From 7e21ded88d0bd0539ac3672e3080359708b4a8f6 Mon Sep 17 00:00:00 2001
From: Nikita Popov <nikita.ppv@gmail.com>
Date: Sat, 17 Jul 2021 15:30:55 +0200
Subject: [PATCH] [IR] Don't accept null type in
 ConstantExpr::getGetElementPtr()

This is the same change as D105653, but for the constant expression
version of the API.
---
 llvm/lib/IR/Constants.cpp | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/IR/Constants.cpp b/llvm/lib/IR/Constants.cpp
index 791c684..6c75085 100644
--- a/llvm/lib/IR/Constants.cpp
+++ b/llvm/lib/IR/Constants.cpp
@@ -2427,10 +2427,8 @@ Constant *ConstantExpr::getGetElementPtr(Type *Ty, Constant *C,
                                          Optional<unsigned> InRangeIndex,
                                          Type *OnlyIfReducedTy) {
   PointerType *OrigPtrTy = cast<PointerType>(C->getType()->getScalarType());
-  if (!Ty)
-    Ty = OrigPtrTy->getElementType();
-  else
-    assert(OrigPtrTy->isOpaqueOrPointeeTypeMatches(Ty));
+  assert(Ty && "Must specify element type");
+  assert(OrigPtrTy->isOpaqueOrPointeeTypeMatches(Ty));
 
   if (Constant *FC =
           ConstantFoldGetElementPtr(Ty, C, InBounds, InRangeIndex, Idxs))
-- 
2.7.4