From 98743fa77af0c0fafff8af648fdaf054ba231c29 Mon Sep 17 00:00:00 2001
From: Anna Thomas <anna@azul.com>
Date: Fri, 28 Dec 2018 18:52:16 +0000
Subject: [UnrollRuntime] NFC: Add comment and verify LCSSA

Added -verify-loop-lcssa to test cases.
Updated comments in ConnectProlog.

llvm-svn: 350131
---
 llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp')

diff --git a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
index 386621844fe..2981e6e2c52 100644
--- a/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
+++ b/llvm/lib/Transforms/Utils/LoopUnrollRuntime.cpp
@@ -72,7 +72,7 @@ static void ConnectProlog(Loop *L, Value *BECount, unsigned Count,
                           LoopInfo *LI, bool PreserveLCSSA) {
   // Loop structure should be the following:
   // Preheader
-  //  PrologPreHeader
+  //  PrologHeader
   //  ...
   //  PrologLatch
   //  PrologExit
@@ -108,7 +108,7 @@ static void ConnectProlog(Loop *L, Value *BECount, unsigned Count,
         NewPN->addIncoming(PN.getIncomingValueForBlock(NewPreHeader),
                            PreHeader);
       } else {
-        // Succ is LatchExit
+        // Succ is LatchExit.
         NewPN->addIncoming(UndefValue::get(PN.getType()), PreHeader);
       }
 
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