From ba04d3a620fe70bc7b29dd91e0bdfe5158046b47 Mon Sep 17 00:00:00 2001
From: Sanjoy Das <sanjoy@playingwithpointers.com>
Date: Sat, 6 Aug 2016 02:58:48 +0000
Subject: [InstCombine] Don't coerce non-integral pointers to integers

Reviewers: majnemer

Subscribers: mcrosier, llvm-commits

Differential Revision: https://reviews.llvm.org/D23231

llvm-svn: 277910
---
 llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp b/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
index 736c95adae1..8dcc6351ac7 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineLoadStoreAlloca.cpp
@@ -475,7 +475,8 @@ static Instruction *combineLoadToOperationType(InstCombiner &IC, LoadInst &LI) {
   // size is a legal integer type.
   if (!Ty->isIntegerTy() && Ty->isSized() &&
       DL.isLegalInteger(DL.getTypeStoreSizeInBits(Ty)) &&
-      DL.getTypeStoreSizeInBits(Ty) == DL.getTypeSizeInBits(Ty)) {
+      DL.getTypeStoreSizeInBits(Ty) == DL.getTypeSizeInBits(Ty) &&
+      !DL.isNonIntegralPointerType(Ty)) {
     if (std::all_of(LI.user_begin(), LI.user_end(), [&LI](User *U) {
           auto *SI = dyn_cast<StoreInst>(U);
           return SI && SI->getPointerOperand() != &LI;
-- 
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