| // REQUIRES: aarch64-registered-target |
| |
| // RUN: %clang -target aarch64-linux-pauthtest %s -S -emit-llvm -o - 2>&1 | FileCheck --implicit-check-not=warning: %s |
| // RUN: not %clang -target aarch64 -fptrauth-returns %s -S -emit-llvm -o - 2>&1 | FileCheck --implicit-check-not=warning: --check-prefix=PTRAUTH-RETURNS %s |
| |
| // Clang fails early, no LLVM IR output produced. |
| // PTRAUTH-RETURNS: clang: error: unsupported option '-fptrauth-returns' for target 'aarch64' |
| // PTRAUTH-RETURNS-NOT: attributes |
| |
| /// Unsupported with pauthtest, warning emitted |
| __attribute__((target("branch-protection=pac-ret"))) void f1() {} |
| // CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes] |
| // CHECK-NEXT: __attribute__((target("branch-protection=pac-ret"))) void f1() {} |
| __attribute__((target("branch-protection=gcs"))) void f2() {} |
| // CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes] |
| // CHECK-NEXT: __attribute__((target("branch-protection=gcs"))) void f2() {} |
| __attribute__((target("branch-protection=standard"))) void f3() {} |
| // CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes] |
| // CHECK-NEXT: __attribute__((target("branch-protection=standard"))) void f3() {} |
| |
| /// Supported with pauthtest, no warning emitted |
| __attribute__((target("branch-protection=bti"))) void f4() {} |
| |
| /// Supported with pauthtest, no warning emitted |
| __attribute__((target("branch-protection=none"))) void f5() {} |
| |
| /// Check there are no branch protection function attributes which are unsupported with pauthtest |
| |
| // CHECK-NOT: attributes {{.*}} "sign-return-address" |
| // CHECK-NOT: attributes {{.*}} "sign-return-address-key" |
| // CHECK-NOT: attributes {{.*}} "branch-protection-pauth-lr" |
| // CHECK-NOT: attributes {{.*}} "guarded-control-stack" |
| |
| /// Check function attributes which are supported with pauthtest |
| // CHECK: attributes {{.*}} "branch-target-enforcement" |
