From fab7a676c23e3f8d56a9071fbe9701aef9332db1 Mon Sep 17 00:00:00 2001
From: Michael Zolotukhin <mzolotukhin@apple.com>
Date: Thu, 22 Mar 2018 23:44:40 +0000
Subject: State that CFG is preserved in 'Falkor HW Prefetch Fix Late Phase'.

That removes some redundant recomputations from the passes pipeline.

llvm-svn: 328272
---
 llvm/lib/Target/AArch64/AArch64FalkorHWPFFix.cpp | 1 +
 1 file changed, 1 insertion(+)

(limited to 'llvm/lib')

diff --git a/llvm/lib/Target/AArch64/AArch64FalkorHWPFFix.cpp b/llvm/lib/Target/AArch64/AArch64FalkorHWPFFix.cpp
index d1ddb2e3ef7..bd7e2c549cf 100644
--- a/llvm/lib/Target/AArch64/AArch64FalkorHWPFFix.cpp
+++ b/llvm/lib/Target/AArch64/AArch64FalkorHWPFFix.cpp
@@ -187,6 +187,7 @@ public:
   bool runOnMachineFunction(MachineFunction &Fn) override;
 
   void getAnalysisUsage(AnalysisUsage &AU) const override {
+    AU.setPreservesCFG();
     AU.addRequired<MachineLoopInfo>();
     MachineFunctionPass::getAnalysisUsage(AU);
   }
-- 
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