| 1 | // Verify that PLT optimization in BOLT preserves exception-handling info. |
| 2 | |
| 3 | // REQUIRES: system-linux |
| 4 | |
| 5 | // RUN: %clang %cflags -fpic -shared -xc /dev/null -o %t.so |
| 6 | // Link against a DSO to ensure PLT entries. |
| 7 | // RUN: %clangxx %cxxflags -O1 -Wl,-q,-znow %s %t.so -o %t.exe |
| 8 | // RUN: llvm-bolt %t.exe -o %t.bolt.exe --plt=all --print-only=.*main.* \ |
| 9 | // RUN: --print-finalized 2>&1 | FileCheck %s |
| 10 | |
| 11 | // CHECK-LABEL: Binary Function |
| 12 | // CHECK: adrp {{.*}}__cxa_throw |
| 13 | // CHECK-NEXT: ldr {{.*}}__cxa_throw |
| 14 | // CHECK-NEXT: blr x17 {{.*}} handler: {{.*}} PLTCall: |
| 15 | |
| 16 | int main() { |
| 17 | try { |
| 18 | throw new int; |
| 19 | } catch (...) { |
| 20 | return 0; |
| 21 | } |
| 22 | return 1; |
| 23 | } |
| 24 | |