X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FSupport%2FIRReader.h;h=6d8a9b30ae1fd8bfee9f0c9b7f6bdceb765a2743;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=50de73803cf9e9df68c56c065fa434a7d4d51dc1;hpb=f0356fe140af1a30587b9a86bcfb1b2c51b8ce20;p=oota-llvm.git

diff --git a/include/llvm/Support/IRReader.h b/include/llvm/Support/IRReader.h
index 50de73803cf..6d8a9b30ae1 100644
--- a/include/llvm/Support/IRReader.h
+++ b/include/llvm/Support/IRReader.h
@@ -19,10 +19,12 @@
 #ifndef LLVM_SUPPORT_IRREADER_H
 #define LLVM_SUPPORT_IRREADER_H
 
+#include "llvm/ADT/OwningPtr.h"
 #include "llvm/Assembly/Parser.h"
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/system_error.h"
 
 namespace llvm {
 
@@ -30,15 +32,16 @@ namespace llvm {
   /// which does lazy deserialization of function bodies.  Otherwise, attempt to
   /// parse it as LLVM Assembly and return a fully populated Module. This
   /// function *always* takes ownership of the given MemoryBuffer.
-  inline Module *getIRModule(MemoryBuffer *Buffer,
-                             SMDiagnostic &Err,
-                             LLVMContext &Context) {
+  inline Module *getLazyIRModule(MemoryBuffer *Buffer,
+                                 SMDiagnostic &Err,
+                                 LLVMContext &Context) {
     if (isBitcode((const unsigned char *)Buffer->getBufferStart(),
                   (const unsigned char *)Buffer->getBufferEnd())) {
       std::string ErrMsg;
       Module *M = getLazyBitcodeModule(Buffer, Context, &ErrMsg);
       if (M == 0) {
-        Err = SMDiagnostic(Buffer->getBufferIdentifier(), -1, -1, ErrMsg, "");
+        Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error,
+                           ErrMsg);
         // ParseBitcodeFile does not take ownership of the Buffer in the
         // case of an error.
         delete Buffer;
@@ -53,18 +56,17 @@ namespace llvm {
   /// for it which does lazy deserialization of function bodies.  Otherwise,
   /// attempt to parse it as LLVM Assembly and return a fully populated
   /// Module.
-  inline Module *getIRFileModule(const std::string &Filename,
-                                 SMDiagnostic &Err,
-                                 LLVMContext &Context) {
-    std::string ErrMsg;
-    MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrMsg);
-    if (F == 0) {
-      Err = SMDiagnostic(Filename, -1, -1,
-                         "Could not open input file '" + Filename + "'", "");
+  inline Module *getLazyIRFileModule(const std::string &Filename,
+                                     SMDiagnostic &Err,
+                                     LLVMContext &Context) {
+    OwningPtr<MemoryBuffer> File;
+    if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+      Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
+                         "Could not open input file: " + ec.message());
       return 0;
     }
 
-    return getIRModule(F, Err, Context);
+    return getLazyIRModule(File.take(), Err, Context);
   }
 
   /// If the given MemoryBuffer holds a bitcode image, return a Module
@@ -78,10 +80,11 @@ namespace llvm {
                   (const unsigned char *)Buffer->getBufferEnd())) {
       std::string ErrMsg;
       Module *M = ParseBitcodeFile(Buffer, Context, &ErrMsg);
+      if (M == 0)
+        Err = SMDiagnostic(Buffer->getBufferIdentifier(), SourceMgr::DK_Error,
+                           ErrMsg);
       // ParseBitcodeFile does not take ownership of the Buffer.
       delete Buffer;
-      if (M == 0)
-        Err = SMDiagnostic(Buffer->getBufferIdentifier(), -1, -1, ErrMsg, "");
       return M;
     }
 
@@ -94,15 +97,14 @@ namespace llvm {
   inline Module *ParseIRFile(const std::string &Filename,
                              SMDiagnostic &Err,
                              LLVMContext &Context) {
-    std::string ErrMsg;
-    MemoryBuffer *F = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), &ErrMsg);
-    if (F == 0) {
-      Err = SMDiagnostic(Filename, -1, -1,
-                         "Could not open input file '" + Filename + "'", "");
+    OwningPtr<MemoryBuffer> File;
+    if (error_code ec = MemoryBuffer::getFileOrSTDIN(Filename.c_str(), File)) {
+      Err = SMDiagnostic(Filename, SourceMgr::DK_Error,
+                         "Could not open input file: " + ec.message());
       return 0;
     }
 
-    return ParseIR(F, Err, Context);
+    return ParseIR(File.take(), Err, Context);
   }
 
 }