1 // RUN: %clang_cc1 -triple thumbv6m-apple-unknown-macho %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-V6M
2 // RUN: %clang_cc1 -triple thumbv7m-apple-unknown-macho %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-V7M
3 // RUN: %clang_cc1 -triple thumbv7-apple-ios13.0 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-HOSTED
4 // RUN: %clang_cc1 -triple thumbv7k-apple-watchos5.0 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-HOSTED
5
6
7 // CHECK-V6M: @always1 = global i32 0
8 // CHECK-V6M: @always4 = global i32 0
9 // CHECK-V6M: @always8 = global i32 0
10
11 // CHECK-V7M: @always1 = global i32 1
12 // CHECK-V7M: @always4 = global i32 1
13 // CHECK-V7M: @always8 = global i32 0
14
15 // CHECK-HOSTED: @always1 = global i32 1
16 // CHECK-HOSTED: @always4 = global i32 1
17 // CHECK-HOSTED: @always8 = global i32 1
18
19 int always1 = __atomic_always_lock_free(1, 0);
20 int always4 = __atomic_always_lock_free(4, 0);
21 int always8 = __atomic_always_lock_free(8, 0);
22
lock_free_1()23 int lock_free_1() {
24 // CHECK-LABEL: @lock_free_1
25 // CHECK-V6M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 1, ptr noundef null)
26 // CHECK-V6M: [[RES32:%.*]] = zext i1 [[RES]] to i32
27 // CHECK-V6M: ret i32 [[RES32]]
28
29 // CHECK-V7M: ret i32 1
30 // CHECK-HOSTED: ret i32 1
31 return __c11_atomic_is_lock_free(1);
32 }
33
lock_free_4()34 int lock_free_4() {
35 // CHECK-LABEL: @lock_free_4
36 // CHECK-V6M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 4, ptr noundef null)
37 // CHECK-V6M: [[RES32:%.*]] = zext i1 [[RES]] to i32
38 // CHECK-V6M: ret i32 [[RES32]]
39
40 // CHECK-V7M: ret i32 1
41 // CHECK-HOSTED: ret i32 1
42 return __c11_atomic_is_lock_free(4);
43 }
44
lock_free_8()45 int lock_free_8() {
46 // CHECK-LABEL: @lock_free_8
47 // CHECK-V6M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 8, ptr noundef null)
48 // CHECK-V6M: [[RES32:%.*]] = zext i1 [[RES]] to i32
49 // CHECK-V6M: ret i32 [[RES32]]
50
51 // CHECK-V7M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 8, ptr noundef null)
52 // CHECK-V7M: [[RES32:%.*]] = zext i1 [[RES]] to i32
53 // CHECK-V7M: ret i32 [[RES32]]
54
55 // CHECK-HOSTED: ret i32 1
56 return __c11_atomic_is_lock_free(8);
57 }
58