From 34a77780c5ebd39f9236afc12c46868bcb9e1b8b Mon Sep 17 00:00:00 2001
From: Michael Kruse <llvm@meinersbur.de>
Date: Fri, 28 Jul 2017 16:57:45 +0000
Subject: [PATCH] [Simplify] Remove empty partial accesses first. NFC.

So follow-up cleanup do not need special handling for such accesses.

llvm-svn: 309401
---
 polly/lib/Transform/Simplify.cpp         | 6 +++---
 polly/test/Simplify/emptyaccessdomain.ll | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/polly/lib/Transform/Simplify.cpp b/polly/lib/Transform/Simplify.cpp
index 6f9a334ecc42..a54b3a4d491a 100644
--- a/polly/lib/Transform/Simplify.cpp
+++ b/polly/lib/Transform/Simplify.cpp
@@ -455,15 +455,15 @@ public:
     this->S = &S;
     ScopsProcessed++;
 
+    DEBUG(dbgs() << "Removing partial writes that never happen...\n");
+    removeEmptyPartialAccesses();
+
     DEBUG(dbgs() << "Removing overwrites...\n");
     removeOverwrites();
 
     DEBUG(dbgs() << "Removing redundant writes...\n");
     removeRedundantWrites();
 
-    DEBUG(dbgs() << "Removing partial writes that never happen...\n");
-    removeEmptyPartialAccesses();
-
     DEBUG(dbgs() << "Cleanup unused accesses...\n");
     LoopInfo *LI = &getAnalysis<LoopInfoWrapperPass>().getLoopInfo();
     markAndSweep(LI);
diff --git a/polly/test/Simplify/emptyaccessdomain.ll b/polly/test/Simplify/emptyaccessdomain.ll
index 641d34e9ecc2..a5c76534688d 100644
--- a/polly/test/Simplify/emptyaccessdomain.ll
+++ b/polly/test/Simplify/emptyaccessdomain.ll
@@ -30,7 +30,7 @@ return:
 
 
 ; CHECK: Statistics {
-; CHECK:     Overwrites removed: 1
+; CHECK:     Access with empty domains removed: 1
 ; CHECK:     Stmts removed: 1
 ; CHECK: }