Spell `necessary' correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/CBackend/CBackend.cpp b/lib/Target/CBackend/CBackend.cpp
index 6a80019..0443c18 100644
--- a/lib/Target/CBackend/CBackend.cpp
+++ b/lib/Target/CBackend/CBackend.cpp
@@ -924,7 +924,7 @@
 }
 
 // Specific Instruction type classes... note that all of the casts are
-// neccesary because we use the instruction classes as opaque types...
+// necessary because we use the instruction classes as opaque types...
 //
 void CWriter::visitReturnInst(ReturnInst &I) {
   // Don't output a void return if this is the last basic block in the function
@@ -1024,7 +1024,7 @@
         printBranchToBlock(I.getParent(), I.getSuccessor(1), 2);
       }
     } else {
-      // First goto not neccesary, assume second one is...
+      // First goto not necessary, assume second one is...
       Out << "  if (!";
       writeOperand(I.getCondition());
       Out << ") {\n";
diff --git a/lib/Target/CBackend/Writer.cpp b/lib/Target/CBackend/Writer.cpp
index 6a80019..0443c18 100644
--- a/lib/Target/CBackend/Writer.cpp
+++ b/lib/Target/CBackend/Writer.cpp
@@ -924,7 +924,7 @@
 }
 
 // Specific Instruction type classes... note that all of the casts are
-// neccesary because we use the instruction classes as opaque types...
+// necessary because we use the instruction classes as opaque types...
 //
 void CWriter::visitReturnInst(ReturnInst &I) {
   // Don't output a void return if this is the last basic block in the function
@@ -1024,7 +1024,7 @@
         printBranchToBlock(I.getParent(), I.getSuccessor(1), 2);
       }
     } else {
-      // First goto not neccesary, assume second one is...
+      // First goto not necessary, assume second one is...
       Out << "  if (!";
       writeOperand(I.getCondition());
       Out << ") {\n";
diff --git a/lib/Target/SparcV9/SparcV9AsmPrinter.cpp b/lib/Target/SparcV9/SparcV9AsmPrinter.cpp
index 13b3c38..3a98931 100644
--- a/lib/Target/SparcV9/SparcV9AsmPrinter.cpp
+++ b/lib/Target/SparcV9/SparcV9AsmPrinter.cpp
@@ -1,6 +1,6 @@
 //===-- EmitAssembly.cpp - Emit Sparc Specific .s File ---------------------==//
 //
-// This file implements all of the stuff neccesary to output a .s file from
+// This file implements all of the stuff necessary to output a .s file from
 // LLVM.  The code in this file assumes that the specified module has already
 // been compiled into the internal data structures of the Module.
 //
@@ -90,10 +90,10 @@
   }
   
   // enterSection - Use this method to enter a different section of the output
-  // executable.  This is used to only output neccesary section transitions.
+  // executable.  This is used to only output necessary section transitions.
   //
   void enterSection(enum Sections S) {
-    if (S == CurSection) return;        // Only switch section if neccesary
+    if (S == CurSection) return;        // Only switch section if necessary
     CurSection = S;
 
     toAsm << "\n\t.section ";
diff --git a/lib/Target/TargetData.cpp b/lib/Target/TargetData.cpp
index e86e51f..4a1ba70 100644
--- a/lib/Target/TargetData.cpp
+++ b/lib/Target/TargetData.cpp
@@ -15,7 +15,7 @@
 #include "llvm/DerivedTypes.h"
 #include "llvm/Constants.h"
 
-// Handle the Pass registration stuff neccesary to use TargetData's.
+// Handle the Pass registration stuff necessary to use TargetData's.
 namespace {
   // Register the default SparcV9 implementation...
   RegisterPass<TargetData> X("targetdata", "Target Data Layout");
@@ -45,7 +45,7 @@
     getTypeInfo(Ty, &TD, TySize, A);
     TyAlign = A;
 
-    // Add padding if neccesary to make the data element aligned properly...
+    // Add padding if necessary to make the data element aligned properly...
     if (StructSize % TyAlign != 0)
       StructSize = (StructSize/TyAlign + 1) * TyAlign;   // Add padding...
 
diff --git a/lib/Target/X86/FloatingPoint.cpp b/lib/Target/X86/FloatingPoint.cpp
index d620599..f8f483f 100644
--- a/lib/Target/X86/FloatingPoint.cpp
+++ b/lib/Target/X86/FloatingPoint.cpp
@@ -185,7 +185,7 @@
       if (Reg >= X86::FP0 && Reg <= X86::FP6) {
 	DEBUG(std::cerr << "Register FP#" << Reg-X86::FP0 << " is dead!\n");
 	++I;                         // Insert fxch AFTER the instruction
-	moveToTop(Reg-X86::FP0, I);  // Insert fxch if neccesary
+	moveToTop(Reg-X86::FP0, I);  // Insert fxch if necessary
 	--I;                         // Move to fxch or old instruction
 	popStackAfter(I);            // Pop the top of the stack, killing value
       }
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 5f19edb..9b9d06c 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -449,7 +449,7 @@
   unsigned Opcode = MI.getOpcode();
   const TargetInstrDescriptor &Desc = II->get(Opcode);
 
-  // Emit instruction prefixes if neccesary
+  // Emit instruction prefixes if necessary
   if (Desc.TSFlags & X86II::OpSize) MCE.emitByte(0x66);// Operand size...
 
   switch (Desc.TSFlags & X86II::Op0Mask) {
diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index d620599..f8f483f 100644
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -185,7 +185,7 @@
       if (Reg >= X86::FP0 && Reg <= X86::FP6) {
 	DEBUG(std::cerr << "Register FP#" << Reg-X86::FP0 << " is dead!\n");
 	++I;                         // Insert fxch AFTER the instruction
-	moveToTop(Reg-X86::FP0, I);  // Insert fxch if neccesary
+	moveToTop(Reg-X86::FP0, I);  // Insert fxch if necessary
 	--I;                         // Move to fxch or old instruction
 	popStackAfter(I);            // Pop the top of the stack, killing value
       }
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp
index add8e45..7d33c3f 100644
--- a/lib/Target/X86/X86RegisterInfo.cpp
+++ b/lib/Target/X86/X86RegisterInfo.cpp
@@ -82,7 +82,7 @@
 }
 
 // hasSPAdjust - Return true if this function has ESP adjustment instructions in
-// the prolog and epilog which allocate local stack space.  This is neccesary
+// the prolog and epilog which allocate local stack space.  This is necessary
 // because we elide these instructions if there are no function calls in the
 // current function (ie, this is a leaf function).  In this case, we can refer
 // beyond the stack pointer because we know that nothing will trample on that