BlockGenerator: Drop unneeded const_casts

llvm-svn: 255505

1 files changed, 3 insertions, 3 deletions

diff --git a/polly/lib/CodeGen/BlockGenerators.cpp b/polly/lib/CodeGen/BlockGenerators.cpp
index 43fec9a9e39..6f26d51dcaa 100644
--- a/polly/lib/CodeGen/BlockGenerators.cpp
+++ b/polly/lib/CodeGen/BlockGenerators.cpp
@@ -94,7 +94,7 @@ Value *BlockGenerator::getNewValue(ScopStmt &Stmt, Value *Old, ValueMapT &BBMap,
   // We assume constants never change.
   // This avoids map lookups for many calls to this function.
   if (isa<Constant>(Old))
-    return const_cast<Value *>(Old);
+    return Old;
 
   if (Value *New = GlobalMap.lookup(Old)) {
     if (Value *NewRemapped = GlobalMap.lookup(New))
@@ -114,12 +114,12 @@ Value *BlockGenerator::getNewValue(ScopStmt &Stmt, Value *Old, ValueMapT &BBMap,
 
   // A scop-constant value defined by a global or a function parameter.
   if (isa<GlobalValue>(Old) || isa<Argument>(Old))
-    return const_cast<Value *>(Old);
+    return Old;
 
   // A scop-constant value defined by an instruction executed outside the scop.
   if (const Instruction *Inst = dyn_cast<Instruction>(Old))
     if (!Stmt.getParent()->getRegion().contains(Inst->getParent()))
-      return const_cast<Value *>(Old);
+      return Old;
 
   // The scalar dependence is neither available nor SCEVCodegenable.
   llvm_unreachable("Unexpected scalar dependence in region!");