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