| // RUN: %clang_cc1 -triple thumbv6m-apple-unknown-macho %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-V6M |
| // RUN: %clang_cc1 -triple thumbv7m-apple-unknown-macho %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-V7M |
| // RUN: %clang_cc1 -triple thumbv7-apple-ios13.0 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-HOSTED |
| // RUN: %clang_cc1 -triple thumbv7k-apple-watchos5.0 %s -emit-llvm -o - | FileCheck %s --check-prefixes=CHECK,CHECK-HOSTED |
| |
| |
| // CHECK-V6M: @always1 = global i32 0 |
| // CHECK-V6M: @always4 = global i32 0 |
| // CHECK-V6M: @always8 = global i32 0 |
| |
| // CHECK-V7M: @always1 = global i32 1 |
| // CHECK-V7M: @always4 = global i32 1 |
| // CHECK-V7M: @always8 = global i32 0 |
| |
| // CHECK-HOSTED: @always1 = global i32 1 |
| // CHECK-HOSTED: @always4 = global i32 1 |
| // CHECK-HOSTED: @always8 = global i32 1 |
| |
| int always1 = __atomic_always_lock_free(1, 0); |
| int always4 = __atomic_always_lock_free(4, 0); |
| int always8 = __atomic_always_lock_free(8, 0); |
| |
| int lock_free_1() { |
| // CHECK-LABEL: @lock_free_1 |
| // CHECK-V6M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 1, ptr noundef null) |
| // CHECK-V6M: [[RES32:%.*]] = zext i1 [[RES]] to i32 |
| // CHECK-V6M: ret i32 [[RES32]] |
| |
| // CHECK-V7M: ret i32 1 |
| // CHECK-HOSTED: ret i32 1 |
| return __c11_atomic_is_lock_free(1); |
| } |
| |
| int lock_free_4() { |
| // CHECK-LABEL: @lock_free_4 |
| // CHECK-V6M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 4, ptr noundef null) |
| // CHECK-V6M: [[RES32:%.*]] = zext i1 [[RES]] to i32 |
| // CHECK-V6M: ret i32 [[RES32]] |
| |
| // CHECK-V7M: ret i32 1 |
| // CHECK-HOSTED: ret i32 1 |
| return __c11_atomic_is_lock_free(4); |
| } |
| |
| int lock_free_8() { |
| // CHECK-LABEL: @lock_free_8 |
| // CHECK-V6M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 8, ptr noundef null) |
| // CHECK-V6M: [[RES32:%.*]] = zext i1 [[RES]] to i32 |
| // CHECK-V6M: ret i32 [[RES32]] |
| |
| // CHECK-V7M: [[RES:%.*]] = call arm_aapcscc zeroext i1 @__atomic_is_lock_free(i32 noundef 8, ptr noundef null) |
| // CHECK-V7M: [[RES32:%.*]] = zext i1 [[RES]] to i32 |
| // CHECK-V7M: ret i32 [[RES32]] |
| |
| // CHECK-HOSTED: ret i32 1 |
| return __c11_atomic_is_lock_free(8); |
| } |
