1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
// REQUIRES: arm-registered-target
// RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -S -emit-llvm -o - -mbranch-protection=none %s | FileCheck %s --check-prefix=CHECK --check-prefix=NONE
// RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -S -emit-llvm -o - -mbranch-protection=pac-ret %s | FileCheck %s --check-prefix=CHECK --check-prefix=PART
// RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -S -emit-llvm -o - -mbranch-protection=pac-ret+leaf %s | FileCheck %s --check-prefix=CHECK --check-prefix=ALL
// RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -S -emit-llvm -o - -mbranch-protection=pac-ret+b-key %s | FileCheck %s --check-prefix=CHECK --check-prefix=PART
// RUN: %clang -target arm-arm-none-eabi -march=armv8.1-m.main -S -emit-llvm -o - -mbranch-protection=bti %s | FileCheck %s --check-prefix=CHECK --check-prefix=BTE
// Check there are branch protection function attributes
// CHECK-LABEL: @foo() #[[#ATTR:]]
// NONE-NOT: attributes #[[#ATTR]] = { {{.*}} "sign-return-address"
// NONE-NOT: attributes #[[#ATTR]] = { {{.*}} "sign-return-address-key"
// NONE-NOT: attributes #[[#ATTR]] = { {{.*}} "branch-target-enforcement"
// ALL: attributes #[[#ATTR]] = { {{.*}} "sign-return-address"="all"
// PART: attributes #[[#ATTR]] = { {{.*}} "sign-return-address"="non-leaf"
// BTE: attributes #[[#ATTR]] = { {{.*}} "branch-target-enforcement"
// Check module attributes
// NONE-NOT: !"branch-target-enforcement"
// PART-NOT: !"branch-target-enforcement"
// ALL-NOT: !"branch-target-enforcement"
// BTE: !{i32 8, !"branch-target-enforcement", i32 1}
// NONE-NOT: !"sign-return-address"
// PART: !{i32 8, !"sign-return-address", i32 1}
// ALL: !{i32 8, !"sign-return-address", i32 1}
// BTE-NOT: !"sign-return-address"
// NONE-NOT: !"sign-return-address-all", i32 0}
// PART-NOT: !"sign-return-address-all", i32 0}
// ALL: !{i32 8, !"sign-return-address-all", i32 1}
// BTE-NOT: !"sign-return-address-all", i32 0}
void foo() {}
|
