From 899468a0006db4146d9b229234a183f499f7bcd2 Mon Sep 17 00:00:00 2001
From: Dimitry Andric <dim@FreeBSD.org>
Date: Fri, 31 Jul 2020 22:12:34 +0000
Subject: Vendor import of llvm-project branch release/11.x
 llvmorg-11.0.0-rc1-25-g903c872b169.

---
 llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp')

diff --git a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 5bc35aa4695f8..f950d0d4eb2b1 100644
--- a/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -7397,8 +7397,17 @@ bool SLPVectorizerPass::vectorizeChainsInBlock(BasicBlock *BB, BoUpSLP &R) {
       // Look for the next elements with the same type.
       SmallVector<Value *, 4>::iterator SameTypeIt = IncIt;
       Type *EltTy = (*IncIt)->getType();
-      unsigned EltSize = EltTy->isSized() ? DL->getTypeSizeInBits(EltTy)
-                                          : MaxVecRegSize;
+
+      assert(EltTy->isSized() &&
+             "Instructions should all be sized at this point");
+      TypeSize EltTS = DL->getTypeSizeInBits(EltTy);
+      if (EltTS.isScalable()) {
+        // For now, just ignore vectorizing scalable types.
+        ++IncIt;
+        continue;
+      }
+
+      unsigned EltSize = EltTS.getFixedSize();
       unsigned MaxNumElts = MaxVecRegSize / EltSize;
       if (MaxNumElts < 2) {
         ++IncIt;
-- 
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