1 files changed, 291 insertions, 0 deletions
diff --git a/test/CodeGenOpenCL/atomic-ops.cl b/test/CodeGenOpenCL/atomic-ops.cl
new file mode 100644
index 0000000000000..160f7fbd528d9
--- /dev/null
+++ b/test/CodeGenOpenCL/atomic-ops.cl
@@ -0,0 +1,291 @@
+// RUN: %clang_cc1 %s -cl-std=CL2.0 -emit-llvm -O0 -o - -triple=amdgcn-amd-amdhsa-amdgizcl | opt -instnamer -S | FileCheck %s
+
+// Also test serialization of atomic operations here, to avoid duplicating the test.
+// RUN: %clang_cc1 %s -cl-std=CL2.0 -emit-pch -O0 -o %t -triple=amdgcn-amd-amdhsa-amdgizcl
+// RUN: %clang_cc1 %s -cl-std=CL2.0 -include-pch %t -O0 -triple=amdgcn-amd-amdhsa-amdgizcl -emit-llvm -o - | opt -instnamer -S | FileCheck %s
+
+#ifndef ALREADY_INCLUDED
+#define ALREADY_INCLUDED
+
+typedef __INTPTR_TYPE__ intptr_t;
+typedef int int8 __attribute__((ext_vector_type(8)));
+
+typedef enum memory_order {
+  memory_order_relaxed = __ATOMIC_RELAXED,
+  memory_order_acquire = __ATOMIC_ACQUIRE,
+  memory_order_release = __ATOMIC_RELEASE,
+  memory_order_acq_rel = __ATOMIC_ACQ_REL,
+  memory_order_seq_cst = __ATOMIC_SEQ_CST
+} memory_order;
+
+typedef enum memory_scope {
+  memory_scope_work_item = __OPENCL_MEMORY_SCOPE_WORK_ITEM,
+  memory_scope_work_group = __OPENCL_MEMORY_SCOPE_WORK_GROUP,
+  memory_scope_device = __OPENCL_MEMORY_SCOPE_DEVICE,
+  memory_scope_all_svm_devices = __OPENCL_MEMORY_SCOPE_ALL_SVM_DEVICES,
+#if defined(cl_intel_subgroups) || defined(cl_khr_subgroups)
+  memory_scope_sub_group = __OPENCL_MEMORY_SCOPE_SUB_GROUP
+#endif
+} memory_scope;
+
+atomic_int j;
+
+void fi1(atomic_int *i) {
+  // CHECK-LABEL: @fi1
+  // CHECK: load atomic i32, i32* %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  int x = __opencl_atomic_load(i, memory_order_seq_cst, memory_scope_work_group);
+
+  // CHECK: load atomic i32, i32* %{{[.0-9A-Z_a-z]+}} syncscope("agent") seq_cst
+  x = __opencl_atomic_load(i, memory_order_seq_cst, memory_scope_device);
+
+  // CHECK: load atomic i32, i32* %{{[.0-9A-Z_a-z]+}} seq_cst
+  x = __opencl_atomic_load(i, memory_order_seq_cst, memory_scope_all_svm_devices);
+
+  // CHECK: load atomic i32, i32* %{{[.0-9A-Z_a-z]+}} syncscope("subgroup") seq_cst
+  x = __opencl_atomic_load(i, memory_order_seq_cst, memory_scope_sub_group);
+}
+
+void fi2(atomic_int *i) {
+  // CHECK-LABEL: @fi2
+  // CHECK: store atomic i32 %{{[.0-9A-Z_a-z]+}}, i32* %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  __opencl_atomic_store(i, 1, memory_order_seq_cst, memory_scope_work_group);
+}
+
+void test_addr(global atomic_int *ig, private atomic_int *ip, local atomic_int *il) {
+  // CHECK-LABEL: @test_addr
+  // CHECK: store atomic i32 %{{[.0-9A-Z_a-z]+}}, i32 addrspace(1)* %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  __opencl_atomic_store(ig, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // CHECK: store atomic i32 %{{[.0-9A-Z_a-z]+}}, i32 addrspace(5)* %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  __opencl_atomic_store(ip, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // CHECK: store atomic i32 %{{[.0-9A-Z_a-z]+}}, i32 addrspace(3)* %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  __opencl_atomic_store(il, 1, memory_order_seq_cst, memory_scope_work_group);
+}
+
+void fi3(atomic_int *i, atomic_uint *ui) {
+  // CHECK-LABEL: @fi3
+  // CHECK: atomicrmw and i32* %{{[.0-9A-Z_a-z]+}}, i32 %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  int x = __opencl_atomic_fetch_and(i, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // CHECK: atomicrmw min i32* %{{[.0-9A-Z_a-z]+}}, i32 %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  x = __opencl_atomic_fetch_min(i, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // CHECK: atomicrmw max i32* %{{[.0-9A-Z_a-z]+}}, i32 %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  x = __opencl_atomic_fetch_max(i, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // CHECK: atomicrmw umin i32* %{{[.0-9A-Z_a-z]+}}, i32 %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  x = __opencl_atomic_fetch_min(ui, 1, memory_order_seq_cst, memory_scope_work_group);
+
+  // CHECK: atomicrmw umax i32* %{{[.0-9A-Z_a-z]+}}, i32 %{{[.0-9A-Z_a-z]+}} syncscope("workgroup") seq_cst
+  x = __opencl_atomic_fetch_max(ui, 1, memory_order_seq_cst, memory_scope_work_group);
+}
+
+bool fi4(atomic_int *i) {
+  // CHECK-LABEL: @fi4(
+  // CHECK: [[PAIR:%[.0-9A-Z_a-z]+]] = cmpxchg i32* [[PTR:%[.0-9A-Z_a-z]+]], i32 [[EXPECTED:%[.0-9A-Z_a-z]+]], i32 [[DESIRED:%[.0-9A-Z_a-z]+]] syncscope("workgroup") acquire acquire
+  // CHECK: [[OLD:%[.0-9A-Z_a-z]+]] = extractvalue { i32, i1 } [[PAIR]], 0
+  // CHECK: [[CMP:%[.0-9A-Z_a-z]+]] = extractvalue { i32, i1 } [[PAIR]], 1
+  // CHECK: br i1 [[CMP]], label %[[STORE_EXPECTED:[.0-9A-Z_a-z]+]], label %[[CONTINUE:[.0-9A-Z_a-z]+]]
+  // CHECK: store i32 [[OLD]]
+  int cmp = 0;
+  return __opencl_atomic_compare_exchange_strong(i, &cmp, 1, memory_order_acquire, memory_order_acquire, memory_scope_work_group);
+}
+
+void fi5(atomic_int *i, int scope) {
+  // CHECK-LABEL: @fi5
+  // CHECK: switch i32 %{{.*}}, label %[[opencl_allsvmdevices:.*]] [
+  // CHECK-NEXT: i32 1, label %[[opencl_workgroup:.*]]
+  // CHECK-NEXT: i32 2, label %[[opencl_device:.*]]
+  // CHECK-NEXT: i32 4, label %[[opencl_subgroup:.*]]
+  // CHECK-NEXT: ]
+  // CHECK: [[opencl_workgroup]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("workgroup") seq_cst
+  // CHECK: br label %[[continue:.*]]
+  // CHECK: [[opencl_device]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("agent") seq_cst
+  // CHECK: br label %[[continue]]
+  // CHECK: [[opencl_allsvmdevices]]:
+  // CHECK: load atomic i32, i32* %{{.*}} seq_cst
+  // CHECK: br label %[[continue]]
+  // CHECK: [[opencl_subgroup]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("subgroup") seq_cst
+  // CHECK: br label %[[continue]]
+  // CHECK: [[continue]]:
+  int x = __opencl_atomic_load(i, memory_order_seq_cst, scope);
+}
+
+void fi6(atomic_int *i, int order, int scope) {
+  // CHECK-LABEL: @fi6
+  // CHECK: switch i32 %{{.*}}, label %[[monotonic:.*]] [
+  // CHECK-NEXT: i32 1, label %[[acquire:.*]]
+  // CHECK-NEXT: i32 2, label %[[acquire:.*]]
+  // CHECK-NEXT: i32 5, label %[[seqcst:.*]]
+  // CHECK-NEXT: ]
+  // CHECK: [[monotonic]]:
+  // CHECK: switch i32 %{{.*}}, label %[[MON_ALL:.*]] [
+  // CHECK-NEXT: i32 1, label %[[MON_WG:.*]]
+  // CHECK-NEXT: i32 2, label %[[MON_DEV:.*]]
+  // CHECK-NEXT: i32 4, label %[[MON_SUB:.*]]
+  // CHECK-NEXT: ]
+  // CHECK: [[acquire]]:
+  // CHECK: switch i32 %{{.*}}, label %[[ACQ_ALL:.*]] [
+  // CHECK-NEXT: i32 1, label %[[ACQ_WG:.*]]
+  // CHECK-NEXT: i32 2, label %[[ACQ_DEV:.*]]
+  // CHECK-NEXT: i32 4, label %[[ACQ_SUB:.*]]
+  // CHECK-NEXT: ]
+  // CHECK: [[seqcst]]:
+  // CHECK: switch i32 %{{.*}}, label %[[SEQ_ALL:.*]] [
+  // CHECK-NEXT: i32 1, label %[[SEQ_WG:.*]]
+  // CHECK-NEXT: i32 2, label %[[SEQ_DEV:.*]]
+  // CHECK-NEXT: i32 4, label %[[SEQ_SUB:.*]]
+  // CHECK-NEXT: ]
+  // CHECK: [[MON_WG]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("workgroup") monotonic
+  // CHECK: [[MON_DEV]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("agent") monotonic
+  // CHECK: [[MON_ALL]]:
+  // CHECK: load atomic i32, i32* %{{.*}} monotonic
+  // CHECK: [[MON_SUB]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("subgroup") monotonic
+  // CHECK: [[ACQ_WG]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("workgroup") acquire
+  // CHECK: [[ACQ_DEV]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("agent") acquire
+  // CHECK: [[ACQ_ALL]]:
+  // CHECK: load atomic i32, i32* %{{.*}} acquire
+  // CHECK: [[ACQ_SUB]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("subgroup") acquire
+  // CHECK: [[SEQ_WG]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("workgroup") seq_cst
+  // CHECK: [[SEQ_DEV]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("agent") seq_cst
+  // CHECK: [[SEQ_ALL]]:
+  // CHECK: load atomic i32, i32* %{{.*}} seq_cst
+  // CHECK: [[SEQ_SUB]]:
+  // CHECK: load atomic i32, i32* %{{.*}} syncscope("subgroup") seq_cst
+  int x = __opencl_atomic_load(i, order, scope);
+}
+
+float ff1(global atomic_float *d) {
+  // CHECK-LABEL: @ff1
+  // CHECK: load atomic i32, i32 addrspace(1)* {{.*}} syncscope("workgroup") monotonic
+  return __opencl_atomic_load(d, memory_order_relaxed, memory_scope_work_group);
+}
+
+void ff2(atomic_float *d) {
+  // CHECK-LABEL: @ff2
+  // CHECK: store atomic i32 {{.*}} syncscope("workgroup") release
+  __opencl_atomic_store(d, 1, memory_order_release, memory_scope_work_group);
+}
+
+float ff3(atomic_float *d) {
+  // CHECK-LABEL: @ff3
+  // CHECK: atomicrmw xchg i32* {{.*}} syncscope("workgroup") seq_cst
+  return __opencl_atomic_exchange(d, 2, memory_order_seq_cst, memory_scope_work_group);
+}
+
+// CHECK-LABEL: @atomic_init_foo
+void atomic_init_foo()
+{
+  // CHECK-NOT: atomic
+  // CHECK: store
+  __opencl_atomic_init(&j, 42);
+
+  // CHECK-NOT: atomic
+  // CHECK: }
+}
+
+// CHECK-LABEL: @failureOrder
+void failureOrder(atomic_int *ptr, int *ptr2) {
+  // CHECK: cmpxchg i32* {{%[0-9A-Za-z._]+}}, i32 {{%[0-9A-Za-z._]+}}, i32 {{%[0-9A-Za-z_.]+}} syncscope("workgroup") acquire monotonic
+  __opencl_atomic_compare_exchange_strong(ptr, ptr2, 43, memory_order_acquire, memory_order_relaxed, memory_scope_work_group);
+
+  // CHECK: cmpxchg weak i32* {{%[0-9A-Za-z._]+}}, i32 {{%[0-9A-Za-z._]+}}, i32 {{%[0-9A-Za-z_.]+}} syncscope("workgroup") seq_cst acquire
+  __opencl_atomic_compare_exchange_weak(ptr, ptr2, 43, memory_order_seq_cst, memory_order_acquire, memory_scope_work_group);
+}
+
+// CHECK-LABEL: @generalFailureOrder
+void generalFailureOrder(atomic_int *ptr, int *ptr2, int success, int fail) {
+  __opencl_atomic_compare_exchange_strong(ptr, ptr2, 42, success, fail, memory_scope_work_group);
+  // CHECK: switch i32 {{.*}}, label %[[MONOTONIC:[0-9a-zA-Z._]+]] [
+  // CHECK-NEXT: i32 1, label %[[ACQUIRE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: i32 2, label %[[ACQUIRE]]
+  // CHECK-NEXT: i32 3, label %[[RELEASE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: i32 4, label %[[ACQREL:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: i32 5, label %[[SEQCST:[0-9a-zA-Z._]+]]
+
+  // CHECK: [[MONOTONIC]]
+  // CHECK: switch {{.*}}, label %[[MONOTONIC_MONOTONIC:[0-9a-zA-Z._]+]] [
+  // CHECK-NEXT: ]
+
+  // CHECK: [[ACQUIRE]]
+  // CHECK: switch {{.*}}, label %[[ACQUIRE_MONOTONIC:[0-9a-zA-Z._]+]] [
+  // CHECK-NEXT: i32 1, label %[[ACQUIRE_ACQUIRE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: i32 2, label %[[ACQUIRE_ACQUIRE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: ]
+
+  // CHECK: [[RELEASE]]
+  // CHECK: switch {{.*}}, label %[[RELEASE_MONOTONIC:[0-9a-zA-Z._]+]] [
+  // CHECK-NEXT: ]
+
+  // CHECK: [[ACQREL]]
+  // CHECK: switch {{.*}}, label %[[ACQREL_MONOTONIC:[0-9a-zA-Z._]+]] [
+  // CHECK-NEXT: i32 1, label %[[ACQREL_ACQUIRE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: i32 2, label %[[ACQREL_ACQUIRE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: ]
+
+  // CHECK: [[SEQCST]]
+  // CHECK: switch {{.*}}, label %[[SEQCST_MONOTONIC:[0-9a-zA-Z._]+]] [
+  // CHECK-NEXT: i32 1, label %[[SEQCST_ACQUIRE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: i32 2, label %[[SEQCST_ACQUIRE:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: i32 5, label %[[SEQCST_SEQCST:[0-9a-zA-Z._]+]]
+  // CHECK-NEXT: ]
+
+  // CHECK: [[MONOTONIC_MONOTONIC]]
+  // CHECK: cmpxchg {{.*}} monotonic monotonic
+  // CHECK: br
+
+  // CHECK: [[ACQUIRE_MONOTONIC]]
+  // CHECK: cmpxchg {{.*}} acquire monotonic
+  // CHECK: br
+
+  // CHECK: [[ACQUIRE_ACQUIRE]]
+  // CHECK: cmpxchg {{.*}} acquire acquire
+  // CHECK: br
+
+  // CHECK: [[ACQREL_MONOTONIC]]
+  // CHECK: cmpxchg {{.*}} acq_rel monotonic
+  // CHECK: br
+
+  // CHECK: [[ACQREL_ACQUIRE]]
+  // CHECK: cmpxchg {{.*}} acq_rel acquire
+  // CHECK: br
+
+  // CHECK: [[SEQCST_MONOTONIC]]
+  // CHECK: cmpxchg {{.*}} seq_cst monotonic
+  // CHECK: br
+
+  // CHECK: [[SEQCST_ACQUIRE]]
+  // CHECK: cmpxchg {{.*}} seq_cst acquire
+  // CHECK: br
+
+  // CHECK: [[SEQCST_SEQCST]]
+  // CHECK: cmpxchg {{.*}} seq_cst seq_cst
+  // CHECK: br
+}
+
+int test_volatile(volatile atomic_int *i) {
+  // CHECK-LABEL: @test_volatile
+  // CHECK:      %[[i_addr:.*]] = alloca i32
+  // CHECK-NEXT: %[[atomicdst:.*]] = alloca i32
+  // CHECK-NEXT: store i32* %i, i32* addrspace(5)* %[[i_addr]]
+  // CHECK-NEXT: %[[addr:.*]] = load i32*, i32* addrspace(5)* %[[i_addr]]
+  // CHECK-NEXT: %[[res:.*]] = load atomic volatile i32, i32* %[[addr]] syncscope("workgroup") seq_cst
+  // CHECK-NEXT: store i32 %[[res]], i32 addrspace(5)* %[[atomicdst]]
+  // CHECK-NEXT: %[[retval:.*]] = load i32, i32 addrspace(5)* %[[atomicdst]]
+  // CHECK-NEXT: ret i32 %[[retval]]
+  return __opencl_atomic_load(i, memory_order_seq_cst, memory_scope_work_group);
+}
+
+#endif