libLTO, llvm-lto, gold: Introduce flag for controlling optimization level.

[oota-llvm.git] / include / llvm / LTO / LTOCodeGenerator.h

diff --git a/include/llvm/LTO/LTOCodeGenerator.h b/include/llvm/LTO/LTOCodeGenerator.h
index ab307bf2d0c33fe89d592559b3e9e100b6ddfb01..820d6d5d9384e9f62ffe5e8723d431129af164b4 100644 (file)
--- a/include/llvm/LTO/LTOCodeGenerator.h
+++ b/include/llvm/LTO/LTOCodeGenerator.h
@@ -67,12 +67,16 @@ struct LTOCodeGenerator {
   // Merge given module, return true on success.
   bool addModule(struct LTOModule *);
 
+  // Set the destination module.
+  void setModule(struct LTOModule *);
+
   void setTargetOptions(TargetOptions options);
   void setDebugInfo(lto_debug_model);
   void setCodePICModel(lto_codegen_model);
 
   void setCpu(const char *mCpu) { MCpu = mCpu; }
   void setAttr(const char *mAttr) { MAttr = mAttr; }
+  void setOptLevel(unsigned optLevel) { OptLevel = optLevel; }
 
   void addMustPreserveSymbol(const char *sym) { MustPreserveSymbols[sym] = 1; }
 
@@ -99,7 +103,6 @@ struct LTOCodeGenerator {
   //  Do not try to remove the object file in LTOCodeGenerator's destructor
   //  as we don't who (LTOCodeGenerator or the obj file) will last longer.
   bool compile_to_file(const char **name,
-                       bool disableOpt,
                        bool disableInline,
                        bool disableGVNLoadPRE,
                        bool disableVectorization,
@@ -111,15 +114,13 @@ struct LTOCodeGenerator {
   // caller. This function should delete intermediate object file once its content
   // is brought to memory. Return NULL if the compilation was not successful.
   const void *compile(size_t *length,
-                      bool disableOpt,
                       bool disableInline,
                       bool disableGVNLoadPRE,
                       bool disableVectorization,
                       std::string &errMsg);
 
   // Optimizes the merged module. Returns true on success.
-  bool optimize(bool disableOpt,
-                bool disableInline,
+  bool optimize(bool disableInline,
                 bool disableGVNLoadPRE,
                 bool disableVectorization,
                 std::string &errMsg);
@@ -152,6 +153,7 @@ private:
   typedef StringMap<uint8_t> StringSet;
 
   void initialize();
+  void destroyMergedModule();
   std::unique_ptr<LLVMContext> OwnedContext;
   LLVMContext &Context;
   Linker IRLinker;
@@ -167,8 +169,10 @@ private:
   std::string MAttr;
   std::string NativeObjectPath;
   TargetOptions Options;
+  unsigned OptLevel;
   lto_diagnostic_handler_t DiagHandler;
   void *DiagContext;
+  LTOModule *OwnedModule;
 };
 }
 #endif