diff options
Diffstat (limited to 'tools/opt/opt.cpp')
| -rw-r--r-- | tools/opt/opt.cpp | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp index 9e76451229..5138ef68c0 100644 --- a/tools/opt/opt.cpp +++ b/tools/opt/opt.cpp @@ -12,7 +12,7 @@ // //===----------------------------------------------------------------------===// -#include "llvm/IR/LLVMContext.h" +#include "NewPMDriver.h" #include "llvm/ADT/StringSet.h" #include "llvm/ADT/Triple.h" #include "llvm/Analysis/CallGraph.h" @@ -24,6 +24,7 @@ #include "llvm/CodeGen/CommandFlags.h" #include "llvm/DebugInfo.h" #include "llvm/IR/DataLayout.h" +#include "llvm/IR/LLVMContext.h" #include "llvm/IR/Module.h" #include "llvm/IR/PrintModulePass.h" #include "llvm/IRReader/IRReader.h" @@ -55,6 +56,15 @@ using namespace llvm; static cl::list<const PassInfo*, bool, PassNameParser> PassList(cl::desc("Optimizations available:")); +// This flag specifies a textual description of the optimization pass pipeline +// to run over the module. This flag switches opt to use the new pass manager +// infrastructure, completely disabling all of the flags specific to the old +// pass management. +static cl::opt<std::string> PassPipeline( + "passes", + cl::desc("A textual description of the pass pipeline for optimizing"), + cl::Hidden); + // Other command line options... // static cl::opt<std::string> @@ -660,6 +670,15 @@ int main(int argc, char **argv) { if (CheckBitcodeOutputToConsole(Out->os(), !Quiet)) NoOutput = true; + if (PassPipeline.getNumOccurrences() > 0) + // The user has asked to use the new pass manager and provided a pipeline + // string. Hand off the rest of the functionality to the new code for that + // layer. + return runPassPipeline(argv[0], Context, *M.get(), Out.get(), PassPipeline, + NoOutput) + ? 0 + : 1; + // Create a PassManager to hold and optimize the collection of passes we are // about to build. // |