[opaque pointer type] Track explicit GEP pointee type through in-memory IR

llvm-svn: 236510

1 files changed, 1 insertions, 0 deletions

diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index f62941fbf64..53ab81dbef2 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -1602,6 +1602,7 @@ Instruction *InstCombiner::visitGetElementPtrInst(GetElementPtrInst &GEP) {
             // is a leading zero) we can fold the cast into this GEP.
             if (StrippedPtrTy->getAddressSpace() == GEP.getAddressSpace()) {
               GEP.setOperand(0, StrippedPtr);
+              GEP.setSourceElementType(XATy);
               return &GEP;
             }
             // Cannot replace the base pointer directly because StrippedPtr's