diff options
Diffstat (limited to 'docs/tutorial/LangImpl5.html')
-rw-r--r-- | docs/tutorial/LangImpl5.html | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/docs/tutorial/LangImpl5.html b/docs/tutorial/LangImpl5.html index acfee7b9b8..3ded1392af 100644 --- a/docs/tutorial/LangImpl5.html +++ b/docs/tutorial/LangImpl5.html @@ -1710,37 +1710,38 @@ int main() { // Make the module, which holds all the code. TheModule = new Module("my cool jit", getGlobalContext()); - - // Create the JIT. - TheExecutionEngine = EngineBuilder(TheModule).create(); - { - ExistingModuleProvider OurModuleProvider(TheModule); - FunctionPassManager OurFPM(&OurModuleProvider); - - // Set up the optimizer pipeline. Start with registering info about how the - // target lays out data structures. - OurFPM.add(new TargetData(*TheExecutionEngine->getTargetData())); - // Do simple "peephole" optimizations and bit-twiddling optzns. - OurFPM.add(createInstructionCombiningPass()); - // Reassociate expressions. - OurFPM.add(createReassociatePass()); - // Eliminate Common SubExpressions. - OurFPM.add(createGVNPass()); - // Simplify the control flow graph (deleting unreachable blocks, etc). - OurFPM.add(createCFGSimplificationPass()); - // Set the global so the code gen can use this. - TheFPM = &OurFPM; - - // Run the main "interpreter loop" now. - MainLoop(); - - TheFPM = 0; + ExistingModuleProvider *OurModuleProvider = + new ExistingModuleProvider(TheModule); + + // Create the JIT. This takes ownership of the module and module provider. + TheExecutionEngine = EngineBuilder(OurModuleProvider).create(); + + FunctionPassManager OurFPM(OurModuleProvider); + + // Set up the optimizer pipeline. Start with registering info about how the + // target lays out data structures. + OurFPM.add(new TargetData(*TheExecutionEngine->getTargetData())); + // Do simple "peephole" optimizations and bit-twiddling optzns. + OurFPM.add(createInstructionCombiningPass()); + // Reassociate expressions. + OurFPM.add(createReassociatePass()); + // Eliminate Common SubExpressions. + OurFPM.add(createGVNPass()); + // Simplify the control flow graph (deleting unreachable blocks, etc). + OurFPM.add(createCFGSimplificationPass()); + + // Set the global so the code gen can use this. + TheFPM = &OurFPM; + + // Run the main "interpreter loop" now. + MainLoop(); + + TheFPM = 0; + + // Print out all of the generated code. + TheModule->dump(); - // Print out all of the generated code. - TheModule->dump(); - } // Free module provider (and thus the module) and pass manager. - return 0; } </pre> |