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llvm-project/clang/test/CodeGenOpenCL/atomic-ops.cl

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// 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("wavefront") 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-one-as") 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("wavefront") 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-one-as") monotonic
// CHECK: [[MON_DEV]]:
// CHECK: load atomic i32, i32* %{{.*}} syncscope("agent-one-as") monotonic
// CHECK: [[MON_ALL]]:
// CHECK: load atomic i32, i32* %{{.*}} monotonic
// CHECK: [[MON_SUB]]:
// CHECK: load atomic i32, i32* %{{.*}} syncscope("wavefront-one-as") monotonic
// CHECK: [[ACQ_WG]]:
// CHECK: load atomic i32, i32* %{{.*}} syncscope("workgroup-one-as") acquire
// CHECK: [[ACQ_DEV]]:
// CHECK: load atomic i32, i32* %{{.*}} syncscope("agent-one-as") acquire
// CHECK: [[ACQ_ALL]]:
// CHECK: load atomic i32, i32* %{{.*}} acquire
// CHECK: [[ACQ_SUB]]:
// CHECK: load atomic i32, i32* %{{.*}} syncscope("wavefront-one-as") 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("wavefront") 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-one-as") 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-one-as") 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-one-as") 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
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