Fix spelling.

llvm-svn: 9027

8 files changed, 17 insertions, 17 deletions

diff --git a/llvm/lib/Transforms/Scalar/ADCE.cpp b/llvm/lib/Transforms/Scalar/ADCE.cpp
index 8d716054060..3e11241f19f 100644
--- a/llvm/lib/Transforms/Scalar/ADCE.cpp
+++ b/llvm/lib/Transforms/Scalar/ADCE.cpp
@@ -259,7 +259,7 @@ bool ADCE::doADCE() {
       // Loop over all of the instructions in the function, telling dead
       // instructions to drop their references.  This is so that the next sweep
       // over the program can safely delete dead instructions without other dead
-      // instructions still refering to them.
+      // instructions still referring to them.
       //
       dropReferencesOfDeadInstructionsInLiveBlock(I);
 
@@ -328,9 +328,9 @@ bool ADCE::doADCE() {
             if (LastNode == 0) {        // No postdominator!
               // Call RemoveSuccessor to transmogrify the terminator instruction
               // to not contain the outgoing branch, or to create a new
-              // terminator if the form fundementally changes (ie unconditional
-              // branch to return).  Note that this will change a branch into an
-              // infinite loop into a return instruction!
+              // terminator if the form fundamentally changes (i.e.,
+              // unconditional branch to return).  Note that this will change a
+              // branch into an infinite loop into a return instruction!
               //
               RemoveSuccessor(TI, i);
 
@@ -378,7 +378,7 @@ bool ADCE::doADCE() {
         // Now loop over all of the instructions in the basic block, telling
         // dead instructions to drop their references.  This is so that the next
         // sweep over the program can safely delete dead instructions without
-        // other dead instructions still refering to them.
+        // other dead instructions still referring to them.
         //
         dropReferencesOfDeadInstructionsInLiveBlock(BB);
       }
diff --git a/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp b/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp
index 6003c81278d..59b8b0f28c8 100644
--- a/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp
+++ b/llvm/lib/Transforms/Scalar/CorrelatedExprs.cpp
@@ -121,7 +121,7 @@ namespace {
     void setReplacement(Value *Repl) { Replacement = Repl; }
 
     // getRelation - return the relationship entry for the specified value.
-    // This can invalidate references to other Relation's, so use it carefully.
+    // This can invalidate references to other Relations, so use it carefully.
     //
     Relation &getRelation(Value *V) {
       // Binary search for V's entry...
@@ -896,7 +896,7 @@ void CEE::PropagateRelation(Instruction::BinaryOps Opcode, Value *Op0,
     return;
   }
 
-  // If the information propogted is new, then we want process the uses of this
+  // If the information propagated is new, then we want process the uses of this
   // instruction to propagate the information down to them.
   //
   if (Op1R.incorporate(Opcode, VI))
diff --git a/llvm/lib/Transforms/Scalar/GCSE.cpp b/llvm/lib/Transforms/Scalar/GCSE.cpp
index 6883818dbc0..9e1c44080ad 100644
--- a/llvm/lib/Transforms/Scalar/GCSE.cpp
+++ b/llvm/lib/Transforms/Scalar/GCSE.cpp
@@ -193,7 +193,7 @@ Instruction *GCSE::EliminateCSE(Instruction *I, Instruction *Other) {
   Instruction *Ret = 0;
 
   if (BB1 == BB2) {
-    // Eliminate the second occuring instruction.  Add all uses of the second
+    // Eliminate the second occurring instruction.  Add all uses of the second
     // instruction to the worklist.
     //
     // Scan the basic block looking for the "first" instruction
@@ -242,7 +242,7 @@ Instruction *GCSE::EliminateCSE(Instruction *I, Instruction *Other) {
     //    ... X+Y ...
     //  }
     // 
-    // In thiscase, the expression would be hoisted to outside the 'if' stmt,
+    // In this case, the expression would be hoisted to outside the 'if' stmt,
     // causing the expression to be evaluated, even for the if (d) path, which
     // could cause problems, if, for example, it caused a divide by zero.  In
     // general the problem this case is trying to solve is better addressed with
diff --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
index 33c8c700e60..51be904931e 100644
--- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -50,7 +50,7 @@ static bool TransformLoop(LoopInfo *Loops, Loop *Loop) {
   BasicBlock::iterator AfterPHIIt = Header->begin();
   for (; PHINode *PN = dyn_cast<PHINode>(AfterPHIIt); ++AfterPHIIt)
     IndVars.push_back(InductionVariable(PN, Loops));
-  // AfterPHIIt now points to first nonphi instruction...
+  // AfterPHIIt now points to first non-phi instruction...
 
   // If there are no phi nodes in this basic block, there can't be indvars...
   if (IndVars.empty()) return Changed;
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp
index eb7a64d765e..a794761a4ef 100644
--- a/llvm/lib/Transforms/Scalar/LICM.cpp
+++ b/llvm/lib/Transforms/Scalar/LICM.cpp
@@ -77,7 +77,7 @@ namespace {
     /// HoistRegion - Walk the specified region of the CFG (defined by all
     /// blocks dominated by the specified block, and that are in the current
     /// loop) in depth first order w.r.t the DominatorTree.  This allows us to
-    /// visit defintions before uses, allowing us to hoist a loop body in one
+    /// visit definitions before uses, allowing us to hoist a loop body in one
     /// pass without iteration.
     ///
     void HoistRegion(DominatorTree::Node *N);
@@ -240,7 +240,7 @@ void LICM::visitLoop(Loop *L, AliasSetTracker &AST) {
 
 /// HoistRegion - Walk the specified region of the CFG (defined by all blocks
 /// dominated by the specified block, and that are in the current loop) in depth
-/// first order w.r.t the DominatorTree.  This allows us to visit defintions
+/// first order w.r.t the DominatorTree.  This allows us to visit definitions
 /// before uses, allowing us to hoist a loop body in one pass without iteration.
 ///
 void LICM::HoistRegion(DominatorTree::Node *N) {
diff --git a/llvm/lib/Transforms/Scalar/LoopSimplify.cpp b/llvm/lib/Transforms/Scalar/LoopSimplify.cpp
index 56b63f35cc3..3c77b01a86a 100644
--- a/llvm/lib/Transforms/Scalar/LoopSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopSimplify.cpp
@@ -13,7 +13,7 @@
 // as store-sinking that are built into LICM.
 //
 // Note that the simplifycfg pass will clean up blocks which are split out but
-// end up being unnecessary, so usage of this pass does not neccesarily
+// end up being unnecessary, so usage of this pass does not necessarily
 // pessimize generated code.
 //
 //===----------------------------------------------------------------------===//
@@ -203,7 +203,7 @@ void Preheaders::InsertPreheaderForLoop(Loop *L) {
     SplitBlockPredecessors(Header, ".preheader", OutsideBlocks);
   
   //===--------------------------------------------------------------------===//
-  //  Update analysis results now that we have preformed the transformation
+  //  Update analysis results now that we have performed the transformation
   //
   
   // We know that we have loop information to update... update it now.
diff --git a/llvm/lib/Transforms/Scalar/PiNodeInsertion.cpp b/llvm/lib/Transforms/Scalar/PiNodeInsertion.cpp
index 21eaf23bd71..d555df788a1 100644
--- a/llvm/lib/Transforms/Scalar/PiNodeInsertion.cpp
+++ b/llvm/lib/Transforms/Scalar/PiNodeInsertion.cpp
@@ -1,7 +1,7 @@
 //===- PiNodeInsertion.cpp - Insert Pi nodes into a program ---------------===//
 //
 // PiNodeInsertion - This pass inserts single entry Phi nodes into basic blocks
-// that are preceeded by a conditional branch, where the branch gives
+// that are preceded by a conditional branch, where the branch gives
 // information about the operands of the condition.  For example, this C code:
 //   if (x == 0) { ... = x + 4;
 // becomes:
@@ -15,7 +15,7 @@
 // saying that X has a value of 0 in this scope.  The power of this analysis
 // information is that "in the scope" translates to "for all uses of x2".
 //
-// This special form of Phi node is refered to as a Pi node, following the
+// This special form of Phi node is referred to as a Pi node, following the
 // terminology defined in the "Array Bounds Checks on Demand" paper.
 //
 // As a really trivial example of what the Pi nodes are good for, this pass
diff --git a/llvm/lib/Transforms/Scalar/SCCP.cpp b/llvm/lib/Transforms/Scalar/SCCP.cpp
index 3effa66eefe..9134bf81b1d 100644
--- a/llvm/lib/Transforms/Scalar/SCCP.cpp
+++ b/llvm/lib/Transforms/Scalar/SCCP.cpp
@@ -499,7 +499,7 @@ void SCCP::visitPHINode(PHINode &PN) {
   // this is the case, the PHI remains undefined.
   //
   if (OperandVal)
-    markConstant(PNIV, &PN, OperandVal);      // Aquire operand value
+    markConstant(PNIV, &PN, OperandVal);      // Acquire operand value
 }
 
 void SCCP::visitTerminatorInst(TerminatorInst &TI) {