Fix typos in ADCE comments

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297726 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index 571e70c746ec6a8072bcbae71127eca4d0deb4ce..c64aacbb8db2045358b410402c776fe8725c5d9a 100644 (file)
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -41,8 +41,8 @@ using namespace llvm;
 STATISTIC(NumRemoved, "Number of instructions removed");
 STATISTIC(NumBranchesRemoved, "Number of branch instructions removed");
 
-// This is a tempoary option until we change the interface
-// to this pass based on optimization level.
+// This is a temporary option until we change the interface to this pass based
+// on optimization level.
 static cl::opt<bool> RemoveControlFlowFlag("adce-remove-control-flow",
                                            cl::init(true), cl::Hidden);
 
@@ -110,7 +110,7 @@ class AggressiveDeadCodeElimination {
 
   /// The set of blocks which we have determined whose control
   /// dependence sources must be live and which have not had
-  /// those dependences analyized.
+  /// those dependences analyzed.
   SmallPtrSet<BasicBlock *, 16> NewLiveBlocks;
 
   /// Set up auxiliary data structures for Instructions and BasicBlocks and
@@ -145,7 +145,7 @@ class AggressiveDeadCodeElimination {
   /// was removed.
   bool removeDeadInstructions();
 
-  /// Identify connected sections of the control flow grap which have
+  /// Identify connected sections of the control flow graph which have
   /// dead terminators and rewrite the control flow graph to remove them.
   void updateDeadRegions();
 
@@ -579,7 +579,7 @@ void AggressiveDeadCodeElimination::updateDeadRegions() {
         PreferredSucc = Info;
     }
     assert((PreferredSucc && PreferredSucc->PostOrder > 0) &&
-           "Failed to find safe successor for dead branc");
+           "Failed to find safe successor for dead branch");
     bool First = true;
     for (auto *Succ : successors(BB)) {
       if (!First || Succ != PreferredSucc->BB)
@@ -595,12 +595,12 @@ void AggressiveDeadCodeElimination::updateDeadRegions() {
 // reverse top-sort order
 void AggressiveDeadCodeElimination::computeReversePostOrder() {
 
-  // This provides a post-order numbering of the reverse conrtol flow graph
+  // This provides a post-order numbering of the reverse control flow graph
   // Note that it is incomplete in the presence of infinite loops but we don't
   // need numbers blocks which don't reach the end of the functions since
   // all branches in those blocks are forced live.
 
-  // For each block without successors, extend the DFS from the bloack
+  // For each block without successors, extend the DFS from the block
   // backward through the graph
   SmallPtrSet<BasicBlock*, 16> Visited;
   unsigned PostOrder = 0;