| // NOTE: Assertions have been autogenerated by utils/update_cc_test_checks.py UTC_ARGS: --function-signature --check-attributes --check-globals --include-generated-funcs --global-value-regex ".*" |
| // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s |
| |
| |
| // Test that an ifunc is generated and used when the default |
| // version is defined after the first use of the function. |
| __attribute__((target_version("aes"))) void used_before_default_def(void) {} |
| void call_before_def(void) { used_before_default_def(); } |
| __attribute__((target_version("default"))) void used_before_default_def(void) {} |
| |
| |
| // Test that an ifunc is generated and used when the default |
| // version is defined before the first use of the function. |
| __attribute__((target_version("aes"))) void used_after_default_def(void) {} |
| __attribute__((target_version("default"))) void used_after_default_def(void) {} |
| void call_after_def(void) { used_after_default_def(); } |
| |
| |
| // Test that an unmagled declaration is generated and used when the |
| // default version is declared after the first use of the function. |
| __attribute__((target_version("aes"))) void used_before_default_decl(void) {} |
| void call_before_decl(void) { used_before_default_decl(); } |
| __attribute__((target_version("default"))) void used_before_default_decl(void); |
| |
| |
| // Test that an unmagled declaration is generated and used when the |
| // default version is declared before the first use of the function. |
| __attribute__((target_version("aes"))) void used_after_default_decl(void) {} |
| __attribute__((target_version("default"))) void used_after_default_decl(void); |
| void call_after_decl(void) { used_after_default_decl(); } |
| |
| |
| // Test that an unmagled declaration is generated and used when |
| // the default version is not present. |
| __attribute__((target_version("aes"))) void used_no_default(void) {} |
| void call_no_default(void) { used_no_default(); } |
| |
| |
| // Test that neither an ifunc nor a declaration is generated if the default |
| // definition is missing since the versioned function is not used. |
| __attribute__((target_version("aes"))) void not_used_no_default(void) {} |
| |
| |
| // Test that an ifunc is generated if the default version is defined but not used. |
| __attribute__((target_version("aes"))) void not_used_with_default(void) {} |
| __attribute__((target_version("default"))) void not_used_with_default(void) {} |
| |
| |
| // Test that the ifunc symbol can be used for indirect calls. |
| __attribute__((target_version("aes"))) void indirect_use(void) {} |
| __attribute__((target_version("default"))) void indirect_use(void) {} |
| typedef void (*fptr)(void); |
| void call_indirectly(void) { |
| fptr fn = indirect_use; |
| fn(); |
| } |
| |
| |
| // Test that an internal ifunc is generated if the versions are annotated with static inline. |
| static inline __attribute__((target_version("aes"))) void internal_func(void) {} |
| static inline __attribute__((target_version("default"))) void internal_func(void) {} |
| void call_internal(void) { internal_func(); } |
| |
| |
| // Test that an ifunc is generated with if the versions are annotated with inline. |
| inline __attribute__((target_version("aes"))) void linkonce_func(void) {} |
| inline __attribute__((target_version("default"))) void linkonce_func(void) {} |
| void call_linkonce(void) { linkonce_func(); } |
| |
| |
| // Test that an ifunc is generated when the clones attribute has a default version. |
| __attribute__((target_clones("default", "aes"))) void clones_with_default(void) {} |
| |
| |
| // Test that an ifunc is NOT generated when the clones attribute does not have a default version. |
| __attribute__((target_clones("aes"))) void clones_without_default(void) {} |
| |
| |
| //. |
| // CHECK: @__aarch64_cpu_features = external dso_local global { i64 } |
| // CHECK: @used_before_default_def = weak_odr ifunc void (), ptr @used_before_default_def.resolver |
| // CHECK: @used_after_default_def = weak_odr ifunc void (), ptr @used_after_default_def.resolver |
| // CHECK: @not_used_with_default = weak_odr ifunc void (), ptr @not_used_with_default.resolver |
| // CHECK: @indirect_use = weak_odr ifunc void (), ptr @indirect_use.resolver |
| // CHECK: @internal_func = internal ifunc void (), ptr @internal_func.resolver |
| // CHECK: @linkonce_func = weak_odr ifunc void (), ptr @linkonce_func.resolver |
| // CHECK: @clones_with_default = weak_odr ifunc void (), ptr @clones_with_default.resolver |
| //. |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@used_before_default_def._Maes |
| // CHECK-SAME: () #[[ATTR0:[0-9]+]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_before_def |
| // CHECK-SAME: () #[[ATTR1:[0-9]+]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @used_before_default_def() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@used_before_default_def.default |
| // CHECK-SAME: () #[[ATTR2:[0-9]+]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@used_after_default_def._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@used_after_default_def.default |
| // CHECK-SAME: () #[[ATTR2]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_after_def |
| // CHECK-SAME: () #[[ATTR1]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @used_after_default_def() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@used_before_default_decl._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_before_decl |
| // CHECK-SAME: () #[[ATTR1]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @used_before_default_decl() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@used_after_default_decl._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_after_decl |
| // CHECK-SAME: () #[[ATTR1]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @used_after_default_decl() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@used_no_default._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_no_default |
| // CHECK-SAME: () #[[ATTR1]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @used_no_default() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@not_used_no_default._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@not_used_with_default._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@not_used_with_default.default |
| // CHECK-SAME: () #[[ATTR2]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@indirect_use._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@indirect_use.default |
| // CHECK-SAME: () #[[ATTR2]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_indirectly |
| // CHECK-SAME: () #[[ATTR1]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: [[FN:%.*]] = alloca ptr, align 8 |
| // CHECK-NEXT: store ptr @indirect_use, ptr [[FN]], align 8 |
| // CHECK-NEXT: [[TMP0:%.*]] = load ptr, ptr [[FN]], align 8 |
| // CHECK-NEXT: call void [[TMP0]]() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_internal |
| // CHECK-SAME: () #[[ATTR1]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @internal_func() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@call_linkonce |
| // CHECK-SAME: () #[[ATTR1]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: call void @linkonce_func() |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@clones_with_default.default |
| // CHECK-SAME: () #[[ATTR2]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@clones_with_default._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@clones_without_default._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK-LABEL: define {{[^@]+}}@used_before_default_def.resolver() comdat { |
| // CHECK-NEXT: resolver_entry: |
| // CHECK-NEXT: call void @__init_cpu_features_resolver() |
| // CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 33536 |
| // CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 33536 |
| // CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]] |
| // CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]] |
| // CHECK: resolver_return: |
| // CHECK-NEXT: ret ptr @used_before_default_def._Maes |
| // CHECK: resolver_else: |
| // CHECK-NEXT: ret ptr @used_before_default_def.default |
| // |
| // |
| // CHECK-LABEL: define {{[^@]+}}@used_after_default_def.resolver() comdat { |
| // CHECK-NEXT: resolver_entry: |
| // CHECK-NEXT: call void @__init_cpu_features_resolver() |
| // CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 33536 |
| // CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 33536 |
| // CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]] |
| // CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]] |
| // CHECK: resolver_return: |
| // CHECK-NEXT: ret ptr @used_after_default_def._Maes |
| // CHECK: resolver_else: |
| // CHECK-NEXT: ret ptr @used_after_default_def.default |
| // |
| // |
| // CHECK-LABEL: define {{[^@]+}}@not_used_with_default.resolver() comdat { |
| // CHECK-NEXT: resolver_entry: |
| // CHECK-NEXT: call void @__init_cpu_features_resolver() |
| // CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 33536 |
| // CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 33536 |
| // CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]] |
| // CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]] |
| // CHECK: resolver_return: |
| // CHECK-NEXT: ret ptr @not_used_with_default._Maes |
| // CHECK: resolver_else: |
| // CHECK-NEXT: ret ptr @not_used_with_default.default |
| // |
| // |
| // CHECK-LABEL: define {{[^@]+}}@indirect_use.resolver() comdat { |
| // CHECK-NEXT: resolver_entry: |
| // CHECK-NEXT: call void @__init_cpu_features_resolver() |
| // CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 33536 |
| // CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 33536 |
| // CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]] |
| // CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]] |
| // CHECK: resolver_return: |
| // CHECK-NEXT: ret ptr @indirect_use._Maes |
| // CHECK: resolver_else: |
| // CHECK-NEXT: ret ptr @indirect_use.default |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@internal_func._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@internal_func.default |
| // CHECK-SAME: () #[[ATTR2]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK-LABEL: define {{[^@]+}}@internal_func.resolver() { |
| // CHECK-NEXT: resolver_entry: |
| // CHECK-NEXT: call void @__init_cpu_features_resolver() |
| // CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 33536 |
| // CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 33536 |
| // CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]] |
| // CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]] |
| // CHECK: resolver_return: |
| // CHECK-NEXT: ret ptr @internal_func._Maes |
| // CHECK: resolver_else: |
| // CHECK-NEXT: ret ptr @internal_func.default |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@linkonce_func._Maes |
| // CHECK-SAME: () #[[ATTR0]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK: Function Attrs: noinline nounwind optnone |
| // CHECK-LABEL: define {{[^@]+}}@linkonce_func.default |
| // CHECK-SAME: () #[[ATTR2]] { |
| // CHECK-NEXT: entry: |
| // CHECK-NEXT: ret void |
| // |
| // |
| // CHECK-LABEL: define {{[^@]+}}@linkonce_func.resolver() comdat { |
| // CHECK-NEXT: resolver_entry: |
| // CHECK-NEXT: call void @__init_cpu_features_resolver() |
| // CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 33536 |
| // CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 33536 |
| // CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]] |
| // CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]] |
| // CHECK: resolver_return: |
| // CHECK-NEXT: ret ptr @linkonce_func._Maes |
| // CHECK: resolver_else: |
| // CHECK-NEXT: ret ptr @linkonce_func.default |
| // |
| // |
| // CHECK-LABEL: define {{[^@]+}}@clones_with_default.resolver() comdat { |
| // CHECK-NEXT: resolver_entry: |
| // CHECK-NEXT: call void @__init_cpu_features_resolver() |
| // CHECK-NEXT: [[TMP0:%.*]] = load i64, ptr @__aarch64_cpu_features, align 8 |
| // CHECK-NEXT: [[TMP1:%.*]] = and i64 [[TMP0]], 33536 |
| // CHECK-NEXT: [[TMP2:%.*]] = icmp eq i64 [[TMP1]], 33536 |
| // CHECK-NEXT: [[TMP3:%.*]] = and i1 true, [[TMP2]] |
| // CHECK-NEXT: br i1 [[TMP3]], label [[RESOLVER_RETURN:%.*]], label [[RESOLVER_ELSE:%.*]] |
| // CHECK: resolver_return: |
| // CHECK-NEXT: ret ptr @clones_with_default._Maes |
| // CHECK: resolver_else: |
| // CHECK-NEXT: ret ptr @clones_with_default.default |
| // |
| //. |
| // CHECK: [[META0:![0-9]+]] = !{i32 1, !"wchar_size", i32 4} |
| // CHECK: [[META1:![0-9]+]] = !{!"{{.*}}clang version {{.*}}"} |
| //. |
