llvm-project/clang/test/CodeGen/arm-branch-protection-attr-2.c

34 lines
1.8 KiB
C

// REQUIRES: arm-registered-target
// RUN: %clang -target arm-arm-none-eabi -march=armv7-m -S -emit-llvm -o - -mbranch-protection=none %s | FileCheck %s --check-prefix=CHECK --check-prefix=NONE
// RUN: %clang -target arm-arm-none-eabi -march=armv7-m -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=armv7-m -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=armv7-m -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=armv7-m -S -emit-llvm -o - -mbranch-protection=bti %s | FileCheck %s --check-prefix=CHECK --check-prefix=BTE
// Check there are no branch protection function attributes
// CHECK-LABEL: @foo() #[[#ATTR:]]
// CHECK-NOT: attributes #[[#ATTR]] = { {{.*}} "sign-return-address"
// CHECK-NOT: attributes #[[#ATTR]] = { {{.*}} "sign-return-address-key"
// CHECK-NOT: attributes #[[#ATTR]] = { {{.*}} "branch-target-enforcement"
// Check module attributes
// NONE: !{i32 1, !"branch-target-enforcement", i32 0}
// PART: !{i32 1, !"branch-target-enforcement", i32 0}
// ALL: !{i32 1, !"branch-target-enforcement", i32 0}
// BTE: !{i32 1, !"branch-target-enforcement", i32 1}
// NONE: !{i32 1, !"sign-return-address", i32 0}
// PART: !{i32 1, !"sign-return-address", i32 1}
// ALL: !{i32 1, !"sign-return-address", i32 1}
// BTE: !{i32 1, !"sign-return-address", i32 0}
// NONE: !{i32 1, !"sign-return-address-all", i32 0}
// PART: !{i32 1, !"sign-return-address-all", i32 0}
// ALL: !{i32 1, !"sign-return-address-all", i32 1}
// BTE: !{i32 1, !"sign-return-address-all", i32 0}
void foo() {}