From: Chris Lattner <sabre@nondot.org>
Date: Wed, 23 Oct 2002 03:30:47 +0000 (+0000)
Subject: Tell PassManager that this pass does not invalidate the CFG so that dominator
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=a0877726df7b62bea4cf81625cae6c34345efdc7;p=oota-llvm.git

Tell PassManager that this pass does not invalidate the CFG so that dominator
information and Loop info will not have to be recomputed after this runs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@4269 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/InstrSched/InstrScheduling.cpp b/lib/CodeGen/InstrSched/InstrScheduling.cpp
index a985680da3d..9818b708381 100644
--- a/lib/CodeGen/InstrSched/InstrScheduling.cpp
+++ b/lib/CodeGen/InstrSched/InstrScheduling.cpp
@@ -1499,6 +1499,7 @@ namespace {
     // getAnalysisUsage - We use LiveVarInfo...
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<FunctionLiveVarInfo>();
+      AU.setPreservesCFG();
     }
     
     bool runOnFunction(Function &F);
diff --git a/lib/CodeGen/InstrSelection/InstrSelection.cpp b/lib/CodeGen/InstrSelection/InstrSelection.cpp
index 28bfb74666d..a9d1331c94c 100644
--- a/lib/CodeGen/InstrSelection/InstrSelection.cpp
+++ b/lib/CodeGen/InstrSelection/InstrSelection.cpp
@@ -63,6 +63,10 @@ namespace {
                                        int ruleForNode, short* nts);
   public:
     InstructionSelection(TargetMachine &T) : Target(T) {}
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
+    }
     
     bool runOnFunction(Function &F);
   };
diff --git a/lib/Target/SparcV9/InstrSched/InstrScheduling.cpp b/lib/Target/SparcV9/InstrSched/InstrScheduling.cpp
index a985680da3d..9818b708381 100644
--- a/lib/Target/SparcV9/InstrSched/InstrScheduling.cpp
+++ b/lib/Target/SparcV9/InstrSched/InstrScheduling.cpp
@@ -1499,6 +1499,7 @@ namespace {
     // getAnalysisUsage - We use LiveVarInfo...
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
       AU.addRequired<FunctionLiveVarInfo>();
+      AU.setPreservesCFG();
     }
     
     bool runOnFunction(Function &F);
diff --git a/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp b/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
index 28bfb74666d..a9d1331c94c 100644
--- a/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
+++ b/lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
@@ -63,6 +63,10 @@ namespace {
                                        int ruleForNode, short* nts);
   public:
     InstructionSelection(TargetMachine &T) : Target(T) {}
+
+    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+      AU.setPreservesCFG();
+    }
     
     bool runOnFunction(Function &F);
   };