From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Mon, 14 Sep 2020 12:24:17 +0000 (+0100)
Subject: Assert we've found both vector types. NFCI.
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=98eaacd73d40eb28d5fa86bc3cfc9371581ee0cb;p=android-x86%2Fexternal-llvm-project.git

Assert we've found both vector types. NFCI.

Fixes clang static analyzer warning about potential null dereferences.
---

diff --git a/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp b/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp
index d8008320696..f36b3411570 100644
--- a/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp
+++ b/llvm/lib/Target/ARM/MVEGatherScatterLowering.cpp
@@ -1062,6 +1062,7 @@ static Value *CheckAndCreateOffsetAdd(Value *X, Value *Y, Value *GEP,
     FixSummands(YElType, X);
     XElType = cast<FixedVectorType>(X->getType());
   }
+  assert(XElType && YElType && "Unknown vector types");
   // Check that the summands are of compatible types
   if (XElType != YElType) {
     LLVM_DEBUG(dbgs() << "masked gathers/scatters: incompatible gep offsets\n");