| ; Testcase to check that module with different branch-target-enforcement can |
| ; be mixed. |
| ; |
| ; RUN: llvm-as %s -o %t1.bc |
| ; RUN: llvm-as %p/Inputs/foo.ll -o %t2.bc |
| ; RUN: llvm-lto -exported-symbol main \ |
| ; RUN: -exported-symbol foo \ |
| ; RUN: -filetype=obj \ |
| ; RUN: %t1.bc %t2.bc \ |
| ; RUN: -o %t1.exe 2>&1 | FileCheck --allow-empty %s |
| ; RUN: llvm-objdump -d %t1.exe | FileCheck --check-prefix=CHECK-DUMP %s |
| ; RUN: llvm-readelf -n %t1.exe | FileCheck --check-prefix=CHECK-PROP %s |
| |
| target datalayout = "e-m:e-i8:8:32-i16:16:32-i64:64-i128:128-n32:64-S128" |
| target triple = "aarch64-unknown-linux-gnu" |
| |
| declare i32 @foo(); |
| |
| define i32 @main() { |
| entry: |
| %add = call i32 @foo() |
| ret i32 %add |
| } |
| |
| !llvm.module.flags = !{!0, !1, !2, !3 } |
| !0 = !{i32 8, !"branch-target-enforcement", i32 0} |
| !1 = !{i32 8, !"sign-return-address", i32 1} |
| !2 = !{i32 8, !"sign-return-address-all", i32 0} |
| !3 = !{i32 8, !"sign-return-address-with-bkey", i32 0} |
| |
| ; CHECK-NOT: linking module flags 'branch-target-enforcement': IDs have conflicting values in |
| ; CHECK-DUMP: <main>: |
| ; CHECK-DUMP: bl 0x8 <main+0x8> |
| ; CHECK-DUMP: <foo>: |
| |
| ; `main` doesn't support BTI while `foo` does, so in the binary |
| ; we should see only PAC which is supported by both. |
| ; CHECK-PROP: Properties: aarch64 feature: PAC |