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// RUN: %clang_cc1 -triple aarch64-linux-gnu -mbranch-target-enforce -emit-llvm %s -o - | FileCheck --check-prefixes=BTI,ELF %s
// RUN: %clang_cc1 -triple arm64-apple-ios -mbranch-target-enforce -emit-llvm %s -o - | FileCheck --check-prefixes=BTI %s
// RUN: %clang_cc1 -triple aarch64-linux-gnu -emit-llvm %s -o - | FileCheck --check-prefixes=NOBTI,ELF %s
// RUN: %clang_cc1 -triple arm64-apple-ios -emit-llvm %s -o - | FileCheck --check-prefixes=NOBTI %s
// RUN: %clang_cc1 -triple aarch64-linux-gnu -fvisibility=hidden -emit-llvm %s -o - | FileCheck --check-prefixes=HIDDEN,ELF %s
// RUN: %clang_cc1 -triple arm64-apple-ios -fvisibility=hidden -emit-llvm %s -o - | FileCheck --check-prefixes=HIDDEN %s
// Check that the resolver functions generated by Clang have the correct attributes.
// In these test cases, branch-target-enforcement is used as an example of
// target-specific attribute that has to be set on every function by default.
// FIXME: `cpu_specific`/`cpu_dispatch` and `target` attributes cannot be
// tested on AArch64.
__attribute__((target_clones("crc", "default")))
int global_target_clones(void) { return 0; }
__attribute__((target_version("crc"))) int global_target_version(void) { return 0; }
__attribute__((target_version("default"))) int global_target_version(void) { return 0; }
__attribute__((target_clones("crc", "default")))
static int static_target_clones(void) { return 0; }
__attribute__((target_version("crc"))) static int static_target_version(void) { return 0; }
__attribute__((target_version("default"))) static int static_target_version(void) { return 0; }
// Force emission of static_* functions.
void *get_ptr1(void) { return static_target_clones; }
void *get_ptr2(void) { return static_target_version; }
#ifdef __ELF__
// Make sure target-specific attributes can be overriden as needed for
// non-autogenerated resolver functions.
// Note that since there is only a single definition of ifunc_resolver, it
// is not itself a multi-versioned function, even though it has target(...)
// attribute.
int ifunc_func(void) { return 0; }
__attribute__((target("branch-protection=bti"))) void *ifunc_resolver(void) { return ifunc_func; }
__attribute__((ifunc("ifunc_resolver"))) int ifunc(void);
#endif
// ELF: define{{.*}} ptr @ifunc_resolver() #[[ATTR_IFUNC_RESOLVER:[0-9]+]]
// BTI: define weak_odr ptr @global_target_clones.resolver() #[[ATTR_RESOLVER:[0-9]+]]
// BTI: define weak_odr ptr @global_target_version.resolver() #[[ATTR_RESOLVER]]
// BTI: define internal ptr @static_target_clones.resolver() #[[ATTR_RESOLVER]]
// BTI: define internal ptr @static_target_version.resolver() #[[ATTR_RESOLVER]]
// In NOBTI case, no attribute groups are assigned to the resolver functions:
// NOBTI: define weak_odr ptr @global_target_clones.resolver(){{( comdat)?}} {
// NOBTI: define weak_odr ptr @global_target_version.resolver(){{( comdat)?}} {
// NOBTI: define internal ptr @static_target_clones.resolver() {
// NOBTI: define internal ptr @static_target_version.resolver() {
// HIDDEN: define weak_odr hidden ptr @global_target_clones.resolver(){{( comdat)?}} {
// HIDDEN: define weak_odr hidden ptr @global_target_version.resolver(){{( comdat)?}} {
// HIDDEN: define internal ptr @static_target_clones.resolver() {
// HIDDEN: define internal ptr @static_target_version.resolver() {
// ELF: attributes #[[ATTR_IFUNC_RESOLVER]] = { {{.*}}"branch-target-enforcement"{{.*}} }
// BTI: attributes #[[ATTR_RESOLVER]] = { {{.*}}"branch-target-enforcement"{{.*}} }
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