fix typo in comment and remove inaccurate comment; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@320838 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Transforms/Utils/Local.h b/include/llvm/Transforms/Utils/Local.h
index 7dd21df..01db88b 100644 (file)
--- a/include/llvm/Transforms/Utils/Local.h
+++ b/include/llvm/Transforms/Utils/Local.h
@@ -455,7 +455,7 @@ void copyRangeMetadata(const DataLayout &DL, const LoadInst &OldLI, MDNode *N,
 //  Intrinsic pattern matching
 //
 
-/// Try and match a bswap or bitreverse idiom.
+/// Try to match a bswap or bitreverse idiom.
 ///
 /// If an idiom is matched, an intrinsic call is inserted before \c I. Any added
 /// instructions are returned in \c InsertedInsts. They will all have been added

diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index 3ee2d04..a1961ee 100644 (file)
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -2143,8 +2143,6 @@ static bool bitTransformIsCorrectForBitReverse(unsigned From, unsigned To,
   return From == BitWidth - To - 1;
 }
 
-/// Given an OR instruction, check to see if this is a bitreverse
-/// idiom. If so, insert the new intrinsic and return true.
 bool llvm::recognizeBSwapOrBitReverseIdiom(
     Instruction *I, bool MatchBSwaps, bool MatchBitReversals,
     SmallVectorImpl<Instruction *> &InsertedInsts) {