From: Devang Patel <dpatel@apple.com>
Date: Tue, 7 Nov 2006 22:56:50 +0000 (+0000)
Subject: Update new pass managers to use PassManagerAnalysisHelper API.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=53596b6ba5d3199621e5a6e0cdbfcde3ee710397;p=oota-llvm.git

Update new pass managers to use PassManagerAnalysisHelper API.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31526 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 766f8ce8b46..de6ce20a1e9 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -69,8 +69,13 @@ BasicBlockPassManager_New::addPass (Pass *P) {
   if (!BP)
     return false;
 
-  // TODO: Check if it suitable to manage P using this BasicBlockPassManager
-  // or we need another instance of BasicBlockPassManager
+  // If this pass does not preserve anlysis that is used by other passes
+  // managed by this manager than it is not a suiable pass for this manager.
+  if (!manageablePass (P))
+    return false;
+
+  // Take a note of analysis required by this pass.
+  noteDownRequiredAnalysis(P);
 
   // Add pass
   PassVector.push_back(BP);
@@ -124,8 +129,13 @@ FunctionPassManager_New::addPass (Pass *P) {
   if (!FP)
     return false;
 
-  // TODO: Check if it suitable to manage P using this FunctionPassManager
-  // or we need another instance of FunctionPassManager
+  // If this pass does not preserve anlysis that is used by other passes
+  // managed by this manager than it is not a suiable pass for this manager.
+  if (!manageablePass (P))
+    return false;
+
+  // Take a note of analysis required by this pass.
+  noteDownRequiredAnalysis(P);
 
   PassVector.push_back(FP);
   activeBBPassManager = NULL;
@@ -179,8 +189,13 @@ ModulePassManager_New::addPass (Pass *P) {
   if (!MP)
     return false;
 
-  // TODO: Check if it suitable to manage P using this ModulePassManager
-  // or we need another instance of ModulePassManager
+  // If this pass does not preserve anlysis that is used by other passes
+  // managed by this manager than it is not a suiable pass for this manager.
+  if (!manageablePass (P))
+    return false;
+
+  // Take a note of analysis required by this pass.
+  noteDownRequiredAnalysis(P);
 
   PassVector.push_back(MP);
   activeFunctionPassManager = NULL;