s{{\[}}[[LOSWAP:[0-9]+]]:[[HISWAP:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xd
+; VI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x2c
+; VI: s_load_dwordx2 s{{\[}}[[LOSWAP:[0-9]+]]:[[HISWAP:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x34
+; GCN-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
+; GCN-DAG: v_mov_b32_e32 v[[LOSWAPV:[0-9]+]], s[[LOSWAP]]
+; GCN-DAG: v_mov_b32_e32 v[[HISWAPV:[0-9]+]], s[[HISWAP]]
+; GCN: ds_cmpst_rtn_b64 [[RESULT:v\[[0-9]+:[0-9]+\]]], [[VPTR]], v{{\[}}[[LOVCMP]]:[[HIVCMP]]{{\]}}, v{{\[}}[[LOSWAPV]]:[[HISWAPV]]{{\]}} offset:32
+; GCN: buffer_store_dwordx2 [[RESULT]],
+; GCN: s_endpgm
+define void @lds_atomic_cmpxchg_ret_i64_offset(i64 addrspace(1)* %out, i64 addrspace(3)* %ptr, i64 %swap) nounwind {
+  %gep = getelementptr i64, 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
+}
+
+; FUNC-LABEL: {{^}}lds_atomic_cmpxchg_ret_i32_bad_si_offset
+; SI: ds_cmpst_rtn_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}
+; CIVI: ds_cmpst_rtn_b32 v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}}, v{{[0-9]+}} offset:16
+; GCN: s_endpgm
+define void @lds_atomic_cmpxchg_ret_i32_bad_si_offset(i32 addrspace(1)* %out, i32 addrspace(3)* %ptr, i32 %swap, i32 %a, i32 %b) nounwind {
+  %sub = sub i32 %a, %b
+  %add = add i32 %sub, 4
+  %gep = getelementptr i32, i32 addrspace(3)* %ptr, i32 %add
+  %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_noret_i32_offset:
+; SICI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x9
+; SICI: s_load_dword [[SWAP:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0xa
+; VI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x24
+; VI: s_load_dword [[SWAP:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x28
+; GCN-DAG: v_mov_b32_e32 [[VCMP:v[0-9]+]], 7
+; GCN-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
+; GCN-DAG: v_mov_b32_e32 [[VSWAP:v[0-9]+]], [[SWAP]]
+; GCN: ds_cmpst_b32 [[VPTR]], [[VCMP]], [[VSWAP]] offset:16
+; GCN: s_endpgm
+define void @lds_atomic_cmpxchg_noret_i32_offset(i32 addrspace(3)* %ptr, i32 %swap) nounwind {
+  %gep = getelementptr i32, 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
+  ret void
+}
+
+; FUNC-LABEL: {{^}}lds_atomic_cmpxchg_noret_i64_offset:
+; SICI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x9
+; SICI: s_load_dwordx2 s{{\[}}[[LOSWAP:[0-9]+]]:[[HISWAP:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0xb
+; VI: s_load_dword [[PTR:s[0-9]+]], s{{\[[0-9]+:[0-9]+\]}}, 0x24
+; VI: s_load_dwordx2 s{{\[}}[[LOSWAP:[0-9]+]]:[[HISWAP:[0-9]+]]{{\]}}, s{{\[[0-9]+:[0-9]+\]}}, 0x2c
+; GCN-DAG: v_mov_b32_e32 v[[LOVCMP:[0-9]+]], 7
+; GCN-DAG: v_mov_b32_e32 v[[HIVCMP:[0-9]+]], 0
+; GCN-DAG: v_mov_b32_e32 [[VPTR:v[0-9]+]], [[PTR]]
+; GCN-DAG: v_mov_b32_e32 v[[LOSWAPV:[0-9]+]], s[[LOSWAP]]
+; GCN-DAG: v_mov_b32_e32 v[[HISWAPV:[0-9]+]], s[[HISWAP]]
+; GCN: ds_cmpst_b64 [[VPTR]], v{{\[}}[[LOVCMP]]:[[HIVCMP]]{{\]}}, v{{\[}}[[LOSWAPV]]:[[HISWAPV]]{{\]}} offset:32
+; GCN: s_endpgm
+define void @lds_atomic_cmpxchg_noret_i64_offset(i64 addrspace(3)* %ptr, i64 %swap) nounwind {
+  %gep = getelementptr i64, 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
+  ret void
+}
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