1 | // RUN: %clang_cc1 -Wall -Werror -triple thumbv8-linux-gnueabi -fno-signed-char -emit-llvm -o - %s | FileCheck %s |
2 | // RUN: %clang_cc1 -Wall -Werror -triple arm64-apple-ios7.0 -emit-llvm -o - %s | FileCheck %s --check-prefix=CHECK-ARM64 |
3 | |
4 | bool b; |
5 | |
6 | // CHECK-LABEL: @_Z10test_ldrexv() |
7 | // CHECK: call i32 @llvm.arm.ldrex.p0i8(i8* @b) |
8 | |
9 | // CHECK-ARM64-LABEL: @_Z10test_ldrexv() |
10 | // CHECK-ARM64: call i64 @llvm.aarch64.ldxr.p0i8(i8* @b) |
11 | |
12 | void test_ldrex() { |
13 | b = __builtin_arm_ldrex(&b); |
14 | } |
15 | |
16 | // CHECK-LABEL: @_Z10tset_strexv() |
17 | // CHECK: %{{.*}} = call i32 @llvm.arm.strex.p0i8(i32 1, i8* @b) |
18 | |
19 | // CHECK-ARM64-LABEL: @_Z10tset_strexv() |
20 | // CHECK-ARM64: %{{.*}} = call i32 @llvm.aarch64.stxr.p0i8(i64 1, i8* @b) |
21 | |
22 | void tset_strex() { |
23 | __builtin_arm_strex(true, &b); |
24 | } |
25 | |