From ed96fe8c79b36a38bd9280438656ee539276fb41 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Wed, 17 May 2006 21:05:27 +0000
Subject: [PATCH] Declare that lowerinvoke doesn't interact with other lowering
 passes. Patch written by Domagoj Babic!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28367 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Transforms/Utils/LowerAllocations.cpp |  3 ++-
 lib/Transforms/Utils/LowerInvoke.cpp      | 10 +++++++++-
 lib/Transforms/Utils/LowerSelect.cpp      |  4 +++-
 lib/Transforms/Utils/LowerSwitch.cpp      |  8 +++++---
 lib/Transforms/Utils/Mem2Reg.cpp          |  4 +++-
 5 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/lib/Transforms/Utils/LowerAllocations.cpp b/lib/Transforms/Utils/LowerAllocations.cpp
index f6e70e11f5f..dab8084c4c8 100644
--- a/lib/Transforms/Utils/LowerAllocations.cpp
+++ b/lib/Transforms/Utils/LowerAllocations.cpp
@@ -41,11 +41,12 @@ namespace {
       AU.addRequired<TargetData>();
       AU.setPreservesCFG();
 
-      // This is a cluster of orthogonal Transforms:
+      // This is a cluster of orthogonal Transforms:	
       AU.addPreserved<UnifyFunctionExitNodes>();
       AU.addPreservedID(PromoteMemoryToRegisterID);
       AU.addPreservedID(LowerSelectID);
       AU.addPreservedID(LowerSwitchID);
+      AU.addPreservedID(LowerInvokePassID);
     }
 
     /// doPassInitialization - For the lower allocations pass, this ensures that
diff --git a/lib/Transforms/Utils/LowerInvoke.cpp b/lib/Transforms/Utils/LowerInvoke.cpp
index be706c3ef8e..f7cb65c2622 100644
--- a/lib/Transforms/Utils/LowerInvoke.cpp
+++ b/lib/Transforms/Utils/LowerInvoke.cpp
@@ -71,7 +71,15 @@ namespace {
       JumpBufAlign(Align) {}
     bool doInitialization(Module &M);
     bool runOnFunction(Function &F);
-    
+ 
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      // This is a cluster of orthogonal Transforms	
+      AU.addPreservedID(PromoteMemoryToRegisterID);
+      AU.addPreservedID(LowerSelectID);
+      AU.addPreservedID(LowerSwitchID);
+      AU.addPreservedID(LowerAllocationsID);
+    }
+       
   private:
     void createAbortMessage();
     void writeAbortMessage(Instruction *IB);
diff --git a/lib/Transforms/Utils/LowerSelect.cpp b/lib/Transforms/Utils/LowerSelect.cpp
index 27dd4307285..464d30d0308 100644
--- a/lib/Transforms/Utils/LowerSelect.cpp
+++ b/lib/Transforms/Utils/LowerSelect.cpp
@@ -39,10 +39,12 @@ namespace {
 
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       // This certainly destroys the CFG.
-      // This is a cluster of orthogonal Transforms:
+      // This is a cluster of orthogonal Transforms:	
       AU.addPreserved<UnifyFunctionExitNodes>();
       AU.addPreservedID(PromoteMemoryToRegisterID);
       AU.addPreservedID(LowerSwitchID);
+      AU.addPreservedID(LowerInvokePassID);
+      AU.addPreservedID(LowerAllocationsID);
     }
 
     bool runOnFunction(Function &F);
diff --git a/lib/Transforms/Utils/LowerSwitch.cpp b/lib/Transforms/Utils/LowerSwitch.cpp
index 14d3027b918..379a2e45703 100644
--- a/lib/Transforms/Utils/LowerSwitch.cpp
+++ b/lib/Transforms/Utils/LowerSwitch.cpp
@@ -34,14 +34,16 @@ namespace {
   class LowerSwitch : public FunctionPass {
   public:
     virtual bool runOnFunction(Function &F);
-
+    
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
-      // This is a cluster of orthogonal Transforms
+      // This is a cluster of orthogonal Transforms	
       AU.addPreserved<UnifyFunctionExitNodes>();
       AU.addPreservedID(PromoteMemoryToRegisterID);
       AU.addPreservedID(LowerSelectID);
+      AU.addPreservedID(LowerInvokePassID);
+      AU.addPreservedID(LowerAllocationsID);
     }
-
+        
     typedef std::pair<Constant*, BasicBlock*> Case;
     typedef std::vector<Case>::iterator       CaseItr;
   private:
diff --git a/lib/Transforms/Utils/Mem2Reg.cpp b/lib/Transforms/Utils/Mem2Reg.cpp
index 9ca2c8300da..5e5d67b305f 100644
--- a/lib/Transforms/Utils/Mem2Reg.cpp
+++ b/lib/Transforms/Utils/Mem2Reg.cpp
@@ -38,10 +38,12 @@ namespace {
       AU.addRequired<DominanceFrontier>();
       AU.addRequired<TargetData>();
       AU.setPreservesCFG();
-      // This is a cluster of orthogonal Transforms
+      // This is a cluster of orthogonal Transforms	
       AU.addPreserved<UnifyFunctionExitNodes>();
       AU.addPreservedID(LowerSelectID);
       AU.addPreservedID(LowerSwitchID);
+      AU.addPreservedID(LowerInvokePassID);
+      AU.addPreservedID(LowerAllocationsID);
     }
   };
 
-- 
2.34.1