From 3b0d30ffd30a704d09a34031d8797e22b708caab Mon Sep 17 00:00:00 2001
From: Florian Hahn <flo@fhahn.com>
Date: Fri, 31 Jul 2020 18:16:01 +0100
Subject: [PATCH] [SCEVExpander] Name temporary instructions for LCSSA
 insertion (NFC).

---
 llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
index 1a10e580c68c..d31bf6791075 100644
--- a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
+++ b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
@@ -1771,10 +1771,12 @@ Value *SCEVExpander::expandCodeForImpl(const SCEV *SH, Type *Ty, bool Root) {
       // instruction.
       Instruction *Tmp;
       if (Inst->getType()->isIntegerTy())
-        Tmp = cast<Instruction>(Builder.CreateAdd(Inst, Inst));
+        Tmp =
+            cast<Instruction>(Builder.CreateAdd(Inst, Inst, "tmp.lcssa.user"));
       else {
         assert(Inst->getType()->isPointerTy());
-        Tmp = cast<Instruction>(Builder.CreateGEP(Inst, Builder.getInt32(1)));
+        Tmp = cast<Instruction>(
+            Builder.CreateGEP(Inst, Builder.getInt32(1), "tmp.lcssa.user"));
       }
       V = fixupLCSSAFormFor(Tmp, 0);