diff options
| -rw-r--r-- | llvm/include/llvm-c/lto.h | 9 | ||||
| -rw-r--r-- | llvm/include/llvm/LTO/ThinLTOCodeGenerator.h | 8 |
2 files changed, 10 insertions, 7 deletions
diff --git a/llvm/include/llvm-c/lto.h b/llvm/include/llvm-c/lto.h index 82f7fd74178..21a1ea4598c 100644 --- a/llvm/include/llvm-c/lto.h +++ b/llvm/include/llvm-c/lto.h @@ -659,6 +659,7 @@ extern lto_bool_t thinlto_codegen_set_pic_model(thinlto_code_gen_t cg, /** * Sets the path to a directory to use as a cache storage for incremental build. + * Setting this activates caching. * * \since LTO_API_VERSION=18 */ @@ -667,7 +668,7 @@ extern void thinlto_codegen_set_cache_dir(thinlto_code_gen_t cg, /** * Sets the cache pruning interval (in seconds). A negative value disable the - * pruning (default). + * pruning. An unspecified default value will be applied. * * \since LTO_API_VERSION=18 */ @@ -678,7 +679,8 @@ extern void thinlto_codegen_set_cache_pruning_interval(thinlto_code_gen_t cg, * Sets the maximum cache size that can be persistent across build, in terms of * percentage of the available space on the the disk. Set to 100 to indicate * no limit, 50 to indicate that the cache size will not be left over half the - * available space. A value over 100 will be reduced to 100. + * available space. A value over 100 will be reduced to 100. An unspecified + * default value will be applied. * * The formula looks like: * AvailableSpace = FreeSpace + ExistingCacheSize @@ -690,7 +692,8 @@ extern void thinlto_codegen_set_final_cache_size_relative_to_available_space( thinlto_code_gen_t cg, unsigned percentage); /** - * Sets the expiration (in seconds) for an entry in the cache. + * Sets the expiration (in seconds) for an entry in the cache. An unspecified + * default value will be applied. * * \since LTO_API_VERSION=18 */ diff --git a/llvm/include/llvm/LTO/ThinLTOCodeGenerator.h b/llvm/include/llvm/LTO/ThinLTOCodeGenerator.h index f215123752a..f2cc94dab46 100644 --- a/llvm/include/llvm/LTO/ThinLTOCodeGenerator.h +++ b/llvm/include/llvm/LTO/ThinLTOCodeGenerator.h @@ -108,10 +108,10 @@ public: */ struct CachingOptions { - std::string Path; - int PruningInterval = -1; // seconds, -1 to disable pruning - unsigned int Expiration = 0; // seconds. - unsigned MaxPercentageOfAvailableSpace = 0; // percentage. + std::string Path; // Path to the cache, empty to disable. + int PruningInterval = 1200; // seconds, -1 to disable pruning. + unsigned int Expiration = 7 * 24 * 3600; // seconds (1w default). + unsigned MaxPercentageOfAvailableSpace = 75; // percentage. }; /// Provide a path to a directory where to store the cached files for |
