diff options
Diffstat (limited to 'include/llvm-c/lto.h')
| -rw-r--r-- | include/llvm-c/lto.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/include/llvm-c/lto.h b/include/llvm-c/lto.h index 58d58336b50..85d5439ec94 100644 --- a/include/llvm-c/lto.h +++ b/include/llvm-c/lto.h @@ -29,7 +29,7 @@ * @{ */ -#define LTO_API_VERSION 4 +#define LTO_API_VERSION 5 typedef enum { LTO_SYMBOL_ALIGNMENT_MASK = 0x0000001F, /* log2 of alignment */ @@ -253,13 +253,21 @@ lto_codegen_set_assembler_args(lto_code_gen_t cg, const char **args, int nargs); /** - * Adds to a list of all global symbols that must exist in the final - * generated code. If a function is not listed, it might be - * inlined into every usage and optimized away. + * Tells LTO optimization passes that this symbol must be preserved + * because it is referenced by native code or a command line option. */ extern void lto_codegen_add_must_preserve_symbol(lto_code_gen_t cg, const char* symbol); + +/** + * Tells LTO optimization passes that a dynamic shared library is being + * built and this symbol may be exported. Unless IR semantics allow the symbol + * to be made local to the library, it should remain so it can be exported by + * the shared library. + */ +extern void lto_codegen_add_dso_symbol(lto_code_gen_t cg, const char *symbol); + /** * Writes a new object file at the specified path that contains the * merged contents of all modules added so far. |