1 files changed, 132 insertions, 0 deletions
diff --git a/contrib/llvm/lib/IR/IRPrintingPasses.cpp b/contrib/llvm/lib/IR/IRPrintingPasses.cpp
new file mode 100644
index 0000000..c1ac336
--- /dev/null
+++ b/contrib/llvm/lib/IR/IRPrintingPasses.cpp
@@ -0,0 +1,132 @@
+//===--- IRPrintingPasses.cpp - Module and Function printing passes -------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// PrintModulePass and PrintFunctionPass implementations.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/IR/IRPrintingPasses.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/Module.h"
+#include "llvm/IR/PassManager.h"
+#include "llvm/Pass.h"
+#include "llvm/Support/Debug.h"
+#include "llvm/Support/raw_ostream.h"
+using namespace llvm;
+
+PrintModulePass::PrintModulePass() : OS(dbgs()) {}
+PrintModulePass::PrintModulePass(raw_ostream &OS, const std::string &Banner,
+                                 bool ShouldPreserveUseListOrder)
+    : OS(OS), Banner(Banner),
+      ShouldPreserveUseListOrder(ShouldPreserveUseListOrder) {}
+
+PreservedAnalyses PrintModulePass::run(Module &M) {
+  OS << Banner;
+  M.print(OS, nullptr, ShouldPreserveUseListOrder);
+  return PreservedAnalyses::all();
+}
+
+PrintFunctionPass::PrintFunctionPass() : OS(dbgs()) {}
+PrintFunctionPass::PrintFunctionPass(raw_ostream &OS, const std::string &Banner)
+    : OS(OS), Banner(Banner) {}
+
+PreservedAnalyses PrintFunctionPass::run(Function &F) {
+  OS << Banner << static_cast<Value &>(F);
+  return PreservedAnalyses::all();
+}
+
+namespace {
+
+class PrintModulePassWrapper : public ModulePass {
+  PrintModulePass P;
+
+public:
+  static char ID;
+  PrintModulePassWrapper() : ModulePass(ID) {}
+  PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner,
+                         bool ShouldPreserveUseListOrder)
+      : ModulePass(ID), P(OS, Banner, ShouldPreserveUseListOrder) {}
+
+  bool runOnModule(Module &M) override {
+    P.run(M);
+    return false;
+  }
+
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
+    AU.setPreservesAll();
+  }
+};
+
+class PrintFunctionPassWrapper : public FunctionPass {
+  PrintFunctionPass P;
+
+public:
+  static char ID;
+  PrintFunctionPassWrapper() : FunctionPass(ID) {}
+  PrintFunctionPassWrapper(raw_ostream &OS, const std::string &Banner)
+      : FunctionPass(ID), P(OS, Banner) {}
+
+  // This pass just prints a banner followed by the function as it's processed.
+  bool runOnFunction(Function &F) override {
+    P.run(F);
+    return false;
+  }
+
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
+    AU.setPreservesAll();
+  }
+};
+
+class PrintBasicBlockPass : public BasicBlockPass {
+  raw_ostream &Out;
+  std::string Banner;
+
+public:
+  static char ID;
+  PrintBasicBlockPass() : BasicBlockPass(ID), Out(dbgs()) {}
+  PrintBasicBlockPass(raw_ostream &Out, const std::string &Banner)
+      : BasicBlockPass(ID), Out(Out), Banner(Banner) {}
+
+  bool runOnBasicBlock(BasicBlock &BB) override {
+    Out << Banner << BB;
+    return false;
+  }
+
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
+    AU.setPreservesAll();
+  }
+};
+
+}
+
+char PrintModulePassWrapper::ID = 0;
+INITIALIZE_PASS(PrintModulePassWrapper, "print-module",
+                "Print module to stderr", false, false)
+char PrintFunctionPassWrapper::ID = 0;
+INITIALIZE_PASS(PrintFunctionPassWrapper, "print-function",
+                "Print function to stderr", false, false)
+char PrintBasicBlockPass::ID = 0;
+INITIALIZE_PASS(PrintBasicBlockPass, "print-bb", "Print BB to stderr", false,
+                false)
+
+ModulePass *llvm::createPrintModulePass(llvm::raw_ostream &OS,
+                                        const std::string &Banner,
+                                        bool ShouldPreserveUseListOrder) {
+  return new PrintModulePassWrapper(OS, Banner, ShouldPreserveUseListOrder);
+}
+
+FunctionPass *llvm::createPrintFunctionPass(llvm::raw_ostream &OS,
+                                            const std::string &Banner) {
+  return new PrintFunctionPassWrapper(OS, Banner);
+}
+
+BasicBlockPass *llvm::createPrintBasicBlockPass(llvm::raw_ostream &OS,
+                                                const std::string &Banner) {
+  return new PrintBasicBlockPass(OS, Banner);
+}