remove useless cast and fix typos in comment
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@107989 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/ScalarEvolutionExpander.cpp b/lib/Analysis/ScalarEvolutionExpander.cpp
index 4a7b5f7..d4a4b26 100644
--- a/lib/Analysis/ScalarEvolutionExpander.cpp
+++ b/lib/Analysis/ScalarEvolutionExpander.cpp
@@ -21,10 +21,10 @@
#include "llvm/ADT/STLExtras.h"
using namespace llvm;
-/// ReuseOrCreateCast - Arange for there to be a cast of V to Ty at IP,
+/// ReuseOrCreateCast - Arrange for there to be a cast of V to Ty at IP,
/// reusing an existing cast if a suitable one exists, moving an existing
/// cast if a suitable one exists but isn't in the right place, or
-/// or creating a new one.
+/// creating a new one.
Value *SCEVExpander::ReuseOrCreateCast(Value *V, const Type *Ty,
Instruction::CastOps Op,
BasicBlock::iterator IP) {
@@ -33,7 +33,7 @@
UI != E; ++UI) {
User *U = *UI;
if (U->getType() == Ty)
- if (CastInst *CI = dyn_cast<CastInst>(cast<Instruction>(U)))
+ if (CastInst *CI = dyn_cast<CastInst>(U))
if (CI->getOpcode() == Op) {
// If the cast isn't where we want it, fix it.
if (BasicBlock::iterator(CI) != IP) {