This mega patch converts us from using Function::a{iterator|begin|end} to
using Function::arg_{iterator|begin|end}.  Likewise Module::g* -> Module::global_*.

This patch is contributed by Gabor Greif, thanks!

llvm-svn: 20597
diff --git a/llvm/lib/Transforms/Instrumentation/ProfilingUtils.cpp b/llvm/lib/Transforms/Instrumentation/ProfilingUtils.cpp
index 1c0c4ad..5ce0142 100644
--- a/llvm/lib/Transforms/Instrumentation/ProfilingUtils.cpp
+++ b/llvm/lib/Transforms/Instrumentation/ProfilingUtils.cpp
@@ -55,11 +55,11 @@
   Instruction *InitCall = new CallInst(InitFn, Args, "newargc", InsertPos);
 
   // If argc or argv are not available in main, just pass null values in.
-  Function::aiterator AI;
-  switch (MainFn->asize()) {
+  Function::arg_iterator AI;
+  switch (MainFn->arg_size()) {
   default:
   case 2:
-    AI = MainFn->abegin(); ++AI;
+    AI = MainFn->arg_begin(); ++AI;
     if (AI->getType() != ArgVTy) {
       InitCall->setOperand(2, new CastInst(AI, ArgVTy, "argv.cast", InitCall));
     } else {
@@ -67,7 +67,7 @@
     }
 
   case 1:
-    AI = MainFn->abegin();
+    AI = MainFn->arg_begin();
     // If the program looked at argc, have it look at the return value of the
     // init call instead.
     if (AI->getType() != Type::IntTy) {
diff --git a/llvm/lib/Transforms/Instrumentation/TraceValues.cpp b/llvm/lib/Transforms/Instrumentation/TraceValues.cpp
index f645f1b..5be8637 100644
--- a/llvm/lib/Transforms/Instrumentation/TraceValues.cpp
+++ b/llvm/lib/Transforms/Instrumentation/TraceValues.cpp
@@ -367,7 +367,7 @@
 
   // Now print all the incoming arguments
   unsigned ArgNo = 0;
-  for (Function::aiterator I = F.abegin(), E = F.aend(); I != E; ++I, ++ArgNo){
+  for (Function::arg_iterator I = F.arg_begin(), E = F.arg_end(); I != E; ++I, ++ArgNo){
     InsertVerbosePrintInst(I, &BB, InsertPos,
                            "  Arg #" + utostr(ArgNo) + ": ", Printf,
                            HashPtrToSeqNum);