clang/test/CodeGen/arm-branch-protection-attr-1.c

   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"