Spell `necessary' correctly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@7944 91177308-0d34-0410-b5e6-96231b3b80d8

3 files changed, 3 insertions, 3 deletions

diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index 27623fbacb..a22cdce641 100644
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -208,7 +208,7 @@ bool ADCE::doADCE() {
   std::set<BasicBlock*> AliveBlocks;
 
   // Process the work list of instructions that just became live... if they
-  // became live, then that means that all of their operands are neccesary as
+  // became live, then that means that all of their operands are necessary as
   // well... make them live as well.
   //
   while (!WorkList.empty()) {
diff --git a/lib/Transforms/Scalar/Reassociate.cpp b/lib/Transforms/Scalar/Reassociate.cpp
index 716785b691..94446d09b8 100644
--- a/lib/Transforms/Scalar/Reassociate.cpp
+++ b/lib/Transforms/Scalar/Reassociate.cpp
@@ -177,7 +177,7 @@ static Value *NegateValue(Value *V, BasicBlock::iterator &BI) {
   //   X = -(A+12+C+D)   into    X = -A + -12 + -C + -D = -12 + -A + -C + -D
   // so that later, a: Y = 12+X could get reassociated with the -12 to eliminate
   // the constants.  We assume that instcombine will clean up the mess later if
-  // we introduce tons of unneccesary negation instructions...
+  // we introduce tons of unnecessary negation instructions...
   //
   if (Instruction *I = dyn_cast<Instruction>(V))
     if (I->getOpcode() == Instruction::Add && I->use_size() == 1) {
diff --git a/lib/Transforms/Scalar/SCCP.cpp b/lib/Transforms/Scalar/SCCP.cpp
index c0ff2fae74..06227d80e5 100644
--- a/lib/Transforms/Scalar/SCCP.cpp
+++ b/lib/Transforms/Scalar/SCCP.cpp
@@ -132,7 +132,7 @@ private:
   }
 
   // getValueState - Return the InstVal object that corresponds to the value.
-  // This function is neccesary because not all values should start out in the
+  // This function is necessary because not all values should start out in the
   // underdefined state... Argument's should be overdefined, and
   // constants should be marked as constants.  If a value is not known to be an
   // Instruction object, then use this accessor to get its value from the map.