Use the inbounds variant of getelementptr for common pointer arithmetic.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78756 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 3e9a273..a97f9ad 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -889,7 +889,7 @@
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 @@
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();