Keep track if analysis made available by the pass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31664 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/PassManager.h b/include/llvm/PassManager.h
index 075a572..667fa70 100644
--- a/include/llvm/PassManager.h
+++ b/include/llvm/PassManager.h
@@ -19,6 +19,7 @@
#include "llvm/Pass.h"
#include <vector>
+#include <set>
namespace llvm {
@@ -106,9 +107,12 @@
/// Return true IFF AnalysisID AID is currently available.
bool analysisCurrentlyAvailable(AnalysisID AID);
- /// Augment RequiredSet by adding analysis required by pass P.
+ /// Augment RequiredAnalysis by adding analysis required by pass P.
void noteDownRequiredAnalysis(Pass *P);
+ /// Augment AvailableAnalysis by adding analysis made available by pass P.
+ void noteDownAvailableAnalysis(Pass *P);
+
/// Remove AnalysisID from the RequiredSet
void removeAnalysis(AnalysisID AID);
@@ -121,6 +125,9 @@
private:
// Analysis required by the passes managed by this manager
std::vector<AnalysisID> RequiredAnalysis;
+
+ // set of available Analysis
+ std::set<AnalysisID> AvailableAnalysis;
};
/// PassManager_New manages ModulePassManagers
diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp
index 27a86b6..157a9aa 100644
--- a/lib/VMCore/PassManager.cpp
+++ b/lib/VMCore/PassManager.cpp
@@ -164,7 +164,7 @@
return false;
}
-/// Augment RequiredSet by adding analysis required by pass P.
+/// Augment RequiredAnalysis by adding analysis required by pass P.
void CommonPassManagerImpl::noteDownRequiredAnalysis(Pass *P) {
AnalysisUsage AnUsage;
P->getAnalysisUsage(AnUsage);
@@ -174,6 +174,21 @@
RequiredAnalysis.insert(RequiredAnalysis.end(), RequiredSet.begin(), RequiredSet.end());
}
+/// Augement AvailableAnalysis by adding analysis made available by pass P.
+void CommonPassManagerImpl::noteDownAvailableAnalysis(Pass *P) {
+
+ if (const PassInfo *PI = P->getPassInfo()) {
+ AvailableAnalysis.insert(PI);
+
+ //TODO This pass is the current implementation of all of the interfaces it
+ //TODO implements as well.
+ //TODO
+ //TODO const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented();
+ //TODO for (unsigned i = 0, e = II.size(); i != e; ++i)
+ //TODO CurrentAnalyses[II[i]] = P;
+ }
+}
+
/// Remove AnalysisID from the RequiredSet
void CommonPassManagerImpl::removeAnalysis(AnalysisID AID) {
@@ -202,8 +217,9 @@
if (!manageablePass(P))
return false;
- // Take a note of analysis required by this pass.
+ // Take a note of analysis required and made available by this pass
noteDownRequiredAnalysis(P);
+ noteDownAvailableAnalysis(P);
// Add pass
PassVector.push_back(BP);
@@ -285,8 +301,9 @@
if (!manageablePass(P))
return false;
- // Take a note of analysis required by this pass.
+ // Take a note of analysis required and made available by this pass
noteDownRequiredAnalysis(P);
+ noteDownAvailableAnalysis(P);
PassVector.push_back(FP);
activeBBPassManager = NULL;
@@ -345,8 +362,9 @@
if (!manageablePass(P))
return false;
- // Take a note of analysis required by this pass.
+ // Take a note of analysis required and made available by this pass
noteDownRequiredAnalysis(P);
+ noteDownAvailableAnalysis(P);
PassVector.push_back(MP);
activeFunctionPassManager = NULL;