1 // REQUIRES: arm-registered-target 2 // RUN: %clang_cc1 -triple thumbv7m-unknown-unknown-eabi -emit-llvm %s -o - \ 3 // RUN: | FileCheck %s --check-prefix=CHECK 4 // RUN: %clang_cc1 -triple thumbv7m-unknown-unknown-eabi -mbranch-target-enforce -emit-llvm %s -o - \ 5 // RUN: | FileCheck %s --check-prefix=CHECK 6 // RUN: %clang_cc1 -triple thumbv7m-unknown-unknown-eabi -msign-return-address=all -emit-llvm %s -o - \ 7 // RUN: | FileCheck %s --check-prefix=CHECK 8 // RUN: %clang_cc1 -triple thumbv7m-unknown-unknown-eabi -mbranch-target-enforce -msign-return-address=all -emit-llvm %s -o - \ 9 // RUN: | FileCheck %s --check-prefix=CHECK 10 11 __attribute__((target("branch-protection=none"))) void none() {} 12 // CHECK: define{{.*}} void @none() #[[#NONE:]] 13 14 __attribute__((target("branch-protection=standard"))) void std() {} 15 // CHECK: define{{.*}} void @std() #[[#STD:]] 16 17 __attribute__((target("branch-protection=bti"))) void btionly() {} 18 // CHECK: define{{.*}} void @btionly() #[[#BTI:]] 19 20 __attribute__((target("branch-protection=pac-ret"))) void paconly0() {} 21 // CHECK: define{{.*}} void @paconly0() #[[#PAC:]] 22 23 __attribute__((target("branch-protection=pac-ret+b-key"))) void paconly1() {} 24 // CHECK: define{{.*}} void @paconly1() #[[#PAC]] 25 26 __attribute__((target("branch-protection=pac-ret+bti"))) void pacbti0() {} 27 // CHECK: define{{.*}} void @pacbti0() #[[#STD]] 28 29 __attribute__((target("branch-protection=bti+pac-ret"))) void pacbti1() {} 30 // CHECK: define{{.*}} void @pacbti1() #[[#STD]] 31 32 __attribute__((target("branch-protection=pac-ret+leaf"))) void leaf() {} 33 // CHECK: define{{.*}} void @leaf() #[[#PACLEAF:]] 34 35 __attribute__((target("branch-protection=pac-ret+leaf+bti"))) void btileaf() {} 36 // CHECK: define{{.*}} void @btileaf() #[[#BTIPACLEAF:]] 37 38 // CHECK-DAG: attributes #[[#NONE]] = { {{.*}} 39 40 // CHECK-DAG: attributes #[[#STD]] = { {{.*}} "branch-target-enforcement" {{.*}} "sign-return-address"="non-leaf" 41 42 // CHECK-DAG: attributes #[[#BTI]] = { {{.*}} "branch-target-enforcement" 43 44 // CHECK-DAG: attributes #[[#PAC]] = { {{.*}} "sign-return-address"="non-leaf" 45 46 // CHECK-DAG: attributes #[[#PACLEAF]] = { {{.*}} "sign-return-address"="all" 47 48 // CHECK-DAG: attributes #[[#BTIPACLEAF]] = { {{.*}} "branch-target-enforcement" {{.*}} "sign-return-address"="all" 49