| // RUN: %clang_cc1 -triple arm64-apple-macosx14.0.0 -O0 -debug-info-kind=standalone -dwarf-version=5 \ |
| // RUN: -fsanitize=cfi-icall -fsanitize-trap=cfi-icall -emit-llvm %s -o - | FileCheck %s |
| |
| typedef int (*fp_t)(int); |
| |
| int good(int x) { return x + 1; } |
| |
| int bad(void) { return 0; } |
| |
| int cfi_trigger(int a) { |
| fp_t p = good; |
| int r1 = p(a); |
| |
| p = (fp_t)(void *)bad; |
| int r2 = p(a); |
| |
| return r1 + r2; |
| } |
| |
| // CHECK-LABEL: @good |
| // CHECK-LABEL: @bad |
| // CHECK-LABEL: @cfi_trigger |
| // CHECK: call void @llvm.ubsantrap(i8 2) {{.*}}!dbg [[LOC:![0-9]+]] |
| // CHECK: [[LOC]] = !DILocation(line: 0, scope: [[MSG:![0-9]+]], {{.+}}) |
| // CHECK: [[MSG]] = distinct !DISubprogram(name: "__clang_trap_msg$Undefined Behavior Sanitizer$Control flow integrity check failed" |
