Vendor import of llvm trunk r256945:

https://llvm.org/svn/llvm-project/llvm/trunk@256945

1 files changed, 6 insertions, 6 deletions

diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index a627dd6..2c0d317 100644
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -4294,12 +4294,12 @@ bool LoopVectorizationLegality::canVectorizeInstrs() {
           continue;
         }
 
-        if (RecurrenceDescriptor::isReductionPHI(Phi, TheLoop,
-                                                 Reductions[Phi])) {
-          if (Reductions[Phi].hasUnsafeAlgebra())
-            Requirements->addUnsafeAlgebraInst(
-                Reductions[Phi].getUnsafeAlgebraInst());
-          AllowedExit.insert(Reductions[Phi].getLoopExitInstr());
+        RecurrenceDescriptor RedDes;
+        if (RecurrenceDescriptor::isReductionPHI(Phi, TheLoop, RedDes)) {
+          if (RedDes.hasUnsafeAlgebra())
+            Requirements->addUnsafeAlgebraInst(RedDes.getUnsafeAlgebraInst());
+          AllowedExit.insert(RedDes.getLoopExitInstr());
+          Reductions[Phi] = RedDes;
           continue;
         }