1651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// RUN: %clang_cc1 %s -emit-llvm -o - -triple=arm64-apple-ios7 | FileCheck %s 2651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 3651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// Memory ordering values. 4651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesenum { 5651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines memory_order_relaxed = 0, 6651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines memory_order_consume = 1, 7651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines memory_order_acquire = 2, 8651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines memory_order_release = 3, 9651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines memory_order_acq_rel = 4, 10651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines memory_order_seq_cst = 5 11651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines}; 12651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 13651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinestypedef struct { void *a, *b; } pointer_pair_t; 14651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinestypedef struct { void *a, *b, *c, *d; } pointer_quad_t; 15651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 16651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// rdar://13489679 17651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 18651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesextern _Atomic(_Bool) a_bool; 19651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesextern _Atomic(float) a_float; 20651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesextern _Atomic(void*) a_pointer; 21651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesextern _Atomic(pointer_pair_t) a_pointer_pair; 22651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesextern _Atomic(pointer_quad_t) a_pointer_quad; 23651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 24651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: define void @test0() 25651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: [[TEMP:%.*]] = alloca i8, align 1 26651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: store i8 1, i8* [[TEMP]] 27651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T0:%.*]] = load i8* [[TEMP]], align 1 28651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: store atomic i8 [[T0]], i8* @a_bool seq_cst, align 1 29651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesvoid test0() { 30651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines __c11_atomic_store(&a_bool, 1, memory_order_seq_cst); 31651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 32651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 33651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: define void @test1() 34651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: [[TEMP:%.*]] = alloca float, align 4 35651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: store float 3.000000e+00, float* [[TEMP]] 36651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T0:%.*]] = bitcast float* [[TEMP]] to i32* 37651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T1:%.*]] = load i32* [[T0]], align 4 38651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: store atomic i32 [[T1]], i32* bitcast (float* @a_float to i32*) seq_cst, align 4 39651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesvoid test1() { 40651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines __c11_atomic_store(&a_float, 3, memory_order_seq_cst); 41651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 42651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 43651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: define void @test2() 44651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: [[TEMP:%.*]] = alloca i8*, align 8 45651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: store i8* @a_bool, i8** [[TEMP]] 46651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T0:%.*]] = bitcast i8** [[TEMP]] to i64* 47651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T1:%.*]] = load i64* [[T0]], align 8 48651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: store atomic i64 [[T1]], i64* bitcast (i8** @a_pointer to i64*) seq_cst, align 8 49651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesvoid test2() { 50651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines __c11_atomic_store(&a_pointer, &a_bool, memory_order_seq_cst); 51651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 52651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 53651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: define void @test3( 54651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: [[PAIR:%.*]] = alloca [[PAIR_T:%.*]], align 8 55651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[TEMP:%.*]] = alloca [[PAIR_T]], align 8 56651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: llvm.memcpy 57651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T0:%.*]] = bitcast [[PAIR_T]]* [[TEMP]] to i128* 58651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T1:%.*]] = load i128* [[T0]], align 16 59651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: store atomic i128 [[T1]], i128* bitcast ([[PAIR_T]]* @a_pointer_pair to i128*) seq_cst, align 16 60651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesvoid test3(pointer_pair_t pair) { 61651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines __c11_atomic_store(&a_pointer_pair, pair, memory_order_seq_cst); 62651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 63651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines 64651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: define void @test4([[QUAD_T:%.*]]* 65651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK: [[TEMP:%.*]] = alloca [[QUAD_T:%.*]], align 8 66651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T0:%.*]] = bitcast [[QUAD_T]]* [[TEMP]] to i8* 67651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T1:%.*]] = bitcast [[QUAD_T]]* {{%.*}} to i8* 68651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: call void @llvm.memcpy.p0i8.p0i8.i64(i8* [[T0]], i8* [[T1]], i64 32, i32 8, i1 false) 69651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: [[T0:%.*]] = bitcast [[QUAD_T]]* [[TEMP]] to i8* 70651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines// CHECK-NEXT: call void @__atomic_store(i64 32, i8* bitcast ([[QUAD_T]]* @a_pointer_quad to i8*), i8* [[T0]], i32 5) 71651f13cea278ec967336033dd032faef0e9fc2ecStephen Hinesvoid test4(pointer_quad_t quad) { 72651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines __c11_atomic_store(&a_pointer_quad, quad, memory_order_seq_cst); 73651f13cea278ec967336033dd032faef0e9fc2ecStephen Hines} 74