[llvm-commits] [llvm] r99349 - /llvm/trunk/tools/llvm-mc/llvm-mc.cpp

[Daniel Dunbar]

Author: ddunbar
Date: Tue Mar 23 18:47:12 2010
New Revision: 99349

URL: http://llvm.org/viewvc/llvm-project?rev=99349&view=rev
Log:
llvm-mc: Support -filetype=null, for timing purposes.

Modified:
    llvm/trunk/tools/llvm-mc/llvm-mc.cpp

Modified: llvm/trunk/tools/llvm-mc/llvm-mc.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-mc/llvm-mc.cpp?rev=99349&r1=99348&r2=99349&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-mc/llvm-mc.cpp (original)
+++ llvm/trunk/tools/llvm-mc/llvm-mc.cpp Tue Mar 23 18:47:12 2010
@@ -56,6 +56,7 @@
                  cl::desc("Syntax variant to use for output printing"));
 
 enum OutputFileType {
+  OFT_Null,
   OFT_AssemblyFile,
   OFT_ObjectFile
 };
@@ -65,6 +66,8 @@
   cl::values(
        clEnumValN(OFT_AssemblyFile, "asm",
                   "Emit an assembly ('.s') file"),
+       clEnumValN(OFT_Null, "null",
+                  "Don't emit anything (for timing purposes)"),
        clEnumValN(OFT_ObjectFile, "obj",
                   "Emit a native object ('.o') file"),
        clEnumValEnd));
@@ -289,6 +292,8 @@
       CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));
     Str.reset(createAsmStreamer(Ctx, *Out,TM->getTargetData()->isLittleEndian(),
                                 /*asmverbose*/true, IP, CE.get(), ShowInst));
+  } else if (FileType == OFT_Null) {
+    Str.reset(createNullStreamer(Ctx));
   } else {
     assert(FileType == OFT_ObjectFile && "Invalid file type!");
     CE.reset(TheTarget->createCodeEmitter(*TM, Ctx));