ExceptionDemo.cpp: Whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@165795 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 586 insertions, 587 deletions

diff --git a/examples/ExceptionDemo/ExceptionDemo.cpp b/examples/ExceptionDemo/ExceptionDemo.cpp
index 56d4d81b5c..276c30df2a 100644
--- a/examples/ExceptionDemo/ExceptionDemo.cpp
+++ b/examples/ExceptionDemo/ExceptionDemo.cpp
@@ -10,13 +10,13 @@
 // Demo program which implements an example LLVM exception implementation, and
 // shows several test cases including the handling of foreign exceptions.
 // It is run with type info types arguments to throw. A test will
-// be run for each given type info type. While type info types with the value 
+// be run for each given type info type. While type info types with the value
 // of -1 will trigger a foreign C++ exception to be thrown; type info types
-// <= 6 and >= 1 will cause the associated generated exceptions to be thrown 
+// <= 6 and >= 1 will cause the associated generated exceptions to be thrown
 // and caught by generated test functions; and type info types > 6
 // will result in exceptions which pass through to the test harness. All other
 // type info types are not supported and could cause a crash. In all cases,
-// the "finally" blocks of every generated test functions will executed 
+// the "finally" blocks of every generated test functions will executed
 // regardless of whether or not that test function ignores or catches the
 // thrown exception.
 //
@@ -25,25 +25,25 @@
 // ExceptionDemo
 //
 //     causes a usage to be printed to stderr
-// 
+//
 // ExceptionDemo 2 3 7 -1
 //
 //     results in the following cases:
-//         - Value 2 causes an exception with a type info type of 2 to be 
+//         - Value 2 causes an exception with a type info type of 2 to be
 //           thrown and caught by an inner generated test function.
-//         - Value 3 causes an exception with a type info type of 3 to be 
+//         - Value 3 causes an exception with a type info type of 3 to be
 //           thrown and caught by an outer generated test function.
-//         - Value 7 causes an exception with a type info type of 7 to be 
+//         - Value 7 causes an exception with a type info type of 7 to be
 //           thrown and NOT be caught by any generated function.
 //         - Value -1 causes a foreign C++ exception to be thrown and not be
 //           caught by any generated function
 //
 //     Cases -1 and 7 are caught by a C++ test harness where the validity of
-//         of a C++ catch(...) clause catching a generated exception with a 
-//         type info type of 7 is explained by: example in rules 1.6.4 in 
+//         of a C++ catch(...) clause catching a generated exception with a
+//         type info type of 7 is explained by: example in rules 1.6.4 in
 //         http://sourcery.mentor.com/public/cxx-abi/abi-eh.html (v1.22)
 //
-// This code uses code from the llvm compiler-rt project and the llvm 
+// This code uses code from the llvm compiler-rt project and the llvm
 // Kaleidoscope project.
 //
 //===----------------------------------------------------------------------===//
@@ -63,12 +63,12 @@
 #include "llvm/Support/Dwarf.h"
 #include "llvm/Support/TargetSelect.h"
 
-// FIXME: Although all systems tested with (Linux, OS X), do not need this 
-//        header file included. A user on ubuntu reported, undefined symbols 
+// FIXME: Although all systems tested with (Linux, OS X), do not need this
+//        header file included. A user on ubuntu reported, undefined symbols
 //        for stderr, and fprintf, and the addition of this include fixed the
-//        issue for them. Given that LLVM's best practices include the goal 
-//        of reducing the number of redundant header files included, the 
-//        correct solution would be to find out why these symbols are not 
+//        issue for them. Given that LLVM's best practices include the goal
+//        of reducing the number of redundant header files included, the
+//        correct solution would be to find out why these symbols are not
 //        defined for the system in question, and fix the issue by finding out
 //        which LLVM header file, if any, would include these symbols.
 #include <cstdio>
@@ -81,11 +81,11 @@
 #define USE_GLOBAL_STR_CONSTS true
 #endif
 
-// System C++ ABI unwind types from: 
+// System C++ ABI unwind types from:
 //     http://sourcery.mentor.com/public/cxx-abi/abi-eh.html (v1.22)
 
 extern "C" {
-  
+
   typedef enum {
     _URC_NO_REASON = 0,
     _URC_FOREIGN_EXCEPTION_CAUGHT = 1,
@@ -97,7 +97,7 @@ extern "C" {
     _URC_INSTALL_CONTEXT = 7,
     _URC_CONTINUE_UNWIND = 8
   } _Unwind_Reason_Code;
-  
+
   typedef enum {
     _UA_SEARCH_PHASE = 1,
     _UA_CLEANUP_PHASE = 2,
@@ -105,34 +105,34 @@ extern "C" {
     _UA_FORCE_UNWIND = 8,
     _UA_END_OF_STACK = 16
   } _Unwind_Action;
-  
+
   struct _Unwind_Exception;
-  
+
   typedef void (*_Unwind_Exception_Cleanup_Fn) (_Unwind_Reason_Code,
                                                 struct _Unwind_Exception *);
-  
+
   struct _Unwind_Exception {
     uint64_t exception_class;
     _Unwind_Exception_Cleanup_Fn exception_cleanup;
-    
-    uintptr_t private_1;    
-    uintptr_t private_2;    
-    
+
+    uintptr_t private_1;
+    uintptr_t private_2;
+
     // @@@ The IA-64 ABI says that this structure must be double-word aligned.
-    //  Taking that literally does not make much sense generically.  Instead 
+    //  Taking that literally does not make much sense generically.  Instead
     //  we provide the maximum alignment required by any type for the machine.
   } __attribute__((__aligned__));
-  
+
   struct _Unwind_Context;
   typedef struct _Unwind_Context *_Unwind_Context_t;
-  
+
   extern const uint8_t *_Unwind_GetLanguageSpecificData (_Unwind_Context_t c);
   extern uintptr_t _Unwind_GetGR (_Unwind_Context_t c, int i);
   extern void _Unwind_SetGR (_Unwind_Context_t c, int i, uintptr_t n);
   extern void _Unwind_SetIP (_Unwind_Context_t, uintptr_t new_value);
   extern uintptr_t _Unwind_GetIP (_Unwind_Context_t context);
   extern uintptr_t _Unwind_GetRegionStart (_Unwind_Context_t context);
-  
+
 } // extern "C"
 
 //
@@ -148,13 +148,13 @@ struct OurExceptionType_t {
 
 /// This is our Exception class which relies on a negative offset to calculate
 /// pointers to its instances from pointers to its unwindException member.
-/// 
+///
 /// Note: The above unwind.h defines struct _Unwind_Exception to be aligned
 ///       on a double word boundary. This is necessary to match the standard:
 ///       http://refspecs.freestandards.org/abi-eh-1.21.html
 struct OurBaseException_t {
   struct OurExceptionType_t type;
-  
+
   // Note: This is properly aligned in unwind.h
   struct _Unwind_Exception unwindException;
 };
@@ -165,7 +165,7 @@ typedef struct OurBaseException_t OurException;
 typedef struct _Unwind_Exception OurUnwindException;
 
 //
-// Various globals used to support typeinfo and generatted exceptions in 
+// Various globals used to support typeinfo and generatted exceptions in
 // general
 //
 
@@ -173,7 +173,7 @@ static std::map<std::string, llvm::Value*> namedValues;
 
 int64_t ourBaseFromUnwindOffset;
 
-const unsigned char ourBaseExcpClassChars[] = 
+const unsigned char ourBaseExcpClassChars[] =
 {'o', 'b', 'j', '\0', 'b', 'a', 's', '\0'};
 
 
@@ -203,7 +203,7 @@ typedef std::vector<llvm::Type*> ArgTypes;
 /// @param retType function return type
 /// @param theArgTypes function's ordered argument types
 /// @param theArgNames function's ordered arguments needed if use of this
-///        function corresponds to a function definition. Use empty 
+///        function corresponds to a function definition. Use empty
 ///        aggregate for function declarations.
 /// @param functName function name
 /// @param linkage function linkage
@@ -224,17 +224,17 @@ llvm::Function *createFunction(llvm::Module &module,
     llvm::Function::Create(functType, linkage, functName, &module);
   if (!ret || declarationOnly)
     return(ret);
-  
+
   namedValues.clear();
-  unsigned i = 0; 
+  unsigned i = 0;
   for (llvm::Function::arg_iterator argIndex = ret->arg_begin();
        i != theArgNames.size();
        ++argIndex, ++i) {
-    
+
     argIndex->setName(theArgNames[i]);
     namedValues[theArgNames[i]] = argIndex;
   }
-  
+
   return(ret);
 }
 
@@ -250,13 +250,13 @@ static llvm::AllocaInst *createEntryBlockAlloca(llvm::Function &function,
                                                 const std::string &varName,
                                                 llvm::Type *type,
                                                 llvm::Constant *initWith = 0) {
-  llvm::BasicBlock &block = function.getEntryBlock(); 
+  llvm::BasicBlock &block = function.getEntryBlock();
   llvm::IRBuilder<> tmp(&block, block.begin());
   llvm::AllocaInst *ret = tmp.CreateAlloca(type, 0, varName.c_str());
-  
-  if (initWith) 
+
+  if (initWith)
     tmp.CreateStore(initWith, ret);
-  
+
   return(ret);
 }
 
@@ -266,7 +266,7 @@ static llvm::AllocaInst *createEntryBlockAlloca(llvm::Function &function,
 //
 
 //
-// Runtime C Library functions 
+// Runtime C Library functions
 //
 
 // Note: using an extern "C" block so that static functions can be used
@@ -275,7 +275,7 @@ extern "C" {
 // Note: Better ways to decide on bit width
 //
 /// Prints a 32 bit number, according to the format, to stderr.
-/// @param intToPrint integer to print 
+/// @param intToPrint integer to print
 /// @param format printf like format to use when printing
 void print32Int(int intToPrint, const char *format) {
   if (format) {
@@ -292,7 +292,7 @@ void print32Int(int intToPrint, const char *format) {
 // Note: Better ways to decide on bit width
 //
 /// Prints a 64 bit number, according to the format, to stderr.
-/// @param intToPrint integer to print 
+/// @param intToPrint integer to print
 /// @param format printf like format to use when printing
 void print64Int(long int intToPrint, const char *format) {
   if (format) {
@@ -327,19 +327,19 @@ void deleteOurException(OurUnwindException *expToDelete) {
   fprintf(stderr,
           "deleteOurException(...).\n");
 #endif
-  
+
   if (expToDelete &&
       (expToDelete->exception_class == ourBaseExceptionClass)) {
-    
+
     free(((char*) expToDelete) + ourBaseFromUnwindOffset);
   }
 }
 
 
-/// This function is the struct _Unwind_Exception API mandated delete function 
-/// used by foreign exception handlers when deleting our exception 
+/// This function is the struct _Unwind_Exception API mandated delete function
+/// used by foreign exception handlers when deleting our exception
 /// (OurException), instances.
-/// @param reason @link http://refspecs.freestandards.org/abi-eh-1.21.html 
+/// @param reason @link http://refspecs.freestandards.org/abi-eh-1.21.html
 /// @unlink
 /// @param expToDelete exception instance to delete
 void deleteFromUnwindOurException(_Unwind_Reason_Code reason,
@@ -348,7 +348,7 @@ void deleteFromUnwindOurException(_Unwind_Reason_Code reason,
   fprintf(stderr,
           "deleteFromUnwindOurException(...).\n");
 #endif
-  
+
   deleteOurException(expToDelete);
 }
 
@@ -362,13 +362,13 @@ OurUnwindException *createOurException(int type) {
   (ret->type).type = type;
   (ret->unwindException).exception_class = ourBaseExceptionClass;
   (ret->unwindException).exception_cleanup = deleteFromUnwindOurException;
-  
+
   return(&(ret->unwindException));
 }
 
 
-/// Read a uleb128 encoded value and advance pointer 
-/// See Variable Length Data in: 
+/// Read a uleb128 encoded value and advance pointer
+/// See Variable Length Data in:
 /// @link http://dwarfstd.org/Dwarf3.pdf @unlink
 /// @param data reference variable holding memory pointer to decode from
 /// @returns decoded value
@@ -377,22 +377,22 @@ static uintptr_t readULEB128(const uint8_t **data) {
   uintptr_t shift = 0;
   unsigned char byte;
   const uint8_t *p = *data;
-  
+
   do {
     byte = *p++;
     result |= (byte & 0x7f) << shift;
     shift += 7;
-  } 
+  }
   while (byte & 0x80);
-  
+
   *data = p;
-  
+
   return result;
 }
 
 
-/// Read a sleb128 encoded value and advance pointer 
-/// See Variable Length Data in: 
+/// Read a sleb128 encoded value and advance pointer
+/// See Variable Length Data in:
 /// @link http://dwarfstd.org/Dwarf3.pdf @unlink
 /// @param data reference variable holding memory pointer to decode from
 /// @returns decoded value
@@ -401,26 +401,26 @@ static uintptr_t readSLEB128(const uint8_t **data) {
   uintptr_t shift = 0;
   unsigned char byte;
   const uint8_t *p = *data;
-  
+
   do {
     byte = *p++;
     result |= (byte & 0x7f) << shift;
     shift += 7;
-  } 
+  }
   while (byte & 0x80);
-  
+
   *data = p;
-  
+
   if ((byte & 0x40) && (shift < (sizeof(result) << 3))) {
     result |= (~0 << shift);
   }
-  
+
   return result;
 }
 
 
-/// Read a pointer encoded value and advance pointer 
-/// See Variable Length Data in: 
+/// Read a pointer encoded value and advance pointer
+/// See Variable Length Data in:
 /// @link http://dwarfstd.org/Dwarf3.pdf @unlink
 /// @param data reference variable holding memory pointer to decode from
 /// @param encoding dwarf encoding type
@@ -428,11 +428,11 @@ static uintptr_t readSLEB128(const uint8_t **data) {
 static uintptr_t readEncodedPointer(const uint8_t **data, uint8_t encoding) {
   uintptr_t result = 0;
   const uint8_t *p = *data;
-  
-  if (encoding == llvm::dwarf::DW_EH_PE_omit) 
+
+  if (encoding == llvm::dwarf::DW_EH_PE_omit)
     return(result);
-  
-  // first get value 
+
+  // first get value
   switch (encoding & 0x0F) {
     case llvm::dwarf::DW_EH_PE_absptr:
       result = *((uintptr_t*)p);
@@ -470,15 +470,15 @@ static uintptr_t readEncodedPointer(const uint8_t **data, uint8_t encoding) {
       p += sizeof(int64_t);
       break;
     default:
-      // not supported 
+      // not supported
       abort();
       break;
   }
-  
-  // then add relative offset 
+
+  // then add relative offset
   switch (encoding & 0x70) {
     case llvm::dwarf::DW_EH_PE_absptr:
-      // do nothing 
+      // do nothing
       break;
     case llvm::dwarf::DW_EH_PE_pcrel:
       result += (uintptr_t)(*data);
@@ -488,34 +488,34 @@ static uintptr_t readEncodedPointer(const uint8_t **data, uint8_t encoding) {
     case llvm::dwarf::DW_EH_PE_funcrel:
     case llvm::dwarf::DW_EH_PE_aligned:
     default:
-      // not supported 
+      // not supported
       abort();
       break;
   }
-  
-  // then apply indirection 
+
+  // then apply indirection
   if (encoding & llvm::dwarf::DW_EH_PE_indirect) {
     result = *((uintptr_t*)result);
   }
-  
+
   *data = p;
-  
+
   return result;
 }
 
 
-/// Deals with Dwarf actions matching our type infos 
-/// (OurExceptionType_t instances). Returns whether or not a dwarf emitted 
-/// action matches the supplied exception type. If such a match succeeds, 
-/// the resultAction argument will be set with > 0 index value. Only 
-/// corresponding llvm.eh.selector type info arguments, cleanup arguments 
+/// Deals with Dwarf actions matching our type infos
+/// (OurExceptionType_t instances). Returns whether or not a dwarf emitted
+/// action matches the supplied exception type. If such a match succeeds,
+/// the resultAction argument will be set with > 0 index value. Only
+/// corresponding llvm.eh.selector type info arguments, cleanup arguments
 /// are supported. Filters are not supported.
-/// See Variable Length Data in: 
+/// See Variable Length Data in:
 /// @link http://dwarfstd.org/Dwarf3.pdf @unlink
 /// Also see @link http://refspecs.freestandards.org/abi-eh-1.21.html @unlink
 /// @param resultAction reference variable which will be set with result
 /// @param classInfo our array of type info pointers (to globals)
-/// @param actionEntry index into above type info array or 0 (clean up). 
+/// @param actionEntry index into above type info array or 0 (clean up).
 ///        We do not support filters.
 /// @param exceptionClass exception class (_Unwind_Exception::exception_class)
 ///        of thrown exception.
@@ -523,22 +523,22 @@ static uintptr_t readEncodedPointer(const uint8_t **data, uint8_t encoding) {
 /// @returns whether or not a type info was found. False is returned if only
 ///          a cleanup was found
 static bool handleActionValue(int64_t *resultAction,
-                              struct OurExceptionType_t **classInfo, 
-                              uintptr_t actionEntry, 
-                              uint64_t exceptionClass, 
+                              struct OurExceptionType_t **classInfo,
+                              uintptr_t actionEntry,
+                              uint64_t exceptionClass,
                               struct _Unwind_Exception *exceptionObject) {
   bool ret = false;
-  
-  if (!resultAction || 
-      !exceptionObject || 
+
+  if (!resultAction ||
+      !exceptionObject ||
       (exceptionClass != ourBaseExceptionClass))
     return(ret);
-  
+
   struct OurBaseException_t *excp = (struct OurBaseException_t*)
   (((char*) exceptionObject) + ourBaseFromUnwindOffset);
   struct OurExceptionType_t *excpType = &(excp->type);
   int type = excpType->type;
-  
+
 #ifdef DEBUG
   fprintf(stderr,
           "handleActionValue(...): exceptionObject = <%p>, "
@@ -546,12 +546,12 @@ static bool handleActionValue(int64_t *resultAction,
           exceptionObject,
           excp);
 #endif
-  
+
   const uint8_t *actionPos = (uint8_t*) actionEntry,
   *tempActionPos;
   int64_t typeOffset = 0,
   actionOffset;
-  
+
   for (int i = 0; true; ++i) {
     // Each emitted dwarf action corresponds to a 2 tuple of
     // type info address offset, and action offset to the next
@@ -559,7 +559,7 @@ static bool handleActionValue(int64_t *resultAction,
     typeOffset = readSLEB128(&actionPos);
     tempActionPos = actionPos;
     actionOffset = readSLEB128(&tempActionPos);
-    
+
 #ifdef DEBUG
     fprintf(stderr,
             "handleActionValue(...):typeOffset: <%lld>, "
@@ -567,9 +567,9 @@ static bool handleActionValue(int64_t *resultAction,
             typeOffset,
             actionOffset);
 #endif
-    assert((typeOffset >= 0) && 
+    assert((typeOffset >= 0) &&
            "handleActionValue(...):filters are not supported.");
-    
+
     // Note: A typeOffset == 0 implies that a cleanup llvm.eh.selector
     //       argument has been matched.
     if ((typeOffset > 0) &&
@@ -583,17 +583,17 @@ static bool handleActionValue(int64_t *resultAction,
       ret = true;
       break;
     }
-    
+
 #ifdef DEBUG
     fprintf(stderr,
             "handleActionValue(...):actionValue not found.\n");
 #endif
     if (!actionOffset)
       break;
-    
+
     actionPos += actionOffset;
   }
-  
+
   return(ret);
 }
 
@@ -602,52 +602,52 @@ static bool handleActionValue(int64_t *resultAction,
 /// See @link http://refspecs.freestandards.org/abi-eh-1.21.html @unlink
 /// @param version unsupported (ignored), unwind version
 /// @param lsda language specific data area
-/// @param _Unwind_Action actions minimally supported unwind stage 
+/// @param _Unwind_Action actions minimally supported unwind stage
 ///        (forced specifically not supported)
 /// @param exceptionClass exception class (_Unwind_Exception::exception_class)
 ///        of thrown exception.
 /// @param exceptionObject thrown _Unwind_Exception instance.
 /// @param context unwind system context
-/// @returns minimally supported unwinding control indicator 
-static _Unwind_Reason_Code handleLsda(int version, 
+/// @returns minimally supported unwinding control indicator
+static _Unwind_Reason_Code handleLsda(int version,
                                       const uint8_t *lsda,
                                       _Unwind_Action actions,
-                                      uint64_t exceptionClass, 
+                                      uint64_t exceptionClass,
                                     struct _Unwind_Exception *exceptionObject,
                                       _Unwind_Context_t context) {
   _Unwind_Reason_Code ret = _URC_CONTINUE_UNWIND;
-  
+
   if (!lsda)
     return(ret);
-  
+
 #ifdef DEBUG
-  fprintf(stderr, 
+  fprintf(stderr,
           "handleLsda(...):lsda is non-zero.\n");
 #endif
-  
+
   // Get the current instruction pointer and offset it before next
   // instruction in the current frame which threw the exception.
   uintptr_t pc = _Unwind_GetIP(context)-1;
-  
-  // Get beginning current frame's code (as defined by the 
+
+  // Get beginning current frame's code (as defined by the
   // emitted dwarf code)
   uintptr_t funcStart = _Unwind_GetRegionStart(context);
   uintptr_t pcOffset = pc - funcStart;
   struct OurExceptionType_t **classInfo = NULL;
-  
+
   // Note: See JITDwarfEmitter::EmitExceptionTable(...) for corresponding
   //       dwarf emission
-  
+
   // Parse LSDA header.
   uint8_t lpStartEncoding = *lsda++;
-  
+
   if (lpStartEncoding != llvm::dwarf::DW_EH_PE_omit) {
-    readEncodedPointer(&lsda, lpStartEncoding); 
+    readEncodedPointer(&lsda, lpStartEncoding);
   }
-  
+
   uint8_t ttypeEncoding = *lsda++;
   uintptr_t classInfoOffset;
-  
+
   if (ttypeEncoding != llvm::dwarf::DW_EH_PE_omit) {
     // Calculate type info locations in emitted dwarf code which
     // were flagged by type info arguments to llvm.eh.selector
@@ -655,47 +655,47 @@ static _Unwind_Reason_Code handleLsda(int version,
     classInfoOffset = readULEB128(&lsda);
     classInfo = (struct OurExceptionType_t**) (lsda + classInfoOffset);
   }
-  
-  // Walk call-site table looking for range that 
-  // includes current PC. 
-  
+
+  // Walk call-site table looking for range that
+  // includes current PC.
+
   uint8_t         callSiteEncoding = *lsda++;
   uint32_t        callSiteTableLength = readULEB128(&lsda);
   const uint8_t   *callSiteTableStart = lsda;
-  const uint8_t   *callSiteTableEnd = callSiteTableStart + 
+  const uint8_t   *callSiteTableEnd = callSiteTableStart +
   callSiteTableLength;
   const uint8_t   *actionTableStart = callSiteTableEnd;
   const uint8_t   *callSitePtr = callSiteTableStart;
-  
+
   bool foreignException = false;
-  
+
   while (callSitePtr < callSiteTableEnd) {
-    uintptr_t start = readEncodedPointer(&callSitePtr, 
+    uintptr_t start = readEncodedPointer(&callSitePtr,
                                          callSiteEncoding);
-    uintptr_t length = readEncodedPointer(&callSitePtr, 
+    uintptr_t length = readEncodedPointer(&callSitePtr,
                                           callSiteEncoding);
-    uintptr_t landingPad = readEncodedPointer(&callSitePtr, 
+    uintptr_t landingPad = readEncodedPointer(&callSitePtr,
                                               callSiteEncoding);
-    
+
     // Note: Action value
     uintptr_t actionEntry = readULEB128(&callSitePtr);
-    
+
     if (exceptionClass != ourBaseExceptionClass) {
       // We have been notified of a foreign exception being thrown,
       // and we therefore need to execute cleanup landing pads
       actionEntry = 0;
       foreignException = true;
     }
-    
+
     if (landingPad == 0) {
 #ifdef DEBUG
       fprintf(stderr,
               "handleLsda(...): No landing pad found.\n");
 #endif
-      
+
       continue; // no landing pad for this entry
     }
-    
+
     if (actionEntry) {
       actionEntry += ((uintptr_t) actionTableStart) - 1;
     }
@@ -705,55 +705,55 @@ static _Unwind_Reason_Code handleLsda(int version,
               "handleLsda(...):No action table found.\n");
 #endif
     }
-    
+
     bool exceptionMatched = false;
-    
+
     if ((start <= pcOffset) && (pcOffset < (start + length))) {
 #ifdef DEBUG
       fprintf(stderr,
               "handleLsda(...): Landing pad found.\n");
 #endif
       int64_t actionValue = 0;
-      
+
       if (actionEntry) {
         exceptionMatched = handleActionValue(&actionValue,
-                                             classInfo, 
-                                             actionEntry, 
-                                             exceptionClass, 
+                                             classInfo,
+                                             actionEntry,
+                                             exceptionClass,
                                              exceptionObject);
       }
-      
+
       if (!(actions & _UA_SEARCH_PHASE)) {
 #ifdef DEBUG
         fprintf(stderr,
                 "handleLsda(...): installed landing pad "
                 "context.\n");
 #endif
-        
+
         // Found landing pad for the PC.
-        // Set Instruction Pointer to so we re-enter function 
-        // at landing pad. The landing pad is created by the 
+        // Set Instruction Pointer to so we re-enter function
+        // at landing pad. The landing pad is created by the
         // compiler to take two parameters in registers.
-        _Unwind_SetGR(context, 
-                      __builtin_eh_return_data_regno(0), 
+        _Unwind_SetGR(context,
+                      __builtin_eh_return_data_regno(0),
                       (uintptr_t)exceptionObject);
-        
+
         // Note: this virtual register directly corresponds
         //       to the return of the llvm.eh.selector intrinsic
         if (!actionEntry || !exceptionMatched) {
           // We indicate cleanup only
-          _Unwind_SetGR(context, 
-                        __builtin_eh_return_data_regno(1), 
+          _Unwind_SetGR(context,
+                        __builtin_eh_return_data_regno(1),
                         0);
         }
         else {
           // Matched type info index of llvm.eh.selector intrinsic
           // passed here.
-          _Unwind_SetGR(context, 
-                        __builtin_eh_return_data_regno(1), 
+          _Unwind_SetGR(context,
+                        __builtin_eh_return_data_regno(1),
                         actionValue);
         }
-        
+
         // To execute landing pad set here
         _Unwind_SetIP(context, funcStart + landingPad);
         ret = _URC_INSTALL_CONTEXT;
@@ -767,19 +767,19 @@ static _Unwind_Reason_Code handleLsda(int version,
       }
       else {
         // Note: Only non-clean up handlers are marked as
-        //       found. Otherwise the clean up handlers will be 
-        //       re-found and executed during the clean up 
+        //       found. Otherwise the clean up handlers will be
+        //       re-found and executed during the clean up
         //       phase.
 #ifdef DEBUG
         fprintf(stderr,
                 "handleLsda(...): cleanup handler found.\n");
 #endif
       }
-      
+
       break;
     }
   }
-  
+
   return(ret);
 }
 
@@ -788,23 +788,23 @@ static _Unwind_Reason_Code handleLsda(int version,
 /// dwarf unwind info block. Again see: JITDwarfEmitter.cpp.
 /// See @link http://refspecs.freestandards.org/abi-eh-1.21.html @unlink
 /// @param version unsupported (ignored), unwind version
-/// @param _Unwind_Action actions minimally supported unwind stage 
+/// @param _Unwind_Action actions minimally supported unwind stage
 ///        (forced specifically not supported)
 /// @param exceptionClass exception class (_Unwind_Exception::exception_class)
 ///        of thrown exception.
 /// @param exceptionObject thrown _Unwind_Exception instance.
 /// @param context unwind system context
-/// @returns minimally supported unwinding control indicator 
-_Unwind_Reason_Code ourPersonality(int version, 
+/// @returns minimally supported unwinding control indicator
+_Unwind_Reason_Code ourPersonality(int version,
                                    _Unwind_Action actions,
-                                   uint64_t exceptionClass, 
+                                   uint64_t exceptionClass,
                                    struct _Unwind_Exception *exceptionObject,
                                    _Unwind_Context_t context) {
 #ifdef DEBUG
-  fprintf(stderr, 
+  fprintf(stderr,
           "We are in ourPersonality(...):actions is <%d>.\n",
           actions);
-  
+
   if (actions & _UA_SEARCH_PHASE) {
     fprintf(stderr, "ourPersonality(...):In search phase.\n");
   }
@@ -812,15 +812,15 @@ _Unwind_Reason_Code ourPersonality(int version,
     fprintf(stderr, "ourPersonality(...):In non-search phase.\n");
   }
 #endif
-  
+
   const uint8_t *lsda = _Unwind_GetLanguageSpecificData(context);
-  
+
 #ifdef DEBUG
-  fprintf(stderr, 
+  fprintf(stderr,
           "ourPersonality(...):lsda = <%p>.\n",
           lsda);
 #endif
-  
+
   // The real work of the personality function is captured here
   return(handleLsda(version,
                     lsda,
@@ -841,12 +841,12 @@ _Unwind_Reason_Code ourPersonality(int version,
 uint64_t genClass(const unsigned char classChars[], size_t classCharsSize)
 {
   uint64_t ret = classChars[0];
-  
+
   for (unsigned i = 1; i < classCharsSize; ++i) {
     ret <<= 8;
     ret += classChars[i];
   }
-  
+
   return(ret);
 }
 
@@ -865,37 +865,37 @@ uint64_t genClass(const unsigned char classChars[], size_t classCharsSize)
 /// @param module code for module instance
 /// @param builder builder instance
 /// @param toPrint string to print
-/// @param useGlobal A value of true (default) indicates a GlobalValue is 
-///        generated, and is used to hold the constant string. A value of 
-///        false indicates that the constant string will be stored on the 
+/// @param useGlobal A value of true (default) indicates a GlobalValue is
+///        generated, and is used to hold the constant string. A value of
+///        false indicates that the constant string will be stored on the
 ///        stack.
-void generateStringPrint(llvm::LLVMContext &context, 
+void generateStringPrint(llvm::LLVMContext &context,
                          llvm::Module &module,
-                         llvm::IRBuilder<> &builder, 
+                         llvm::IRBuilder<> &builder,
                          std::string toPrint,
                          bool useGlobal = true) {
   llvm::Function *printFunct = module.getFunction("printStr");
-  
+
   llvm::Value *stringVar;
-  llvm::Constant *stringConstant = 
+  llvm::Constant *stringConstant =
   llvm::ConstantDataArray::getString(context, toPrint);
-  
+
   if (useGlobal) {
     // Note: Does not work without allocation
-    stringVar = 
-    new llvm::GlobalVariable(module, 
+    stringVar =
+    new llvm::GlobalVariable(module,
                              stringConstant->getType(),
-                             true, 
-                             llvm::GlobalValue::LinkerPrivateLinkage, 
-                             stringConstant, 
+                             true,
+                             llvm::GlobalValue::LinkerPrivateLinkage,
+                             stringConstant,
                              "");
   }
   else {
     stringVar = builder.CreateAlloca(stringConstant->getType());
     builder.CreateStore(stringConstant, stringVar);
   }
-  
-  llvm::Value *cast = builder.CreatePointerCast(stringVar, 
+
+  llvm::Value *cast = builder.CreatePointerCast(stringVar,
                                                 builder.getInt8PtrTy());
   builder.CreateCall(printFunct, cast);
 }
@@ -909,49 +909,49 @@ void generateStringPrint(llvm::LLVMContext &context,
 /// @param printFunct function used to "print" integer
 /// @param toPrint string to print
 /// @param format printf like formating string for print
-/// @param useGlobal A value of true (default) indicates a GlobalValue is 
-///        generated, and is used to hold the constant string. A value of 
-///        false indicates that the constant string will be stored on the 
+/// @param useGlobal A value of true (default) indicates a GlobalValue is
+///        generated, and is used to hold the constant string. A value of
+///        false indicates that the constant string will be stored on the
 ///        stack.
-void generateIntegerPrint(llvm::LLVMContext &context, 
+void generateIntegerPrint(llvm::LLVMContext &context,
                           llvm::Module &module,
-                          llvm::IRBuilder<> &builder, 
+                          llvm::IRBuilder<> &builder,
                           llvm::Function &printFunct,
                           llvm::Value &toPrint,
-                          std::string format, 
+                          std::string format,
                           bool useGlobal = true) {
   llvm::Constant *stringConstant =
     llvm::ConstantDataArray::getString(context, format);
   llvm::Value *stringVar;
-  
+
   if (useGlobal) {
     // Note: Does not seem to work without allocation
-    stringVar = 
-    new llvm::GlobalVariable(module, 
+    stringVar =
+    new llvm::GlobalVariable(module,
                              stringConstant->getType(),
-                             true, 
-                             llvm::GlobalValue::LinkerPrivateLinkage, 
-                             stringConstant, 
+                             true,
+                             llvm::GlobalValue::LinkerPrivateLinkage,
+                             stringConstant,
                              "");
   }
   else {
     stringVar = builder.CreateAlloca(stringConstant->getType());
     builder.CreateStore(stringConstant, stringVar);
   }
-  
-  llvm::Value *cast = builder.CreateBitCast(stringVar, 
+
+  llvm::Value *cast = builder.CreateBitCast(stringVar,
                                             builder.getInt8PtrTy());
   builder.CreateCall2(&printFunct, &toPrint, cast);
 }
 
 
-/// Generates code to handle finally block type semantics: always runs 
-/// regardless of whether a thrown exception is passing through or the 
-/// parent function is simply exiting. In addition to printing some state 
-/// to stderr, this code will resume the exception handling--runs the 
-/// unwind resume block, if the exception has not been previously caught 
-/// by a catch clause, and will otherwise execute the end block (terminator 
-/// block). In addition this function creates the corresponding function's 
+/// Generates code to handle finally block type semantics: always runs
+/// regardless of whether a thrown exception is passing through or the
+/// parent function is simply exiting. In addition to printing some state
+/// to stderr, this code will resume the exception handling--runs the
+/// unwind resume block, if the exception has not been previously caught
+/// by a catch clause, and will otherwise execute the end block (terminator
+/// block). In addition this function creates the corresponding function's
 /// stack storage for the exception pointer and catch flag status.
 /// @param context llvm context
 /// @param module code for module instance
@@ -965,9 +965,9 @@ void generateIntegerPrint(llvm::LLVMContext &context,
 /// @param exceptionStorage reference to exception pointer storage
 /// @param caughtResultStorage reference to landingpad result storage
 /// @returns newly created block
-static llvm::BasicBlock *createFinallyBlock(llvm::LLVMContext &context, 
-                                            llvm::Module &module, 
-                                            llvm::IRBuilder<> &builder, 
+static llvm::BasicBlock *createFinallyBlock(llvm::LLVMContext &context,
+                                            llvm::Module &module,
+                                            llvm::IRBuilder<> &builder,
                                             llvm::Function &toAddTo,
                                             std::string &blockName,
                                             std::string &functionId,
@@ -976,21 +976,21 @@ static llvm::BasicBlock *createFinallyBlock(llvm::LLVMContext &context,
                                             llvm::Value **exceptionCaughtFlag,
                                             llvm::Value **exceptionStorage,
                                             llvm::Value **caughtResultStorage) {
-  assert(exceptionCaughtFlag && 
+  assert(exceptionCaughtFlag &&
          "ExceptionDemo::createFinallyBlock(...):exceptionCaughtFlag "
          "is NULL");
-  assert(exceptionStorage && 
+  assert(exceptionStorage &&
          "ExceptionDemo::createFinallyBlock(...):exceptionStorage "
          "is NULL");
-  assert(caughtResultStorage && 
+  assert(caughtResultStorage &&
          "ExceptionDemo::createFinallyBlock(...):caughtResultStorage "
          "is NULL");
-  
+
   *exceptionCaughtFlag = createEntryBlockAlloca(toAddTo,
                                          "exceptionCaught",