| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-cir %s -o %t.cir |
| // RUN: FileCheck --check-prefix=CIR --input-file=%t.cir %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -fclangir -emit-llvm -O2 -disable-llvm-passes %s -o %t-cir.ll |
| // RUN: FileCheck --check-prefix=LLVM --input-file=%t-cir.ll %s |
| // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -O2 -disable-llvm-passes %s -o %t.ll |
| // RUN: FileCheck --check-prefix=LLVM --input-file=%t.ll %s |
| |
| extern "C++" { |
| extern char *strrchr(char *__s, int __c) __attribute__((__nothrow__)) |
| __attribute__((__pure__)) __attribute__((__nonnull__(1))) |
| __asm__("strrchr"); |
| extern char *strrchr(char *__s, int __c) __attribute__((__nothrow__)) |
| __asm__("strrchr") __attribute__((__always_inline__)) |
| __attribute__((__gnu_inline__)); |
| extern __inline __attribute__((__nothrow__)) |
| __attribute__((__always_inline__)) __attribute__((__gnu_inline__)) |
| char *strrchr(char *__s, int __c) { |
| return __builtin_strrchr(__s, __c); |
| } |
| } |
| |
| extern "C" int puts(const char *); |
| |
| extern "C" void caller(char *s) { |
| if (s) { |
| const char *base = strrchr(s, '/'); |
| puts(base ? base + 1 : s); |
| } else { |
| puts("(null)"); |
| } |
| } |
| |
| // The trivially-recursive strrchr body is dropped, so no available_externally |
| // definition of it is emitted; @caller is still emitted normally. |
| // CIR-NOT: cir.func {{.*}}available_externally @strrchr |
| // CIR: cir.func{{.*}}@caller( |
| // LLVM-NOT: define {{.*}}available_externally{{.*}}@strrchr |
| // LLVM: define{{.*}}@caller( |
