Minor cleanup related to my latest scheduler changes.

[oota-llvm.git] / tools / lli / lli.cpp

diff --git a/tools/lli/lli.cpp b/tools/lli/lli.cpp
index adc6e90eb99a9c02fd492da28c3be3a463f2990d..a756459ecc230660ef5e90c5baa010d6e3bde01e 100644 (file)
--- a/tools/lli/lli.cpp
+++ b/tools/lli/lli.cpp
@@ -23,14 +23,16 @@
 #include "llvm/ExecutionEngine/Interpreter.h"
 #include "llvm/ExecutionEngine/JIT.h"
 #include "llvm/ExecutionEngine/JITEventListener.h"
+#include "llvm/ExecutionEngine/MCJIT.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/IRReader.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/PluginLoader.h"
 #include "llvm/Support/PrettyStackTrace.h"
 #include "llvm/Support/raw_ostream.h"
-#include "llvm/System/Process.h"
-#include "llvm/System/Signals.h"
+#include "llvm/Support/Process.h"
+#include "llvm/Support/Signals.h"
 #include "llvm/Target/TargetSelect.h"
 #include <cerrno>
 
@@ -54,6 +56,10 @@ namespace {
                                  cl::desc("Force interpretation: disable JIT"),
                                  cl::init(false));
 
+  cl::opt<bool> UseMCJIT(
+    "use-mcjit", cl::desc("Enable use of the MC-based JIT (if available)"),
+    cl::init(false));
+
   // Determine optimization level.
   cl::opt<char>
   OptLevel("O",
@@ -136,20 +142,15 @@ int main(int argc, char **argv, char * const *envp) {
     sys::Process::PreventCoreFiles();
   
   // Load the bitcode...
-  std::string ErrorMsg;
-  Module *Mod = NULL;
-  if (MemoryBuffer *Buffer = MemoryBuffer::getFileOrSTDIN(InputFile,&ErrorMsg)){
-    Mod = getLazyBitcodeModule(Buffer, Context, &ErrorMsg);
-    if (!Mod) delete Buffer;
-  }
-  
+  SMDiagnostic Err;
+  Module *Mod = ParseIRFile(InputFile, Err, Context);
   if (!Mod) {
-    errs() << argv[0] << ": error loading program '" << InputFile << "': "
-           << ErrorMsg << "\n";
-    exit(1);
+    Err.Print(argv[0], errs());
+    return 1;
   }
 
   // If not jitting lazily, load the whole bitcode file eagerly too.
+  std::string ErrorMsg;
   if (NoLazyCompilation) {
     if (Mod->MaterializeAllPermanently(&ErrorMsg)) {
       errs() << argv[0] << ": bitcode didn't read correctly.\n";
@@ -171,6 +172,10 @@ int main(int argc, char **argv, char * const *envp) {
   if (!TargetTriple.empty())
     Mod->setTargetTriple(Triple::normalize(TargetTriple));
 
+  // Enable MCJIT, if desired.
+  if (UseMCJIT)
+    builder.setUseMCJIT(true);
+
   CodeGenOpt::Level OLvl = CodeGenOpt::Default;
   switch (OptLevel) {
   default: