[llvm] r176134 - Try to get rid of a -wunitialized warning: explicitly initialize the pointer

[Eli Bendersky]

Author: eliben
Date: Tue Feb 26 17:04:17 2013
New Revision: 176134

URL: http://llvm.org/viewvc/llvm-project?rev=176134&view=rev
Log:
Try to get rid of a -wunitialized warning: explicitly initialize the pointer
to NULL and use asserts to check in relevant places.

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=176134&r1=176133&r2=176134&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-mc/llvm-mc.cpp (original)
+++ llvm/trunk/tools/llvm-mc/llvm-mc.cpp Tue Feb 26 17:04:17 2013
@@ -427,7 +427,7 @@ int main(int argc, char **argv) {
   OwningPtr<MCSubtargetInfo>
     STI(TheTarget->createMCSubtargetInfo(TripleName, MCPU, FeaturesStr));
 
-  MCInstPrinter *IP;
+  MCInstPrinter *IP = NULL;
   if (FileType == OFT_AssemblyFile) {
     IP =
       TheTarget->createMCInstPrinter(OutputAsmVariant, *MAI, *MCII, *MRI, *STI);
@@ -465,10 +465,12 @@ int main(int argc, char **argv) {
     Res = AssembleInput(ProgName, TheTarget, SrcMgr, Ctx, *Str, *MAI, *STI);
     break;
   case AC_MDisassemble:
+    assert(IP && "Expected assembly output");
     IP->setUseMarkup(1);
     disassemble = true;
     break;
   case AC_HDisassemble:
+    assert(IP && "Expected assembly output");
     IP->setPrintImmHex(1);
     disassemble = true;
     break;