| // RUN: %clang_cc1 -triple aarch64-none-linux-gnu -emit-llvm -o - %s | FileCheck %s |
| |
| // CHECK: @_Z23used_before_default_defv = weak_odr ifunc void (), ptr @_Z23used_before_default_defv.resolver |
| // CHECK: @_Z22used_after_default_defv = weak_odr ifunc void (), ptr @_Z22used_after_default_defv.resolver |
| // CHECK-NOT: @_Z24used_before_default_declv = weak_odr ifunc void (), ptr @_Z24used_before_default_declv.resolver |
| // CHECK-NOT: @_Z23used_after_default_declv = weak_odr ifunc void (), ptr @_Z23used_after_default_declv.resolver |
| // CHECK-NOT: @_Z15used_no_defaultv = weak_odr ifunc void (), ptr @_Z15used_no_defaultv.resolver |
| // CHECK-NOT: @_Z19not_used_no_defaultv = weak_odr ifunc void (), ptr @_Z19not_used_no_defaultv.resolver |
| // CHECK: @_Z21not_used_with_defaultv = weak_odr ifunc void (), ptr @_Z21not_used_with_defaultv.resolver |
| |
| |
| // 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) {} |
| // CHECK-LABEL: define dso_local void @_Z23used_before_default_defv._Maes( |
| // |
| void call_before_def(void) { used_before_default_def(); } |
| // CHECK-LABEL: define dso_local void @_Z15call_before_defv( |
| // CHECK: call void @_Z23used_before_default_defv() |
| // |
| __attribute__((target_version("default"))) void used_before_default_def(void) {} |
| // CHECK-LABEL: define dso_local void @_Z23used_before_default_defv.default( |
| // |
| // CHECK-NOT: declare void @_Z23used_before_default_defv( |
| |
| |
| // 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) {} |
| // CHECK-LABEL: define dso_local void @_Z22used_after_default_defv._Maes( |
| // |
| __attribute__((target_version("default"))) void used_after_default_def(void) {} |
| // CHECK-LABEL: define dso_local void @_Z22used_after_default_defv.default( |
| // |
| void call_after_def(void) { used_after_default_def(); } |
| // CHECK-LABEL: define dso_local void @_Z14call_after_defv( |
| // CHECK: call void @_Z22used_after_default_defv() |
| // |
| // CHECK-NOT: declare void @_Z22used_after_default_defv( |
| |
| |
| // 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) {} |
| // CHECK-LABEL: define dso_local void @_Z24used_before_default_declv._Maes( |
| // |
| void call_before_decl(void) { used_before_default_decl(); } |
| // CHECK-LABEL: define dso_local void @_Z16call_before_declv( |
| // CHECK: call void @_Z24used_before_default_declv() |
| // |
| __attribute__((target_version("default"))) void used_before_default_decl(void); |
| // CHECK: declare void @_Z24used_before_default_declv() |
| |
| |
| // 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) {} |
| // CHECK-LABEL: define dso_local void @_Z23used_after_default_declv._Maes( |
| // |
| __attribute__((target_version("default"))) void used_after_default_decl(void); |
| // CHECK: declare void @_Z23used_after_default_declv() |
| // |
| void call_after_decl(void) { used_after_default_decl(); } |
| // CHECK-LABEL: define dso_local void @_Z15call_after_declv( |
| // CHECK: call void @_Z23used_after_default_declv() |
| |
| |
| // 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) {} |
| // CHECK-LABEL: define dso_local void @_Z15used_no_defaultv._Maes( |
| // |
| void call_no_default(void) { used_no_default(); } |
| // CHECK-LABEL: define dso_local void @_Z15call_no_defaultv( |
| // CHECK: call void @_Z15used_no_defaultv() |
| // |
| // CHECK: declare void @_Z15used_no_defaultv() |
| |
| |
| // 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) {} |
| // CHECK-LABEL: define dso_local void @_Z19not_used_no_defaultv._Maes( |
| // |
| // CHECK-NOT: declare void @_Z19not_used_no_defaultv( |
| |
| |
| // 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) {} |
| // CHECK-LABEL: define dso_local void @_Z21not_used_with_defaultv._Maes( |
| // |
| __attribute__((target_version("default"))) void not_used_with_default(void) {} |
| // CHECK-LABEL: define dso_local void @_Z21not_used_with_defaultv.default( |
| // |
| // CHECK-NOT: declare void @_Z21not_used_with_defaultv( |
| |
| |
| // CHECK: define weak_odr ptr @_Z23used_before_default_defv.resolver() |
| // CHECK: define weak_odr ptr @_Z22used_after_default_defv.resolver() |
| // CHECK-NOT: define weak_odr ptr @_Z24used_before_default_declv.resolver( |
| // CHECK-NOT: define weak_odr ptr @_Z23used_after_default_declv.resolver( |
| // CHECK-NOT: define weak_odr ptr @_Z15used_no_defaultv.resolver( |
| // CHECK-NOT: define weak_odr ptr @_Z19not_used_no_defaultv.resolver( |
| // CHECK: define weak_odr ptr @_Z21not_used_with_defaultv.resolver() |
