[PM] Wire up support for printing assembly output from the opt command.

This lets us round-trip IR in the expected manner with the opt tool.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199075 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chandler Carruth
2014-01-13 05:16:45 +00:00
parent 4a76032da6
commit 085c07f4ed
2 changed files with 22 additions and 3 deletions

View File

@@ -16,10 +16,12 @@
#include "NewPMDriver.h"
#include "Passes.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/PassManager.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/ToolOutputFile.h"
using namespace llvm;
@@ -28,15 +30,26 @@ using namespace opt_tool;
bool llvm::runPassPipeline(StringRef Arg0, LLVMContext &Context, Module &M,
tool_output_file *Out, StringRef PassPipeline,
OutputKind OK) {
// Before executing passes, print the final values of the LLVM options.
cl::PrintOptionValues();
ModulePassManager MPM;
if (!parsePassPipeline(MPM, PassPipeline)) {
errs() << Arg0 << ": unable to parse pass pipeline description.\n";
return false;
}
// Add any relevant output pass at the end of the pipeline.
switch (OK) {
case OK_NoOutput:
break; // No output pass needed.
case OK_OutputAssembly:
MPM.addPass(PrintModulePass(Out->os()));
break;
case OK_OutputBitcode:
llvm::report_fatal_error("Bitcode output is not yet implemented!");
}
// Before executing passes, print the final values of the LLVM options.
cl::PrintOptionValues();
// Now that we have all of the passes ready, run them.
MPM.run(&M);