clang/test/Frontend/arm-branch-protection-default-arch.c

   1 // REQUIRES: arm-registered-target
   2
   3 /// Check warning for
   4 // RUN: %clang -target arm-arm-none-eabi %s -S -o - 2>&1 | FileCheck %s
   5
   6 __attribute__((target("branch-protection=bti"))) void f1() {}
   7 __attribute__((target("branch-protection=pac-ret"))) void f2() {}
   8 __attribute__((target("branch-protection=bti+pac-ret"))) void f3() {}
   9 __attribute__((target("branch-protection=bti+pac-ret+leaf"))) void f4() {}
  10
  11 // CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
  12 // CHECK-NEXT: __attribute__((target("branch-protection=bti"))) void f1() {}
  13
  14 // CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
  15 // CHECK-NEXT: __attribute__((target("branch-protection=pac-ret"))) void f2() {}
  16
  17 // CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
  18 // CHECK-NEXT: __attribute__((target("branch-protection=bti+pac-ret"))) void f3() {}
  19
  20 // CHECK: warning: unsupported 'branch-protection' in the 'target' attribute string; 'target' attribute ignored [-Wignored-attributes]
  21 // CHECK-NEXT: __attribute__((target("branch-protection=bti+pac-ret+leaf"))) void f4() {}
  22
  23 /// Check there are no branch protection function attributes
  24
  25 // CHECK-NOT:  attributes { {{.*}} "sign-return-address"
  26 // CHECK-NOT:  attributes { {{.*}} "sign-return-address-key"
  27 // CHECK-NOT:  attributes { {{.*}} "branch-target-enforcement"