From d10a84f86e045ffe6eb52ee46b6d17261dbed3a3 Mon Sep 17 00:00:00 2001
From: Benjamin Kramer <benny.kra@googlemail.com>
Date: Wed, 1 Apr 2020 13:12:46 +0200
Subject: [PATCH] [GVNSink] Simplify code. NFC.

---
 lib/Transforms/Scalar/GVNSink.cpp | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/lib/Transforms/Scalar/GVNSink.cpp b/lib/Transforms/Scalar/GVNSink.cpp
index df1d97877c5..5fee60fc6bf 100644
--- a/lib/Transforms/Scalar/GVNSink.cpp
+++ b/lib/Transforms/Scalar/GVNSink.cpp
@@ -360,12 +360,8 @@ public:
     setOpcode(I->getOpcode());
     setType(I->getType());
 
-    if (ShuffleVectorInst *SVI = dyn_cast<ShuffleVectorInst>(I)) {
-      ArrayRef<int> OrigMask = SVI->getShuffleMask();
-      int *Mask = A.Allocate<int>(OrigMask.size());
-      llvm::copy(OrigMask, Mask);
-      ShuffleMask = ArrayRef<int>(Mask, OrigMask.size());
-    }
+    if (ShuffleVectorInst *SVI = dyn_cast<ShuffleVectorInst>(I))
+      ShuffleMask = SVI->getShuffleMask().copy(A);
 
     for (auto &U : I->uses())
       op_push_back(U.getUser());