Remove more unneeded files and directories from contrib/llvm. This

still allows us to build tblgen and clang, and further reduces the
footprint in the tree.

Approved by:	rpaulo (mentor)

1 files changed, 0 insertions, 331 deletions

diff --git a/contrib/llvm/tools/llvm-diff/llvm-diff.cpp b/contrib/llvm/tools/llvm-diff/llvm-diff.cpp
deleted file mode 100644
index 16a990f..0000000
--- a/contrib/llvm/tools/llvm-diff/llvm-diff.cpp
+++ /dev/null
@@ -1,331 +0,0 @@
-//===-- llvm-diff.cpp - Module comparator command-line driver ---*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This file defines the command-line driver for the difference engine.
-//
-//===----------------------------------------------------------------------===//
-
-#include "DifferenceEngine.h"
-
-#include "llvm/Instructions.h"
-#include "llvm/LLVMContext.h"
-#include "llvm/Module.h"
-#include "llvm/Type.h"
-#include "llvm/Assembly/Parser.h"
-#include "llvm/Bitcode/ReaderWriter.h"
-#include "llvm/ADT/DenseMap.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringRef.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/SourceMgr.h"
-
-#include <string>
-#include <utility>
-
-
-using namespace llvm;
-
-/// Reads a module from a file.  If the filename ends in .ll, it is
-/// interpreted as an assembly file;  otherwise, it is interpreted as
-/// bitcode.  On error, messages are written to stderr and null is
-/// returned.
-static Module *ReadModule(LLVMContext &Context, StringRef Name) {
-  // LLVM assembly path.
-  if (Name.endswith(".ll")) {
-    SMDiagnostic Diag;
-    Module *M = ParseAssemblyFile(Name, Diag, Context);
-    if (M) return M;
-
-    Diag.Print("llvmdiff", errs());
-    return 0;
-  }
-
-  // Bitcode path.
-  MemoryBuffer *Buffer = MemoryBuffer::getFile(Name);
-
-  // ParseBitcodeFile takes ownership of the buffer if it succeeds.
-  std::string Error;
-  Module *M = ParseBitcodeFile(Buffer, Context, &Error);
-  if (M) return M;
-
-  errs() << "error parsing " << Name << ": " << Error;
-  delete Buffer;
-  return 0;
-}
-
-namespace {
-struct DiffContext {
-  DiffContext(Value *L, Value *R)
-    : L(L), R(R), Differences(false), IsFunction(isa<Function>(L)) {}
-  Value *L;
-  Value *R;
-  bool Differences;
-  bool IsFunction;
-  DenseMap<Value*,unsigned> LNumbering;
-  DenseMap<Value*,unsigned> RNumbering;
-};
-
-void ComputeNumbering(Function *F, DenseMap<Value*,unsigned> &Numbering) {
-  unsigned IN = 0;
-
-  // Arguments get the first numbers.
-  for (Function::arg_iterator
-         AI = F->arg_begin(), AE = F->arg_end(); AI != AE; ++AI)
-    if (!AI->hasName())
-      Numbering[&*AI] = IN++;
-
-  // Walk the basic blocks in order.
-  for (Function::iterator FI = F->begin(), FE = F->end(); FI != FE; ++FI) {
-    if (!FI->hasName())
-      Numbering[&*FI] = IN++;
-
-    // Walk the instructions in order.
-    for (BasicBlock::iterator BI = FI->begin(), BE = FI->end(); BI != BE; ++BI)
-      // void instructions don't get numbers.
-      if (!BI->hasName() && !BI->getType()->isVoidTy())
-        Numbering[&*BI] = IN++;
-  }
-
-  assert(!Numbering.empty() && "asked for numbering but numbering was no-op");
-}
-
-class DiffConsumer : public DifferenceEngine::Consumer {
-private:
-  raw_ostream &out;
-  Module *LModule;
-  Module *RModule;
-  SmallVector<DiffContext, 5> contexts;
-  bool Differences;
-  unsigned Indent;
-
-  void printValue(Value *V, bool isL) {
-    if (V->hasName()) {
-      out << (isa<GlobalValue>(V) ? '@' : '%') << V->getName();
-      return;
-    }
-    if (V->getType()->isVoidTy()) {
-      if (isa<StoreInst>(V)) {
-        out << "store to ";
-        printValue(cast<StoreInst>(V)->getPointerOperand(), isL);
-      } else if (isa<CallInst>(V)) {
-        out << "call to ";
-        printValue(cast<CallInst>(V)->getCalledValue(), isL);
-      } else if (isa<InvokeInst>(V)) {
-        out << "invoke to ";
-        printValue(cast<InvokeInst>(V)->getCalledValue(), isL);
-      } else {
-        out << *V;
-      }
-      return;
-    }
-
-    unsigned N = contexts.size();
-    while (N > 0) {
-      --N;
-      DiffContext &ctxt = contexts[N];
-      if (!ctxt.IsFunction) continue;
-      if (isL) {
-        if (ctxt.LNumbering.empty())
-          ComputeNumbering(cast<Function>(ctxt.L), ctxt.LNumbering);
-        out << '%' << ctxt.LNumbering[V];
-        return;
-      } else {
-        if (ctxt.RNumbering.empty())
-          ComputeNumbering(cast<Function>(ctxt.R), ctxt.RNumbering);
-        out << '%' << ctxt.RNumbering[V];
-        return;
-      }
-    }
-
-    out << "<anonymous>";
-  }
-
-  void header() {
-    if (contexts.empty()) return;
-    for (SmallVectorImpl<DiffContext>::iterator
-           I = contexts.begin(), E = contexts.end(); I != E; ++I) {
-      if (I->Differences) continue;
-      if (isa<Function>(I->L)) {
-        // Extra newline between functions.
-        if (Differences) out << "\n";
-
-        Function *L = cast<Function>(I->L);
-        Function *R = cast<Function>(I->R);
-        if (L->getName() != R->getName())
-          out << "in function " << L->getName()
-              << " / " << R->getName() << ":\n";
-        else
-          out << "in function " << L->getName() << ":\n";
-      } else if (isa<BasicBlock>(I->L)) {
-        BasicBlock *L = cast<BasicBlock>(I->L);
-        BasicBlock *R = cast<BasicBlock>(I->R);
-        if (L->hasName() && R->hasName() && L->getName() == R->getName())
-          out << "  in block %" << L->getName() << ":\n";
-        else {
-          out << "  in block ";
-          printValue(L, true);
-          out << " / ";
-          printValue(R, false);
-          out << ":\n";
-        }
-      } else if (isa<Instruction>(I->L)) {
-        out << "    in instruction ";
-        printValue(I->L, true);
-        out << " / ";
-        printValue(I->R, false);
-        out << ":\n";
-      }
-
-      I->Differences = true;
-    }
-  }
-
-  void indent() {
-    unsigned N = Indent;
-    while (N--) out << ' ';
-  }
-
-public:
-  DiffConsumer(Module *L, Module *R)
-    : out(errs()), LModule(L), RModule(R), Differences(false), Indent(0) {}
-
-  bool hadDifferences() const { return Differences; }
-
-  void enterContext(Value *L, Value *R) {
-    contexts.push_back(DiffContext(L, R));
-    Indent += 2;
-  }
-  void exitContext() {
-    Differences |= contexts.back().Differences;
-    contexts.pop_back();
-    Indent -= 2;
-  }
-
-  void log(StringRef text) {
-    header();
-    indent();
-    out << text << '\n';
-  }
-
-  void logf(const DifferenceEngine::LogBuilder &Log) {
-    header();
-    indent();
-
-    unsigned arg = 0;
-
-    StringRef format = Log.getFormat();
-    while (true) {
-      size_t percent = format.find('%');
-      if (percent == StringRef::npos) {
-        out << format;
-        break;
-      }
-      assert(format[percent] == '%');
-
-      if (percent > 0) out << format.substr(0, percent);
-
-      switch (format[percent+1]) {
-      case '%': out << '%'; break;
-      case 'l': printValue(Log.getArgument(arg++), true); break;
-      case 'r': printValue(Log.getArgument(arg++), false); break;
-      default: llvm_unreachable("unknown format character");
-      }
-
-      format = format.substr(percent+2);
-    }
-
-    out << '\n';
-  }
-
-  void logd(const DifferenceEngine::DiffLogBuilder &Log) {
-    header();
-
-    for (unsigned I = 0, E = Log.getNumLines(); I != E; ++I) {
-      indent();
-      switch (Log.getLineKind(I)) {
-      case DifferenceEngine::DC_match:
-        out << "  ";
-        Log.getLeft(I)->dump();
-        //printValue(Log.getLeft(I), true);
-        break;
-      case DifferenceEngine::DC_left:
-        out << "< ";
-        Log.getLeft(I)->dump();
-        //printValue(Log.getLeft(I), true);
-        break;
-      case DifferenceEngine::DC_right:
-        out << "> ";
-        Log.getRight(I)->dump();
-        //printValue(Log.getRight(I), false);
-        break;
-      }
-      //out << "\n";
-    }
-  }
-  
-};
-}
-
-static void diffGlobal(DifferenceEngine &Engine, Module *L, Module *R,
-                       StringRef Name) {
-  // Drop leading sigils from the global name.
-  if (Name.startswith("@")) Name = Name.substr(1);
-
-  Function *LFn = L->getFunction(Name);
-  Function *RFn = R->getFunction(Name);
-  if (LFn && RFn)
-    Engine.diff(LFn, RFn);
-  else if (!LFn && !RFn)
-    errs() << "No function named @" << Name << " in either module\n";
-  else if (!LFn)
-    errs() << "No function named @" << Name << " in left module\n";
-  else
-    errs() << "No function named @" << Name << " in right module\n";
-}
-
-cl::opt<std::string> LeftFilename(cl::Positional,
-                                  cl::desc("<first file>"),
-                                  cl::Required);
-cl::opt<std::string> RightFilename(cl::Positional,
-                                   cl::desc("<second file>"),
-                                   cl::Required);
-cl::list<std::string> GlobalsToCompare(cl::Positional,
-                                       cl::desc("<globals to compare>"));
-
-int main(int argc, char **argv) {
-  cl::ParseCommandLineOptions(argc, argv);
-
-  LLVMContext Context;
-  
-  // Load both modules.  Die if that fails.
-  Module *LModule = ReadModule(Context, LeftFilename);
-  Module *RModule = ReadModule(Context, RightFilename);
-  if (!LModule || !RModule) return 1;
-
-  DiffConsumer Consumer(LModule, RModule);
-  DifferenceEngine Engine(Context, Consumer);
-
-  // If any global names were given, just diff those.
-  if (!GlobalsToCompare.empty()) {
-    for (unsigned I = 0, E = GlobalsToCompare.size(); I != E; ++I)
-      diffGlobal(Engine, LModule, RModule, GlobalsToCompare[I]);
-
-  // Otherwise, diff everything in the module.
-  } else {
-    Engine.diff(LModule, RModule);
-  }
-
-  delete LModule;
-  delete RModule;
-
-  return Consumer.hadDifferences();
-}