+++ /dev/null
-//===--- Action.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open
-// Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Action class - implementation and auxiliary functions.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CompilerDriver/Action.h"
-
-#include "llvm/Support/CommandLine.h"
-#include "llvm/System/Program.h"
-
-#include <iostream>
-#include <stdexcept>
-
-using namespace llvm;
-using namespace llvmc;
-
-extern cl::opt<bool> DryRun;
-extern cl::opt<bool> VerboseMode;
-
-namespace {
- int ExecuteProgram(const std::string& name,
- const StrVector& args) {
- sys::Path prog = sys::Program::FindProgramByName(name);
-
- if (prog.isEmpty())
- throw std::runtime_error("Can't find program '" + name + "'");
- if (!prog.canExecute())
- throw std::runtime_error("Program '" + name + "' is not executable.");
-
- // Build the command line vector and the redirects array.
- const sys::Path* redirects[3] = {0,0,0};
- sys::Path stdout_redirect;
-
- std::vector<const char*> argv;
- argv.reserve((args.size()+2));
- argv.push_back(name.c_str());
-
- for (StrVector::const_iterator B = args.begin(), E = args.end();
- B!=E; ++B) {
- if (*B == ">") {
- ++B;
- stdout_redirect.set(*B);
- redirects[1] = &stdout_redirect;
- }
- else {
- argv.push_back((*B).c_str());
- }
- }
- argv.push_back(0); // null terminate list.
-
- // Invoke the program.
- return sys::Program::ExecuteAndWait(prog, &argv[0], 0, &redirects[0]);
- }
-
- void print_string (const std::string& str) {
- std::cerr << str << ' ';
- }
-}
-
-int llvmc::Action::Execute() const {
- if (DryRun || VerboseMode) {
- std::cerr << Command_ << " ";
- std::for_each(Args_.begin(), Args_.end(), print_string);
- std::cerr << '\n';
- }
- if (DryRun)
- return 0;
- else
- return ExecuteProgram(Command_, Args_);
-}
+++ /dev/null
-//===--- CompilationGraph.cpp - The LLVM Compiler Driver --------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open
-// Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Compilation graph - implementation.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Error.h"
-#include "llvm/CompilerDriver/CompilationGraph.h"
-
-#include "llvm/ADT/STLExtras.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/DOTGraphTraits.h"
-#include "llvm/Support/GraphWriter.h"
-
-#include <algorithm>
-#include <iterator>
-#include <limits>
-#include <queue>
-#include <stdexcept>
-
-using namespace llvm;
-using namespace llvmc;
-
-extern cl::list<std::string> InputFilenames;
-extern cl::opt<std::string> OutputFilename;
-extern cl::list<std::string> Languages;
-
-namespace llvmc {
-
- const std::string& LanguageMap::GetLanguage(const sys::Path& File) const {
- LanguageMap::const_iterator Lang = this->find(File.getSuffix());
- if (Lang == this->end())
- throw std::runtime_error("Unknown suffix: " + File.getSuffix());
- return Lang->second;
- }
-}
-
-namespace {
-
- /// ChooseEdge - Return the edge with the maximum weight.
- template <class C>
- const Edge* ChooseEdge(const C& EdgesContainer,
- const InputLanguagesSet& InLangs,
- const std::string& NodeName = "root") {
- const Edge* MaxEdge = 0;
- unsigned MaxWeight = 0;
- bool SingleMax = true;
-
- for (typename C::const_iterator B = EdgesContainer.begin(),
- E = EdgesContainer.end(); B != E; ++B) {
- const Edge* e = B->getPtr();
- unsigned EW = e->Weight(InLangs);
- if (EW > MaxWeight) {
- MaxEdge = e;
- MaxWeight = EW;
- SingleMax = true;
- } else if (EW == MaxWeight) {
- SingleMax = false;
- }
- }
-
- if (!SingleMax)
- throw std::runtime_error("Node " + NodeName +
- ": multiple maximal outward edges found!"
- " Most probably a specification error.");
- if (!MaxEdge)
- throw std::runtime_error("Node " + NodeName +
- ": no maximal outward edge found!"
- " Most probably a specification error.");
- return MaxEdge;
- }
-
-}
-
-CompilationGraph::CompilationGraph() {
- NodesMap["root"] = Node(this);
-}
-
-Node& CompilationGraph::getNode(const std::string& ToolName) {
- nodes_map_type::iterator I = NodesMap.find(ToolName);
- if (I == NodesMap.end())
- throw std::runtime_error("Node " + ToolName + " is not in the graph");
- return I->second;
-}
-
-const Node& CompilationGraph::getNode(const std::string& ToolName) const {
- nodes_map_type::const_iterator I = NodesMap.find(ToolName);
- if (I == NodesMap.end())
- throw std::runtime_error("Node " + ToolName + " is not in the graph!");
- return I->second;
-}
-
-// Find the tools list corresponding to the given language name.
-const CompilationGraph::tools_vector_type&
-CompilationGraph::getToolsVector(const std::string& LangName) const
-{
- tools_map_type::const_iterator I = ToolsMap.find(LangName);
- if (I == ToolsMap.end())
- throw std::runtime_error("No tool corresponding to the language "
- + LangName + " found");
- return I->second;
-}
-
-void CompilationGraph::insertNode(Tool* V) {
- if (NodesMap.count(V->Name()) == 0) {
- Node N;
- N.OwningGraph = this;
- N.ToolPtr = V;
- NodesMap[V->Name()] = N;
- }
-}
-
-void CompilationGraph::insertEdge(const std::string& A, Edge* Edg) {
- Node& B = getNode(Edg->ToolName());
- if (A == "root") {
- const char** InLangs = B.ToolPtr->InputLanguages();
- for (;*InLangs; ++InLangs)
- ToolsMap[*InLangs].push_back(IntrusiveRefCntPtr<Edge>(Edg));
- NodesMap["root"].AddEdge(Edg);
- }
- else {
- Node& N = getNode(A);
- N.AddEdge(Edg);
- }
- // Increase the inward edge counter.
- B.IncrInEdges();
-}
-
-namespace {
- sys::Path MakeTempFile(const sys::Path& TempDir, const std::string& BaseName,
- const std::string& Suffix) {
- sys::Path Out;
-
- // Make sure we don't end up with path names like '/file.o' if the
- // TempDir is empty.
- if (TempDir.empty()) {
- Out.set(BaseName);
- }
- else {
- Out = TempDir;
- Out.appendComponent(BaseName);
- }
- Out.appendSuffix(Suffix);
- // NOTE: makeUnique always *creates* a unique temporary file,
- // which is good, since there will be no races. However, some
- // tools do not like it when the output file already exists, so
- // they have to be placated with -f or something like that.
- Out.makeUnique(true, NULL);
- return Out;
- }
-}
-
-// Pass input file through the chain until we bump into a Join node or
-// a node that says that it is the last.
-void CompilationGraph::PassThroughGraph (const sys::Path& InFile,
- const Node* StartNode,
- const InputLanguagesSet& InLangs,
- const sys::Path& TempDir,
- const LanguageMap& LangMap) const {
- bool Last = false;
- sys::Path In = InFile;
- const Node* CurNode = StartNode;
-
- while(!Last) {
- sys::Path Out;
- Tool* CurTool = CurNode->ToolPtr.getPtr();
-
- if (CurTool->IsJoin()) {
- JoinTool& JT = dynamic_cast<JoinTool&>(*CurTool);
- JT.AddToJoinList(In);
- break;
- }
-
- // Since toolchains do not have to end with a Join node, we should
- // check if this Node is the last.
- if (!CurNode->HasChildren() || CurTool->IsLast()) {
- if (!OutputFilename.empty()) {
- Out.set(OutputFilename);
- }
- else {
- Out.set(In.getBasename());
- Out.appendSuffix(CurTool->OutputSuffix());
- }
- Last = true;
- }
- else {
- Out = MakeTempFile(TempDir, In.getBasename(), CurTool->OutputSuffix());
- }
-
- if (int ret = CurTool->GenerateAction(In, Out, InLangs, LangMap).Execute())
- throw error_code(ret);
-
- if (Last)
- return;
-
- CurNode = &getNode(ChooseEdge(CurNode->OutEdges,
- InLangs,
- CurNode->Name())->ToolName());
- In = Out; Out.clear();
- }
-}
-
-// Find the head of the toolchain corresponding to the given file.
-// Also, insert an input language into InLangs.
-const Node* CompilationGraph::
-FindToolChain(const sys::Path& In, const std::string* ForceLanguage,
- InputLanguagesSet& InLangs, const LanguageMap& LangMap) const {
-
- // Determine the input language.
- const std::string& InLanguage =
- ForceLanguage ? *ForceLanguage : LangMap.GetLanguage(In);
-
- // Add the current input language to the input language set.
- InLangs.insert(InLanguage);
-
- // Find the toolchain for the input language.
- const tools_vector_type& TV = getToolsVector(InLanguage);
- if (TV.empty())
- throw std::runtime_error("No toolchain corresponding to language "
- + InLanguage + " found");
- return &getNode(ChooseEdge(TV, InLangs)->ToolName());
-}
-
-// Helper function used by Build().
-// Traverses initial portions of the toolchains (up to the first Join node).
-// This function is also responsible for handling the -x option.
-void CompilationGraph::BuildInitial (InputLanguagesSet& InLangs,
- const sys::Path& TempDir,
- const LanguageMap& LangMap) {
- // This is related to -x option handling.
- cl::list<std::string>::const_iterator xIter = Languages.begin(),
- xBegin = xIter, xEnd = Languages.end();
- bool xEmpty = true;
- const std::string* xLanguage = 0;
- unsigned xPos = 0, xPosNext = 0, filePos = 0;
-
- if (xIter != xEnd) {
- xEmpty = false;
- xPos = Languages.getPosition(xIter - xBegin);
- cl::list<std::string>::const_iterator xNext = llvm::next(xIter);
- xPosNext = (xNext == xEnd) ? std::numeric_limits<unsigned>::max()
- : Languages.getPosition(xNext - xBegin);
- xLanguage = (*xIter == "none") ? 0 : &(*xIter);
- }
-
- // For each input file:
- for (cl::list<std::string>::const_iterator B = InputFilenames.begin(),
- CB = B, E = InputFilenames.end(); B != E; ++B) {
- sys::Path In = sys::Path(*B);
-
- // Code for handling the -x option.
- // Output: std::string* xLanguage (can be NULL).
- if (!xEmpty) {
- filePos = InputFilenames.getPosition(B - CB);
-
- if (xPos < filePos) {
- if (filePos < xPosNext) {
- xLanguage = (*xIter == "none") ? 0 : &(*xIter);
- }
- else { // filePos >= xPosNext
- // Skip xIters while filePos > xPosNext
- while (filePos > xPosNext) {
- ++xIter;
- xPos = xPosNext;
-
- cl::list<std::string>::const_iterator xNext = llvm::next(xIter);
- if (xNext == xEnd)
- xPosNext = std::numeric_limits<unsigned>::max();
- else
- xPosNext = Languages.getPosition(xNext - xBegin);
- xLanguage = (*xIter == "none") ? 0 : &(*xIter);
- }
- }
- }
- }
-
- // Find the toolchain corresponding to this file.
- const Node* N = FindToolChain(In, xLanguage, InLangs, LangMap);
- // Pass file through the chain starting at head.
- PassThroughGraph(In, N, InLangs, TempDir, LangMap);
- }
-}
-
-// Sort the nodes in topological order.
-void CompilationGraph::TopologicalSort(std::vector<const Node*>& Out) {
- std::queue<const Node*> Q;
- Q.push(&getNode("root"));
-
- while (!Q.empty()) {
- const Node* A = Q.front();
- Q.pop();
- Out.push_back(A);
- for (Node::const_iterator EB = A->EdgesBegin(), EE = A->EdgesEnd();
- EB != EE; ++EB) {
- Node* B = &getNode((*EB)->ToolName());
- B->DecrInEdges();
- if (B->HasNoInEdges())
- Q.push(B);
- }
- }
-}
-
-namespace {
- bool NotJoinNode(const Node* N) {
- return N->ToolPtr ? !N->ToolPtr->IsJoin() : true;
- }
-}
-
-// Call TopologicalSort and filter the resulting list to include
-// only Join nodes.
-void CompilationGraph::
-TopologicalSortFilterJoinNodes(std::vector<const Node*>& Out) {
- std::vector<const Node*> TopSorted;
- TopologicalSort(TopSorted);
- std::remove_copy_if(TopSorted.begin(), TopSorted.end(),
- std::back_inserter(Out), NotJoinNode);
-}
-
-int CompilationGraph::Build (const sys::Path& TempDir,
- const LanguageMap& LangMap) {
-
- InputLanguagesSet InLangs;
-
- // Traverse initial parts of the toolchains and fill in InLangs.
- BuildInitial(InLangs, TempDir, LangMap);
-
- std::vector<const Node*> JTV;
- TopologicalSortFilterJoinNodes(JTV);
-
- // For all join nodes in topological order:
- for (std::vector<const Node*>::iterator B = JTV.begin(), E = JTV.end();
- B != E; ++B) {
-
- sys::Path Out;
- const Node* CurNode = *B;
- JoinTool* JT = &dynamic_cast<JoinTool&>(*CurNode->ToolPtr.getPtr());
- bool IsLast = false;
-
- // Are there any files in the join list?
- if (JT->JoinListEmpty())
- continue;
-
- // Is this the last tool in the toolchain?
- // NOTE: we can process several toolchains in parallel.
- if (!CurNode->HasChildren() || JT->IsLast()) {
- if (OutputFilename.empty()) {
- Out.set("a");
- Out.appendSuffix(JT->OutputSuffix());
- }
- else
- Out.set(OutputFilename);
- IsLast = true;
- }
- else {
- Out = MakeTempFile(TempDir, "tmp", JT->OutputSuffix());
- }
-
- if (int ret = JT->GenerateAction(Out, InLangs, LangMap).Execute())
- throw error_code(ret);
-
- if (!IsLast) {
- const Node* NextNode =
- &getNode(ChooseEdge(CurNode->OutEdges, InLangs,
- CurNode->Name())->ToolName());
- PassThroughGraph(Out, NextNode, InLangs, TempDir, LangMap);
- }
- }
-
- return 0;
-}
-
-// Code related to graph visualization.
-
-namespace llvm {
- template <>
- struct DOTGraphTraits<llvmc::CompilationGraph*>
- : public DefaultDOTGraphTraits
- {
-
- template<typename GraphType>
- static std::string getNodeLabel(const Node* N, const GraphType&)
- {
- if (N->ToolPtr)
- if (N->ToolPtr->IsJoin())
- return N->Name() + "\n (join" +
- (N->HasChildren() ? ")"
- : std::string(": ") + N->ToolPtr->OutputLanguage() + ')');
- else
- return N->Name();
- else
- return "root";
- }
-
- template<typename EdgeIter>
- static std::string getEdgeSourceLabel(const Node* N, EdgeIter I) {
- if (N->ToolPtr) {
- return N->ToolPtr->OutputLanguage();
- }
- else {
- const char** InLangs = I->ToolPtr->InputLanguages();
- std::string ret;
-
- for (; *InLangs; ++InLangs) {
- if (*(InLangs + 1)) {
- ret += *InLangs;
- ret += ", ";
- }
- else {
- ret += *InLangs;
- }
- }
-
- return ret;
- }
- }
- };
-
-}
-
-void CompilationGraph::writeGraph() {
- std::ofstream O("compilation-graph.dot");
-
- if (O.good()) {
- llvm::WriteGraph(this, "compilation-graph");
- O.close();
- }
- else {
- throw std::runtime_error("Error opening file 'compilation-graph.dot'"
- " for writing!");
- }
-}
-
-void CompilationGraph::viewGraph() {
- llvm::ViewGraph(this, "compilation-graph");
-}
+++ /dev/null
-//===--- Error.h - The LLVM Compiler Driver ---------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open
-// Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Exception classes for LLVMC.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_TOOLS_LLVMC2_ERROR_H
-#define LLVM_TOOLS_LLVMC2_ERROR_H
-
-#include <stdexcept>
-
-namespace llvmc {
-
- class error_code: public std::runtime_error {
- int Code_;
- public:
- error_code (int c)
- : std::runtime_error("Tool returned error code"), Code_(c)
- {}
-
- int code() const { return Code_; }
- };
-
-}
-
-#endif //LLVM_TOOLS_LLVMC2_ERROR_H
#
##===----------------------------------------------------------------------===##
-# Compiled-in plugins
-##### FIXME: This breaks the build.
-#####BUILTIN_PLUGINS = Base
-
LEVEL = ../..
-TOOLNAME = llvmc2
-LINK_COMPONENTS = support system
-REQUIRES_EH := 1
-ifneq ($(BUILTIN_PLUGINS),)
+BUILTIN_PLUGINS = Base
+DRIVER_NAME = llvmc2
+DIRS = $(patsubst %,plugins/%,$(BUILTIN_PLUGINS)) src
+export BUILTIN_PLUGINS
+export DRIVER_NAME
export BUILTIN_LLVMC_PLUGIN=1
-USEDLIBS = $(patsubst %,LLVMC%,$(BUILTIN_PLUGINS))
-
-endif
include $(LEVEL)/Makefile.common
-
-TD_COMMON = $(wildcard $(LLVM_SRC_ROOT)/include/llvm/CompilerDriver/*.td)
-
-# There is probably a better way to do this: currently we enter the
-# subdirectory 2 times - the second time is not needed.
-# This probably also needs to be integrated into Makefile.rules.
-define PLUGIN_template
-PLUGIN_$(1)_SOURCES=$$(wildcard plugins/$(1)/*.cpp)
-PLUGIN_$(1)_TD_SOURCES=$$(wildcard plugins/$(1)/*.cpp)
-
-$$(LibDir)/LLVMC$(1).o: $$(PLUGIN_$(1)_SOURCES) $$(PLUGIN_$(1)_TD_SOURCES) \
- $$(TD_COMMON)
- @$$(MAKE) -C plugins/$(1)
-
-$$(RecursiveTargets) ::
- @$$(MAKE) -C plugins/$(1) $$@
-endef
-
-$(foreach plugin,$(BUILTIN_PLUGINS),$(eval $(call PLUGIN_template,$(plugin))))
+++ /dev/null
-//===--- Plugin.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open
-// Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// Plugin support for llvmc2.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/CompilerDriver/Plugin.h"
-
-#include <vector>
-
-namespace {
-
- // Registry::Add<> does not do lifetime management (probably issues
- // with static constructor/destructor ordering), so we have to
- // implement it here.
- //
- // All this static registration/life-before-main model seems
- // unnecessary convoluted to me.
-
- static bool pluginListInitialized = false;
- typedef std::vector<const llvmc::BasePlugin*> PluginList;
- static PluginList Plugins;
-}
-
-namespace llvmc {
-
- PluginLoader::PluginLoader() {
- if (!pluginListInitialized) {
- for (PluginRegistry::iterator B = PluginRegistry::begin(),
- E = PluginRegistry::end(); B != E; ++B)
- Plugins.push_back(B->instantiate());
- }
- pluginListInitialized = true;
- }
-
- PluginLoader::~PluginLoader() {
- if (pluginListInitialized) {
- for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
- B != E; ++B)
- delete (*B);
- }
- pluginListInitialized = false;
- }
-
- void PluginLoader::PopulateLanguageMap(LanguageMap& langMap) {
- for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
- B != E; ++B)
- (*B)->PopulateLanguageMap(langMap);
- }
-
- void PluginLoader::PopulateCompilationGraph(CompilationGraph& graph) {
- for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
- B != E; ++B)
- (*B)->PopulateCompilationGraph(graph);
- }
-
-}
// A simple wrapper for gcc.
// To compile, use this command:
-// make TOOLNAME=llvmc_simple GRAPH=examples/Simple.td
+// TOFIX
include "Common.td"
+++ /dev/null
-//===--- llvmc.cpp - The LLVM Compiler Driver -------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open
-// Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This tool provides a single point of access to the LLVM
-// compilation tools. It has many options. To discover the options
-// supported please refer to the tools' manual page or run the tool
-// with the --help option.
-//
-//===----------------------------------------------------------------------===//
-
-#include "Error.h"
-
-#include "llvm/CompilerDriver/CompilationGraph.h"
-#include "llvm/CompilerDriver/Plugin.h"
-
-#include "llvm/System/Path.h"
-#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/PluginLoader.h"
-
-#include <iostream>
-#include <stdexcept>
-#include <string>
-
-namespace cl = llvm::cl;
-namespace sys = llvm::sys;
-using namespace llvmc;
-
-// Built-in command-line options.
-// External linkage here is intentional.
-
-cl::list<std::string> InputFilenames(cl::Positional, cl::desc("<input file>"),
- cl::ZeroOrMore);
-cl::opt<std::string> OutputFilename("o", cl::desc("Output file name"),
- cl::value_desc("file"));
-cl::list<std::string> Languages("x",
- cl::desc("Specify the language of the following input files"),
- cl::ZeroOrMore);
-cl::opt<bool> DryRun("dry-run",
- cl::desc("Only pretend to run commands"));
-cl::opt<bool> VerboseMode("v",
- cl::desc("Enable verbose mode"));
-cl::opt<bool> WriteGraph("write-graph",
- cl::desc("Write compilation-graph.dot file"),
- cl::Hidden);
-cl::opt<bool> ViewGraph("view-graph",
- cl::desc("Show compilation graph in GhostView"),
- cl::Hidden);
-cl::opt<bool> SaveTemps("save-temps",
- cl::desc("Keep temporary files"),
- cl::Hidden);
-
-namespace {
- /// BuildTargets - A small wrapper for CompilationGraph::Build.
- int BuildTargets(CompilationGraph& graph, const LanguageMap& langMap) {
- int ret;
- const sys::Path& tempDir = SaveTemps
- ? sys::Path("")
- : sys::Path(sys::Path::GetTemporaryDirectory());
-
- try {
- ret = graph.Build(tempDir, langMap);
- }
- catch(...) {
- tempDir.eraseFromDisk(true);
- throw;
- }
-
- if (!SaveTemps)
- tempDir.eraseFromDisk(true);
- return ret;
- }
-}
-
-int main(int argc, char** argv) {
- try {
- LanguageMap langMap;
- CompilationGraph graph;
-
- cl::ParseCommandLineOptions
- (argc, argv, "LLVM Compiler Driver (Work In Progress)", true);
-
- PluginLoader Plugins;
- Plugins.PopulateLanguageMap(langMap);
- Plugins.PopulateCompilationGraph(graph);
-
- if (WriteGraph) {
- graph.writeGraph();
- if (!ViewGraph)
- return 0;
- }
-
- if (ViewGraph) {
- graph.viewGraph();
- return 0;
- }
-
- if (InputFilenames.empty()) {
- throw std::runtime_error("no input files");
- }
-
- return BuildTargets(graph, langMap);
- }
- catch(llvmc::error_code& ec) {
- return ec.code();
- }
- catch(const std::exception& ex) {
- std::cerr << argv[0] << ": " << ex.what() << '\n';
- }
- catch(...) {
- std::cerr << argv[0] << ": unknown error!\n";
- }
- return 1;
-}
-//===- Graph.td - LLVMC2 toolchain descriptions ------------*- tablegen -*-===//
+//===- Base.td - LLVMC2 toolchain descriptions -------------*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// A (first stab at a) replacement for the Clang's ccc script.
// To compile, use this command:
// cd $LLVMC2_DIR
-// make TOOLNAME=ccc2 BUILTIN_PLUGINS=Clang
+// make DRIVER_NAME=ccc2 BUILTIN_PLUGINS=Clang
include "llvm/CompilerDriver/Common.td"
-##===- tools/llvmc2/plugins/Makefile.common ----------------*- Makefile -*-===##
+##===- tools/llvmc2/plugins/Makefile.plugins ----------------*- Makefile -*-===##
#
# The LLVM Compiler Infrastructure
#
include $(LEVEL)/Makefile.common
+# TOFIX: This should go into Makefile.rules
+
ifdef BUILD_AUTOGENERATED_INC
TD_COMMON = $(wildcard $(LLVM_SRC_ROOT)/include/llvm/CompilerDriver/*.td)
--- /dev/null
+//===--- Action.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open
+// Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Action class - implementation and auxiliary functions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CompilerDriver/Action.h"
+
+#include "llvm/Support/CommandLine.h"
+#include "llvm/System/Program.h"
+
+#include <iostream>
+#include <stdexcept>
+
+using namespace llvm;
+using namespace llvmc;
+
+extern cl::opt<bool> DryRun;
+extern cl::opt<bool> VerboseMode;
+
+namespace {
+ int ExecuteProgram(const std::string& name,
+ const StrVector& args) {
+ sys::Path prog = sys::Program::FindProgramByName(name);
+
+ if (prog.isEmpty())
+ throw std::runtime_error("Can't find program '" + name + "'");
+ if (!prog.canExecute())
+ throw std::runtime_error("Program '" + name + "' is not executable.");
+
+ // Build the command line vector and the redirects array.
+ const sys::Path* redirects[3] = {0,0,0};
+ sys::Path stdout_redirect;
+
+ std::vector<const char*> argv;
+ argv.reserve((args.size()+2));
+ argv.push_back(name.c_str());
+
+ for (StrVector::const_iterator B = args.begin(), E = args.end();
+ B!=E; ++B) {
+ if (*B == ">") {
+ ++B;
+ stdout_redirect.set(*B);
+ redirects[1] = &stdout_redirect;
+ }
+ else {
+ argv.push_back((*B).c_str());
+ }
+ }
+ argv.push_back(0); // null terminate list.
+
+ // Invoke the program.
+ return sys::Program::ExecuteAndWait(prog, &argv[0], 0, &redirects[0]);
+ }
+
+ void print_string (const std::string& str) {
+ std::cerr << str << ' ';
+ }
+}
+
+int llvmc::Action::Execute() const {
+ if (DryRun || VerboseMode) {
+ std::cerr << Command_ << " ";
+ std::for_each(Args_.begin(), Args_.end(), print_string);
+ std::cerr << '\n';
+ }
+ if (DryRun)
+ return 0;
+ else
+ return ExecuteProgram(Command_, Args_);
+}
--- /dev/null
+//===--- CompilationGraph.cpp - The LLVM Compiler Driver --------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open
+// Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Compilation graph - implementation.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Error.h"
+#include "llvm/CompilerDriver/CompilationGraph.h"
+
+#include "llvm/ADT/STLExtras.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/DOTGraphTraits.h"
+#include "llvm/Support/GraphWriter.h"
+
+#include <algorithm>
+#include <iterator>
+#include <limits>
+#include <queue>
+#include <stdexcept>
+
+using namespace llvm;
+using namespace llvmc;
+
+extern cl::list<std::string> InputFilenames;
+extern cl::opt<std::string> OutputFilename;
+extern cl::list<std::string> Languages;
+
+namespace llvmc {
+
+ const std::string& LanguageMap::GetLanguage(const sys::Path& File) const {
+ LanguageMap::const_iterator Lang = this->find(File.getSuffix());
+ if (Lang == this->end())
+ throw std::runtime_error("Unknown suffix: " + File.getSuffix());
+ return Lang->second;
+ }
+}
+
+namespace {
+
+ /// ChooseEdge - Return the edge with the maximum weight.
+ template <class C>
+ const Edge* ChooseEdge(const C& EdgesContainer,
+ const InputLanguagesSet& InLangs,
+ const std::string& NodeName = "root") {
+ const Edge* MaxEdge = 0;
+ unsigned MaxWeight = 0;
+ bool SingleMax = true;
+
+ for (typename C::const_iterator B = EdgesContainer.begin(),
+ E = EdgesContainer.end(); B != E; ++B) {
+ const Edge* e = B->getPtr();
+ unsigned EW = e->Weight(InLangs);
+ if (EW > MaxWeight) {
+ MaxEdge = e;
+ MaxWeight = EW;
+ SingleMax = true;
+ } else if (EW == MaxWeight) {
+ SingleMax = false;
+ }
+ }
+
+ if (!SingleMax)
+ throw std::runtime_error("Node " + NodeName +
+ ": multiple maximal outward edges found!"
+ " Most probably a specification error.");
+ if (!MaxEdge)
+ throw std::runtime_error("Node " + NodeName +
+ ": no maximal outward edge found!"
+ " Most probably a specification error.");
+ return MaxEdge;
+ }
+
+}
+
+CompilationGraph::CompilationGraph() {
+ NodesMap["root"] = Node(this);
+}
+
+Node& CompilationGraph::getNode(const std::string& ToolName) {
+ nodes_map_type::iterator I = NodesMap.find(ToolName);
+ if (I == NodesMap.end())
+ throw std::runtime_error("Node " + ToolName + " is not in the graph");
+ return I->second;
+}
+
+const Node& CompilationGraph::getNode(const std::string& ToolName) const {
+ nodes_map_type::const_iterator I = NodesMap.find(ToolName);
+ if (I == NodesMap.end())
+ throw std::runtime_error("Node " + ToolName + " is not in the graph!");
+ return I->second;
+}
+
+// Find the tools list corresponding to the given language name.
+const CompilationGraph::tools_vector_type&
+CompilationGraph::getToolsVector(const std::string& LangName) const
+{
+ tools_map_type::const_iterator I = ToolsMap.find(LangName);
+ if (I == ToolsMap.end())
+ throw std::runtime_error("No tool corresponding to the language "
+ + LangName + " found");
+ return I->second;
+}
+
+void CompilationGraph::insertNode(Tool* V) {
+ if (NodesMap.count(V->Name()) == 0) {
+ Node N;
+ N.OwningGraph = this;
+ N.ToolPtr = V;
+ NodesMap[V->Name()] = N;
+ }
+}
+
+void CompilationGraph::insertEdge(const std::string& A, Edge* Edg) {
+ Node& B = getNode(Edg->ToolName());
+ if (A == "root") {
+ const char** InLangs = B.ToolPtr->InputLanguages();
+ for (;*InLangs; ++InLangs)
+ ToolsMap[*InLangs].push_back(IntrusiveRefCntPtr<Edge>(Edg));
+ NodesMap["root"].AddEdge(Edg);
+ }
+ else {
+ Node& N = getNode(A);
+ N.AddEdge(Edg);
+ }
+ // Increase the inward edge counter.
+ B.IncrInEdges();
+}
+
+namespace {
+ sys::Path MakeTempFile(const sys::Path& TempDir, const std::string& BaseName,
+ const std::string& Suffix) {
+ sys::Path Out;
+
+ // Make sure we don't end up with path names like '/file.o' if the
+ // TempDir is empty.
+ if (TempDir.empty()) {
+ Out.set(BaseName);
+ }
+ else {
+ Out = TempDir;
+ Out.appendComponent(BaseName);
+ }
+ Out.appendSuffix(Suffix);
+ // NOTE: makeUnique always *creates* a unique temporary file,
+ // which is good, since there will be no races. However, some
+ // tools do not like it when the output file already exists, so
+ // they have to be placated with -f or something like that.
+ Out.makeUnique(true, NULL);
+ return Out;
+ }
+}
+
+// Pass input file through the chain until we bump into a Join node or
+// a node that says that it is the last.
+void CompilationGraph::PassThroughGraph (const sys::Path& InFile,
+ const Node* StartNode,
+ const InputLanguagesSet& InLangs,
+ const sys::Path& TempDir,
+ const LanguageMap& LangMap) const {
+ bool Last = false;
+ sys::Path In = InFile;
+ const Node* CurNode = StartNode;
+
+ while(!Last) {
+ sys::Path Out;
+ Tool* CurTool = CurNode->ToolPtr.getPtr();
+
+ if (CurTool->IsJoin()) {
+ JoinTool& JT = dynamic_cast<JoinTool&>(*CurTool);
+ JT.AddToJoinList(In);
+ break;
+ }
+
+ // Since toolchains do not have to end with a Join node, we should
+ // check if this Node is the last.
+ if (!CurNode->HasChildren() || CurTool->IsLast()) {
+ if (!OutputFilename.empty()) {
+ Out.set(OutputFilename);
+ }
+ else {
+ Out.set(In.getBasename());
+ Out.appendSuffix(CurTool->OutputSuffix());
+ }
+ Last = true;
+ }
+ else {
+ Out = MakeTempFile(TempDir, In.getBasename(), CurTool->OutputSuffix());
+ }
+
+ if (int ret = CurTool->GenerateAction(In, Out, InLangs, LangMap).Execute())
+ throw error_code(ret);
+
+ if (Last)
+ return;
+
+ CurNode = &getNode(ChooseEdge(CurNode->OutEdges,
+ InLangs,
+ CurNode->Name())->ToolName());
+ In = Out; Out.clear();
+ }
+}
+
+// Find the head of the toolchain corresponding to the given file.
+// Also, insert an input language into InLangs.
+const Node* CompilationGraph::
+FindToolChain(const sys::Path& In, const std::string* ForceLanguage,
+ InputLanguagesSet& InLangs, const LanguageMap& LangMap) const {
+
+ // Determine the input language.
+ const std::string& InLanguage =
+ ForceLanguage ? *ForceLanguage : LangMap.GetLanguage(In);
+
+ // Add the current input language to the input language set.
+ InLangs.insert(InLanguage);
+
+ // Find the toolchain for the input language.
+ const tools_vector_type& TV = getToolsVector(InLanguage);
+ if (TV.empty())
+ throw std::runtime_error("No toolchain corresponding to language "
+ + InLanguage + " found");
+ return &getNode(ChooseEdge(TV, InLangs)->ToolName());
+}
+
+// Helper function used by Build().
+// Traverses initial portions of the toolchains (up to the first Join node).
+// This function is also responsible for handling the -x option.
+void CompilationGraph::BuildInitial (InputLanguagesSet& InLangs,
+ const sys::Path& TempDir,
+ const LanguageMap& LangMap) {
+ // This is related to -x option handling.
+ cl::list<std::string>::const_iterator xIter = Languages.begin(),
+ xBegin = xIter, xEnd = Languages.end();
+ bool xEmpty = true;
+ const std::string* xLanguage = 0;
+ unsigned xPos = 0, xPosNext = 0, filePos = 0;
+
+ if (xIter != xEnd) {
+ xEmpty = false;
+ xPos = Languages.getPosition(xIter - xBegin);
+ cl::list<std::string>::const_iterator xNext = llvm::next(xIter);
+ xPosNext = (xNext == xEnd) ? std::numeric_limits<unsigned>::max()
+ : Languages.getPosition(xNext - xBegin);
+ xLanguage = (*xIter == "none") ? 0 : &(*xIter);
+ }
+
+ // For each input file:
+ for (cl::list<std::string>::const_iterator B = InputFilenames.begin(),
+ CB = B, E = InputFilenames.end(); B != E; ++B) {
+ sys::Path In = sys::Path(*B);
+
+ // Code for handling the -x option.
+ // Output: std::string* xLanguage (can be NULL).
+ if (!xEmpty) {
+ filePos = InputFilenames.getPosition(B - CB);
+
+ if (xPos < filePos) {
+ if (filePos < xPosNext) {
+ xLanguage = (*xIter == "none") ? 0 : &(*xIter);
+ }
+ else { // filePos >= xPosNext
+ // Skip xIters while filePos > xPosNext
+ while (filePos > xPosNext) {
+ ++xIter;
+ xPos = xPosNext;
+
+ cl::list<std::string>::const_iterator xNext = llvm::next(xIter);
+ if (xNext == xEnd)
+ xPosNext = std::numeric_limits<unsigned>::max();
+ else
+ xPosNext = Languages.getPosition(xNext - xBegin);
+ xLanguage = (*xIter == "none") ? 0 : &(*xIter);
+ }
+ }
+ }
+ }
+
+ // Find the toolchain corresponding to this file.
+ const Node* N = FindToolChain(In, xLanguage, InLangs, LangMap);
+ // Pass file through the chain starting at head.
+ PassThroughGraph(In, N, InLangs, TempDir, LangMap);
+ }
+}
+
+// Sort the nodes in topological order.
+void CompilationGraph::TopologicalSort(std::vector<const Node*>& Out) {
+ std::queue<const Node*> Q;
+ Q.push(&getNode("root"));
+
+ while (!Q.empty()) {
+ const Node* A = Q.front();
+ Q.pop();
+ Out.push_back(A);
+ for (Node::const_iterator EB = A->EdgesBegin(), EE = A->EdgesEnd();
+ EB != EE; ++EB) {
+ Node* B = &getNode((*EB)->ToolName());
+ B->DecrInEdges();
+ if (B->HasNoInEdges())
+ Q.push(B);
+ }
+ }
+}
+
+namespace {
+ bool NotJoinNode(const Node* N) {
+ return N->ToolPtr ? !N->ToolPtr->IsJoin() : true;
+ }
+}
+
+// Call TopologicalSort and filter the resulting list to include
+// only Join nodes.
+void CompilationGraph::
+TopologicalSortFilterJoinNodes(std::vector<const Node*>& Out) {
+ std::vector<const Node*> TopSorted;
+ TopologicalSort(TopSorted);
+ std::remove_copy_if(TopSorted.begin(), TopSorted.end(),
+ std::back_inserter(Out), NotJoinNode);
+}
+
+int CompilationGraph::Build (const sys::Path& TempDir,
+ const LanguageMap& LangMap) {
+
+ InputLanguagesSet InLangs;
+
+ // Traverse initial parts of the toolchains and fill in InLangs.
+ BuildInitial(InLangs, TempDir, LangMap);
+
+ std::vector<const Node*> JTV;
+ TopologicalSortFilterJoinNodes(JTV);
+
+ // For all join nodes in topological order:
+ for (std::vector<const Node*>::iterator B = JTV.begin(), E = JTV.end();
+ B != E; ++B) {
+
+ sys::Path Out;
+ const Node* CurNode = *B;
+ JoinTool* JT = &dynamic_cast<JoinTool&>(*CurNode->ToolPtr.getPtr());
+ bool IsLast = false;
+
+ // Are there any files in the join list?
+ if (JT->JoinListEmpty())
+ continue;
+
+ // Is this the last tool in the toolchain?
+ // NOTE: we can process several toolchains in parallel.
+ if (!CurNode->HasChildren() || JT->IsLast()) {
+ if (OutputFilename.empty()) {
+ Out.set("a");
+ Out.appendSuffix(JT->OutputSuffix());
+ }
+ else
+ Out.set(OutputFilename);
+ IsLast = true;
+ }
+ else {
+ Out = MakeTempFile(TempDir, "tmp", JT->OutputSuffix());
+ }
+
+ if (int ret = JT->GenerateAction(Out, InLangs, LangMap).Execute())
+ throw error_code(ret);
+
+ if (!IsLast) {
+ const Node* NextNode =
+ &getNode(ChooseEdge(CurNode->OutEdges, InLangs,
+ CurNode->Name())->ToolName());
+ PassThroughGraph(Out, NextNode, InLangs, TempDir, LangMap);
+ }
+ }
+
+ return 0;
+}
+
+// Code related to graph visualization.
+
+namespace llvm {
+ template <>
+ struct DOTGraphTraits<llvmc::CompilationGraph*>
+ : public DefaultDOTGraphTraits
+ {
+
+ template<typename GraphType>
+ static std::string getNodeLabel(const Node* N, const GraphType&)
+ {
+ if (N->ToolPtr)
+ if (N->ToolPtr->IsJoin())
+ return N->Name() + "\n (join" +
+ (N->HasChildren() ? ")"
+ : std::string(": ") + N->ToolPtr->OutputLanguage() + ')');
+ else
+ return N->Name();
+ else
+ return "root";
+ }
+
+ template<typename EdgeIter>
+ static std::string getEdgeSourceLabel(const Node* N, EdgeIter I) {
+ if (N->ToolPtr) {
+ return N->ToolPtr->OutputLanguage();
+ }
+ else {
+ const char** InLangs = I->ToolPtr->InputLanguages();
+ std::string ret;
+
+ for (; *InLangs; ++InLangs) {
+ if (*(InLangs + 1)) {
+ ret += *InLangs;
+ ret += ", ";
+ }
+ else {
+ ret += *InLangs;
+ }
+ }
+
+ return ret;
+ }
+ }
+ };
+
+}
+
+void CompilationGraph::writeGraph() {
+ std::ofstream O("compilation-graph.dot");
+
+ if (O.good()) {
+ llvm::WriteGraph(this, "compilation-graph");
+ O.close();
+ }
+ else {
+ throw std::runtime_error("Error opening file 'compilation-graph.dot'"
+ " for writing!");
+ }
+}
+
+void CompilationGraph::viewGraph() {
+ llvm::ViewGraph(this, "compilation-graph");
+}
--- /dev/null
+//===--- Error.h - The LLVM Compiler Driver ---------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open
+// Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Exception classes for LLVMC.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TOOLS_LLVMC2_ERROR_H
+#define LLVM_TOOLS_LLVMC2_ERROR_H
+
+#include <stdexcept>
+
+namespace llvmc {
+
+ class error_code: public std::runtime_error {
+ int Code_;
+ public:
+ error_code (int c)
+ : std::runtime_error("Tool returned error code"), Code_(c)
+ {}
+
+ int code() const { return Code_; }
+ };
+
+}
+
+#endif //LLVM_TOOLS_LLVMC2_ERROR_H
--- /dev/null
+##===- tools/llvmc2/src/Makefile ---------------------------*- Makefile -*-===##
+#
+# The LLVM Compiler Infrastructure
+#
+# This file is distributed under the University of Illinois Open
+# Source License. See LICENSE.TXT for details.
+#
+##===----------------------------------------------------------------------===##
+
+LEVEL = ../../..
+TOOLNAME = $(DRIVER_NAME)
+LINK_COMPONENTS = support system
+REQUIRES_EH := 1
+
+ifneq ($(BUILTIN_PLUGINS),)
+USEDLIBS = $(patsubst %,LLVMC%,$(BUILTIN_PLUGINS))
+endif
+
+include $(LEVEL)/Makefile.common
--- /dev/null
+//===--- Plugin.cpp - The LLVM Compiler Driver ------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open
+// Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Plugin support for llvmc2.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CompilerDriver/Plugin.h"
+
+#include <vector>
+
+namespace {
+
+ // Registry::Add<> does not do lifetime management (probably issues
+ // with static constructor/destructor ordering), so we have to
+ // implement it here.
+ //
+ // All this static registration/life-before-main model seems
+ // unnecessary convoluted to me.
+
+ static bool pluginListInitialized = false;
+ typedef std::vector<const llvmc::BasePlugin*> PluginList;
+ static PluginList Plugins;
+}
+
+namespace llvmc {
+
+ PluginLoader::PluginLoader() {
+ if (!pluginListInitialized) {
+ for (PluginRegistry::iterator B = PluginRegistry::begin(),
+ E = PluginRegistry::end(); B != E; ++B)
+ Plugins.push_back(B->instantiate());
+ }
+ pluginListInitialized = true;
+ }
+
+ PluginLoader::~PluginLoader() {
+ if (pluginListInitialized) {
+ for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
+ B != E; ++B)
+ delete (*B);
+ }
+ pluginListInitialized = false;
+ }
+
+ void PluginLoader::PopulateLanguageMap(LanguageMap& langMap) {
+ for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
+ B != E; ++B)
+ (*B)->PopulateLanguageMap(langMap);
+ }
+
+ void PluginLoader::PopulateCompilationGraph(CompilationGraph& graph) {
+ for (PluginList::iterator B = Plugins.begin(), E = Plugins.end();
+ B != E; ++B)
+ (*B)->PopulateCompilationGraph(graph);
+ }
+
+}
--- /dev/null
+//===--- llvmc.cpp - The LLVM Compiler Driver -------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open
+// Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This tool provides a single point of access to the LLVM
+// compilation tools. It has many options. To discover the options
+// supported please refer to the tools' manual page or run the tool
+// with the --help option.
+//
+//===----------------------------------------------------------------------===//
+
+#include "Error.h"
+
+#include "llvm/CompilerDriver/CompilationGraph.h"
+#include "llvm/CompilerDriver/Plugin.h"
+
+#include "llvm/System/Path.h"
+#include "llvm/Support/CommandLine.h"
+#include "llvm/Support/PluginLoader.h"
+
+#include <iostream>
+#include <stdexcept>
+#include <string>
+
+namespace cl = llvm::cl;
+namespace sys = llvm::sys;
+using namespace llvmc;
+
+// Built-in command-line options.
+// External linkage here is intentional.
+
+cl::list<std::string> InputFilenames(cl::Positional, cl::desc("<input file>"),
+ cl::ZeroOrMore);
+cl::opt<std::string> OutputFilename("o", cl::desc("Output file name"),
+ cl::value_desc("file"));
+cl::list<std::string> Languages("x",
+ cl::desc("Specify the language of the following input files"),
+ cl::ZeroOrMore);
+cl::opt<bool> DryRun("dry-run",
+ cl::desc("Only pretend to run commands"));
+cl::opt<bool> VerboseMode("v",
+ cl::desc("Enable verbose mode"));
+cl::opt<bool> WriteGraph("write-graph",
+ cl::desc("Write compilation-graph.dot file"),
+ cl::Hidden);
+cl::opt<bool> ViewGraph("view-graph",
+ cl::desc("Show compilation graph in GhostView"),
+ cl::Hidden);
+cl::opt<bool> SaveTemps("save-temps",
+ cl::desc("Keep temporary files"),
+ cl::Hidden);
+
+namespace {
+ /// BuildTargets - A small wrapper for CompilationGraph::Build.
+ int BuildTargets(CompilationGraph& graph, const LanguageMap& langMap) {
+ int ret;
+ const sys::Path& tempDir = SaveTemps
+ ? sys::Path("")
+ : sys::Path(sys::Path::GetTemporaryDirectory());
+
+ try {
+ ret = graph.Build(tempDir, langMap);
+ }
+ catch(...) {
+ tempDir.eraseFromDisk(true);
+ throw;
+ }
+
+ if (!SaveTemps)
+ tempDir.eraseFromDisk(true);
+ return ret;
+ }
+}
+
+int main(int argc, char** argv) {
+ try {
+ LanguageMap langMap;
+ CompilationGraph graph;
+
+ cl::ParseCommandLineOptions
+ (argc, argv, "LLVM Compiler Driver (Work In Progress)", true);
+
+ PluginLoader Plugins;
+ Plugins.PopulateLanguageMap(langMap);
+ Plugins.PopulateCompilationGraph(graph);
+
+ if (WriteGraph) {
+ graph.writeGraph();
+ if (!ViewGraph)
+ return 0;
+ }
+
+ if (ViewGraph) {
+ graph.viewGraph();
+ return 0;
+ }
+
+ if (InputFilenames.empty()) {
+ throw std::runtime_error("no input files");
+ }
+
+ return BuildTargets(graph, langMap);
+ }
+ catch(llvmc::error_code& ec) {
+ return ec.code();
+ }
+ catch(const std::exception& ex) {
+ std::cerr << argv[0] << ": " << ex.what() << '\n';
+ }
+ catch(...) {
+ std::cerr << argv[0] << ": unknown error!\n";
+ }
+ return 1;
+}
projects / oota-llvm.git / commitdiff