llvm-project/clang/test/CodeGen/builtins-arm.c

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// REQUIRES: arm-registered-target
// RUN: %clang_cc1 -Wall -Werror -triple thumbv7-eabi -target-cpu cortex-a8 -O3 -emit-llvm -o - %s | FileCheck %s
void *f0()
{
return __builtin_thread_pointer();
}
void f1(char *a, char *b) {
__clear_cache(a,b);
}
// CHECK: call {{.*}} @__clear_cache
void test_eh_return_data_regno()
{
volatile int res;
res = __builtin_eh_return_data_regno(0); // CHECK: store volatile i32 0
res = __builtin_eh_return_data_regno(1); // CHECK: store volatile i32 1
}
void sevl() {
__builtin_arm_sevl();
}
// CHECK: call {{.*}} @llvm.arm.sevl
void test_barrier() {
__builtin_arm_dmb(1); //CHECK: call {{.*}} @llvm.arm.dmb(i32 1)
__builtin_arm_dsb(2); //CHECK: call {{.*}} @llvm.arm.dsb(i32 2)
}