From f4c56e97dffe9d0d40c1c428a59ec6a3a0d59f66 Mon Sep 17 00:00:00 2001
From: Michael Kuperstein <mkuper@google.com>
Date: Sat, 25 Jun 2016 00:47:21 +0000
Subject: It isn't meaningful for a transform to preserve another transform.
 NFC.

llvm-svn: 273761
---
 llvm/lib/Transforms/Utils/LowerSwitch.cpp | 6 ------
 llvm/lib/Transforms/Utils/Mem2Reg.cpp     | 4 ----
 2 files changed, 10 deletions(-)

(limited to 'llvm/lib/Transforms')

diff --git a/llvm/lib/Transforms/Utils/LowerSwitch.cpp b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
index e73d28fd98e..5c07469869f 100644
--- a/llvm/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/llvm/lib/Transforms/Utils/LowerSwitch.cpp
@@ -59,12 +59,6 @@ namespace {
 
     bool runOnFunction(Function &F) override;
 
-    void getAnalysisUsage(AnalysisUsage &AU) const override {
-      // This is a cluster of orthogonal Transforms
-      AU.addPreserved<UnifyFunctionExitNodes>();
-      AU.addPreservedID(LowerInvokePassID);
-    }
-
     struct CaseRange {
       ConstantInt* Low;
       ConstantInt* High;
diff --git a/llvm/lib/Transforms/Utils/Mem2Reg.cpp b/llvm/lib/Transforms/Utils/Mem2Reg.cpp
index 28b802e2788..d26a603573d 100644
--- a/llvm/lib/Transforms/Utils/Mem2Reg.cpp
+++ b/llvm/lib/Transforms/Utils/Mem2Reg.cpp
@@ -91,10 +91,6 @@ struct PromoteLegacyPass : public FunctionPass {
     AU.addRequired<AssumptionCacheTracker>();
     AU.addRequired<DominatorTreeWrapperPass>();
     AU.setPreservesCFG();
-    // This is a cluster of orthogonal Transforms
-    AU.addPreserved<UnifyFunctionExitNodes>();
-    AU.addPreservedID(LowerSwitchID);
-    AU.addPreservedID(LowerInvokePassID);
   }
   };
 }  // end of anonymous namespace
-- 
cgit v1.2.3