fix comment typos; NFC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@291447 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/include/llvm/Analysis/TargetLibraryInfo.h b/include/llvm/Analysis/TargetLibraryInfo.h
index 196fbc7..8675882 100644 (file)
--- a/include/llvm/Analysis/TargetLibraryInfo.h
+++ b/include/llvm/Analysis/TargetLibraryInfo.h
@@ -290,7 +290,7 @@ public:
   }
 
   /// Returns extension attribute kind to be used for i32 parameters
-  /// correpsonding to C-level int or unsigned int.  May be zeroext, signext,
+  /// corresponding to C-level int or unsigned int.  May be zeroext, signext,
   /// or none.
   Attribute::AttrKind getExtAttrForI32Param(bool Signed = true) const {
     if (Impl->ShouldExtI32Param)
@@ -301,7 +301,7 @@ public:
   }
 
   /// Returns extension attribute kind to be used for i32 return values
-  /// correpsonding to C-level int or unsigned int.  May be zeroext, signext,
+  /// corresponding to C-level int or unsigned int.  May be zeroext, signext,
   /// or none.
   Attribute::AttrKind getExtAttrForI32Return(bool Signed = true) const {
     if (Impl->ShouldExtI32Return)

diff --git a/lib/Transforms/InstCombine/InstCombineCompares.cpp b/lib/Transforms/InstCombine/InstCombineCompares.cpp
index 012bfc7..013159c 100644 (file)
--- a/lib/Transforms/InstCombine/InstCombineCompares.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCompares.cpp
@@ -1903,7 +1903,7 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
     return foldICmpShlOne(Cmp, Shl, C);
 
   // Check that the shift amount is in range. If not, don't perform undefined
-  // shifts. When the shift is visited it will be simplified.
+  // shifts. When the shift is visited, it will be simplified.
   unsigned TypeBits = C->getBitWidth();
   if (ShiftAmt->uge(TypeBits))
     return nullptr;
@@ -1923,7 +1923,7 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
       return new ICmpInst(Pred, X, LShrC);
 
     if (Shl->hasOneUse()) {
-      // Otherwise strength reduce the shift into an and.
+      // Otherwise, strength reduce the shift into an and.
       Constant *Mask = ConstantInt::get(Shl->getType(),
           APInt::getLowBitsSet(TypeBits, TypeBits - ShiftAmt->getZExtValue()));
 
@@ -1951,7 +1951,7 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
   }
 
   // When the shift is nuw and pred is >u or <=u, comparison only really happens
-  // in the pre-shifted bits. Since InstSimplify canoncalizes <=u into <u, the
+  // in the pre-shifted bits. Since InstSimplify canonicalizes <=u into <u, the
   // <=u case can be further converted to match <u (see below).
   if (Shl->hasNoUnsignedWrap() &&
       (Pred == ICmpInst::ICMP_UGT || Pred == ICmpInst::ICMP_ULT)) {
@@ -1970,9 +1970,9 @@ Instruction *InstCombiner::foldICmpShlConstant(ICmpInst &Cmp,
   // Transform (icmp pred iM (shl iM %v, N), C)
   // -> (icmp pred i(M-N) (trunc %v iM to i(M-N)), (trunc (C>>N))
   // Transform the shl to a trunc if (trunc (C>>N)) has no loss and M-N.
-  // This enables us to get rid of the shift in favor of a trunc which can be
+  // This enables us to get rid of the shift in favor of a trunc that may be
   // free on the target. It has the additional benefit of comparing to a
-  // smaller constant, which will be target friendly.
+  // smaller constant that may be more target-friendly.
   unsigned Amt = ShiftAmt->getLimitedValue(TypeBits - 1);
   if (Shl->hasOneUse() && Amt != 0 && C->countTrailingZeros() >= Amt &&
       DL.isLegalInteger(TypeBits - Amt)) {