[llvm-commits] [poolalloc] r129007 - /poolalloc/trunk/lib/AssistDS/ArgCast.cpp

[Arushi Aggarwal]

Author: aggarwa4
Date: Wed Apr  6 11:31:50 2011
New Revision: 129007

URL: http://llvm.org/viewvc/llvm-project?rev=129007&view=rev
Log:
Expanded comment.

Modified:
    poolalloc/trunk/lib/AssistDS/ArgCast.cpp

Modified: poolalloc/trunk/lib/AssistDS/ArgCast.cpp
URL: http://llvm.org/viewvc/llvm-project/poolalloc/trunk/lib/AssistDS/ArgCast.cpp?rev=129007&r1=129006&r2=129007&view=diff
==============================================================================
--- poolalloc/trunk/lib/AssistDS/ArgCast.cpp (original)
+++ poolalloc/trunk/lib/AssistDS/ArgCast.cpp Wed Apr  6 11:31:50 2011
@@ -137,12 +137,15 @@
                                                               FormalType, false, "", CI);
                 Args.push_back(CastI);
               } else {
-                //  Use ZExt in default case.
-                //  TODO: is this correct?
+                // Use ZExt in default case.
+                // Derived from InstCombine. Also, the only reason this should happen
+                // is mismatched prototypes.
+                // Seen in case of integer constants which get interpreted as i32, 
+                // even if being used as i64.
+                // TODO: is this correct?
                 CastInst *CastI = CastInst::CreateIntegerCast(CI->getOperand(i+1), 
                                                               FormalType, false, "", CI);
                 Args.push_back(CastI);
-                break;
               } 
             } 
           } else {