| // Verify that PLT optimization in BOLT preserves exception-handling info. |
| |
| // REQUIRES: system-linux |
| |
| // RUN: %clang %cflags -fpic -shared -xc /dev/null -o %t.so |
| // Link against a DSO to ensure PLT entries. |
| // RUN: %clangxx %cxxflags -O1 -Wl,-q,-znow %s %t.so -o %t.exe |
| // RUN: llvm-bolt %t.exe -o %t.bolt.exe --plt=all --print-only=.*main.* \ |
| // RUN: --print-finalized 2>&1 | FileCheck %s |
| |
| // CHECK-LABEL: Binary Function |
| // CHECK: adrp {{.*}}__cxa_throw |
| // CHECK-NEXT: ldr {{.*}}__cxa_throw |
| // CHECK-NEXT: blr x17 {{.*}} handler: {{.*}} PLTCall: |
| |
| int main() { |
| try { |
| throw new int; |
| } catch (...) { |
| return 0; |
| } |
| return 1; |
| } |
