Use the inbounds variant of getelementptr for common pointer arithmetic.

llvm-svn: 78756

2 files changed, 6 insertions, 6 deletions

diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 3e9a2739c4c..a97f9ad0630 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/clang/lib/CodeGen/CGExpr.cpp
@@ -889,7 +889,7 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E) {
     Idx = Builder.CreateUDiv(Idx,
                              llvm::ConstantInt::get(Idx->getType(), 
                                                     BaseTypeSize));
-    Address = Builder.CreateGEP(Base, Idx, "arrayidx");
+    Address = Builder.CreateInBoundsGEP(Base, Idx, "arrayidx");
   } else if (const ObjCInterfaceType *OIT = 
              dyn_cast<ObjCInterfaceType>(E->getType())) {
     llvm::Value *InterfaceSize = 
@@ -899,11 +899,11 @@ LValue CodeGenFunction::EmitArraySubscriptExpr(const ArraySubscriptExpr *E) {
     Idx = Builder.CreateMul(Idx, InterfaceSize);
 
     llvm::Type *i8PTy = llvm::PointerType::getUnqual(llvm::Type::Int8Ty);
-    Address = Builder.CreateGEP(Builder.CreateBitCast(Base, i8PTy), 
+    Address = Builder.CreateGEP(Builder.CreateBitCast(Base, i8PTy),
                                 Idx, "arrayidx");
     Address = Builder.CreateBitCast(Address, Base->getType());
   } else {
-    Address = Builder.CreateGEP(Base, Idx, "arrayidx");
+    Address = Builder.CreateInBoundsGEP(Base, Idx, "arrayidx");
   }
   
   QualType T = E->getBase()->getType()->getPointeeType();
diff --git a/clang/lib/CodeGen/CGExprScalar.cpp b/clang/lib/CodeGen/CGExprScalar.cpp
index f8fae423015..c0f6335d881 100644
--- a/clang/lib/CodeGen/CGExprScalar.cpp
+++ b/clang/lib/CodeGen/CGExprScalar.cpp
@@ -724,7 +724,7 @@ Value *ScalarExprEmitter::VisitPrePostIncDec(const UnaryOperator *E,
         LV = LValue::MakeAddr(lhs, ValTy.getCVRQualifiers(), 
                               CGF.getContext().getObjCGCAttrKind(ValTy));
       } else
-        NextVal = Builder.CreateGEP(InVal, Inc, "ptrincdec");
+        NextVal = Builder.CreateInBoundsGEP(InVal, Inc, "ptrincdec");
     } else {
       const llvm::Type *i8Ty =
         llvm::PointerType::getUnqual(llvm::Type::Int8Ty);
@@ -1094,7 +1094,7 @@ Value *ScalarExprEmitter::EmitAdd(const BinOpInfo &Ops) {
     return Builder.CreateBitCast(Res, Ptr->getType());
   } 
   
-  return Builder.CreateGEP(Ptr, Idx, "add.ptr");
+  return Builder.CreateInBoundsGEP(Ptr, Idx, "add.ptr");
 }
 
 Value *ScalarExprEmitter::EmitSub(const BinOpInfo &Ops) {
@@ -1160,7 +1160,7 @@ Value *ScalarExprEmitter::EmitSub(const BinOpInfo &Ops) {
       return Builder.CreateBitCast(Res, Ops.LHS->getType());
     } 
       
-    return Builder.CreateGEP(Ops.LHS, Idx, "sub.ptr");
+    return Builder.CreateInBoundsGEP(Ops.LHS, Idx, "sub.ptr");
   } else {
     // pointer - pointer
     Value *LHS = Ops.LHS;