[llvm-commits] [llvm] r103714 - /llvm/trunk/tools/gold/gold-plugin.cpp

[Rafael Espindola]

Author: rafael
Date: Thu May 13 08:39:31 2010
New Revision: 103714

URL: http://llvm.org/viewvc/llvm-project?rev=103714&view=rev
Log:
Add an also-emit-llvm option to the gold plugin.

Modified:
    llvm/trunk/tools/gold/gold-plugin.cpp

Modified: llvm/trunk/tools/gold/gold-plugin.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/gold/gold-plugin.cpp?rev=103714&r1=103713&r2=103714&view=diff
==============================================================================
--- llvm/trunk/tools/gold/gold-plugin.cpp (original)
+++ llvm/trunk/tools/gold/gold-plugin.cpp Thu May 13 08:39:31 2010
@@ -59,6 +59,7 @@
 
 namespace options {
   static bool generate_api_file = false;
+  static std::string bc_path;
   static const char *as_path = NULL;
   // Additional options to pass into the code generator.
   // Note: This array will contain all plugin options which are not claimed 
@@ -81,6 +82,14 @@
       } else {
         as_path = strdup(opt + 3);
       }
+    } else if(llvm::StringRef(opt).startswith("also-emit-llvm=")) {
+      const char *path = opt + strlen("also-emit-llvm=");
+      if (bc_path != "") {
+        (*message)(LDPL_WARNING, "Path to the output IL file specified twice. "
+                   "Discarding %s", opt);
+      } else {
+        bc_path = path;
+      }
     } else {
       // Save this option to pass to the code generator.
       extra.push_back(std::string(opt));
@@ -374,6 +383,11 @@
     }
   }
 
+  if (options::bc_path != "") {
+    bool err = lto_codegen_write_merged_modules(cg, options::bc_path.c_str());
+    if (err)
+      (*message)(LDPL_FATAL, "Failed to write the output file.");
+  }
   size_t bufsize = 0;
   const char *buffer = static_cast<const char *>(lto_codegen_compile(cg,
                                                                      &bufsize));