[llvm] r261891 - Revert "Introduce analysis pass to compute PostDominators in the new pass manager. NFC"
Hongbin Zheng via llvm-commits
llvm-commits at lists.llvm.org
Thu Feb 25 08:45:53 PST 2016
Author: ether
Date: Thu Feb 25 10:45:53 2016
New Revision: 261891
URL: http://llvm.org/viewvc/llvm-project?rev=261891&view=rev
Log:
Revert "Introduce analysis pass to compute PostDominators in the new pass manager. NFC"
This reverts commit a3e5cc6a51ab5ad88d1760c63284294a4e34c018.
Modified:
llvm/trunk/include/llvm/Analysis/PostDominators.h
llvm/trunk/include/llvm/InitializePasses.h
llvm/trunk/lib/Analysis/Analysis.cpp
llvm/trunk/lib/Analysis/DivergenceAnalysis.cpp
llvm/trunk/lib/Analysis/DomPrinter.cpp
llvm/trunk/lib/Analysis/PostDominators.cpp
llvm/trunk/lib/Analysis/RegionInfo.cpp
llvm/trunk/lib/CodeGen/MachineRegionInfo.cpp
llvm/trunk/lib/Passes/PassBuilder.cpp
llvm/trunk/lib/Passes/PassRegistry.def
llvm/trunk/test/Analysis/PostDominators/pr1098.ll
llvm/trunk/unittests/IR/DominatorTreeTest.cpp
Modified: llvm/trunk/include/llvm/Analysis/PostDominators.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Analysis/PostDominators.h?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Analysis/PostDominators.h (original)
+++ llvm/trunk/include/llvm/Analysis/PostDominators.h Thu Feb 25 10:45:53 2016
@@ -17,58 +17,20 @@
#include "llvm/IR/Dominators.h"
namespace llvm {
-// FIXME: Replace this brittle forward declaration with the include of the new
-// PassManager.h when doing so doesn't break the PassManagerBuilder.
-class PreservedAnalyses;
/// PostDominatorTree Class - Concrete subclass of DominatorTree that is used to
/// compute the post-dominator tree.
///
-struct PostDominatorTree : public DominatorTreeBase<BasicBlock> {
- PostDominatorTree() : DominatorTreeBase<BasicBlock>(true) {}
-};
-
-/// \brief Analysis pass which computes a \c PostDominatorTree.
-class PostDominatorTreeAnalysis {
-public:
- /// \brief Provide the result typedef for this analysis pass.
- typedef PostDominatorTree Result;
-
- /// \brief Opaque, unique identifier for this analysis pass.
- static void *ID() { return (void *)&PassID; }
-
- /// \brief Run the analysis pass over a function and produce a post dominator
- /// tree.
- PostDominatorTree run(Function &F);
-
- /// \brief Provide access to a name for this pass for debugging purposes.
- static StringRef name() { return "PostDominatorTreeAnalysis"; }
-
-private:
- static char PassID;
-};
-
-/// \brief Printer pass for the \c PostDominatorTree.
-class PostDominatorTreePrinterPass {
- raw_ostream &OS;
-
-public:
- explicit PostDominatorTreePrinterPass(raw_ostream &OS);
- PreservedAnalyses run(Function &F, AnalysisManager<Function> *AM);
-
- static StringRef name() { return "PostDominatorTreePrinterPass"; }
-};
-
-struct PostDominatorTreeWrapperPass : public FunctionPass {
+struct PostDominatorTree : public FunctionPass {
static char ID; // Pass identification, replacement for typeid
- PostDominatorTree DT;
+ DominatorTreeBase<BasicBlock>* DT;
- PostDominatorTreeWrapperPass() : FunctionPass(ID) {
- initializePostDominatorTreeWrapperPassPass(*PassRegistry::getPassRegistry());
+ PostDominatorTree() : FunctionPass(ID) {
+ initializePostDominatorTreePass(*PassRegistry::getPassRegistry());
+ DT = new DominatorTreeBase<BasicBlock>(true);
}
- PostDominatorTree &getPostDomTree() { return DT; }
- const PostDominatorTree &getPostDomTree() const { return DT; }
+ ~PostDominatorTree() override;
bool runOnFunction(Function &F) override;
@@ -76,8 +38,55 @@ struct PostDominatorTreeWrapperPass : pu
AU.setPreservesAll();
}
+ inline const std::vector<BasicBlock*> &getRoots() const {
+ return DT->getRoots();
+ }
+
+ inline DomTreeNode *getRootNode() const {
+ return DT->getRootNode();
+ }
+
+ inline DomTreeNode *operator[](BasicBlock *BB) const {
+ return DT->getNode(BB);
+ }
+
+ inline DomTreeNode *getNode(BasicBlock *BB) const {
+ return DT->getNode(BB);
+ }
+
+ inline bool dominates(DomTreeNode* A, DomTreeNode* B) const {
+ return DT->dominates(A, B);
+ }
+
+ inline bool dominates(const BasicBlock* A, const BasicBlock* B) const {
+ return DT->dominates(A, B);
+ }
+
+ inline bool properlyDominates(const DomTreeNode* A, DomTreeNode* B) const {
+ return DT->properlyDominates(A, B);
+ }
+
+ inline bool properlyDominates(BasicBlock* A, BasicBlock* B) const {
+ return DT->properlyDominates(A, B);
+ }
+
+ inline BasicBlock *findNearestCommonDominator(BasicBlock *A, BasicBlock *B) {
+ return DT->findNearestCommonDominator(A, B);
+ }
+
+ inline const BasicBlock *findNearestCommonDominator(const BasicBlock *A,
+ const BasicBlock *B) {
+ return DT->findNearestCommonDominator(A, B);
+ }
+
+ /// Get all nodes post-dominated by R, including R itself.
+ void getDescendants(BasicBlock *R,
+ SmallVectorImpl<BasicBlock *> &Result) const {
+ DT->getDescendants(R, Result);
+ }
+
void releaseMemory() override {
- DT.releaseMemory();
+ DT->releaseMemory();
}
void print(raw_ostream &OS, const Module*) const override;
Modified: llvm/trunk/include/llvm/InitializePasses.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/InitializePasses.h?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/include/llvm/InitializePasses.h (original)
+++ llvm/trunk/include/llvm/InitializePasses.h Thu Feb 25 10:45:53 2016
@@ -232,7 +232,7 @@ void initializePostDomOnlyPrinterPass(Pa
void initializePostDomOnlyViewerPass(PassRegistry&);
void initializePostDomPrinterPass(PassRegistry&);
void initializePostDomViewerPass(PassRegistry&);
-void initializePostDominatorTreeWrapperPassPass(PassRegistry&);
+void initializePostDominatorTreePass(PassRegistry&);
void initializePostOrderFunctionAttrsLegacyPassPass(PassRegistry&);
void initializePostRASchedulerPass(PassRegistry&);
void initializePostMachineSchedulerPass(PassRegistry&);
Modified: llvm/trunk/lib/Analysis/Analysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/Analysis.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/Analysis.cpp (original)
+++ llvm/trunk/lib/Analysis/Analysis.cpp Thu Feb 25 10:45:53 2016
@@ -60,7 +60,7 @@ void llvm::initializeAnalysis(PassRegist
initializeMemoryDependenceAnalysisPass(Registry);
initializeModuleDebugInfoPrinterPass(Registry);
initializeObjCARCAAWrapperPassPass(Registry);
- initializePostDominatorTreeWrapperPassPass(Registry);
+ initializePostDominatorTreePass(Registry);
initializeRegionInfoPassPass(Registry);
initializeRegionViewerPass(Registry);
initializeRegionPrinterPass(Registry);
Modified: llvm/trunk/lib/Analysis/DivergenceAnalysis.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/DivergenceAnalysis.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/DivergenceAnalysis.cpp (original)
+++ llvm/trunk/lib/Analysis/DivergenceAnalysis.cpp Thu Feb 25 10:45:53 2016
@@ -258,7 +258,7 @@ char DivergenceAnalysis::ID = 0;
INITIALIZE_PASS_BEGIN(DivergenceAnalysis, "divergence", "Divergence Analysis",
false, true)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
-INITIALIZE_PASS_DEPENDENCY(PostDominatorTreeWrapperPass)
+INITIALIZE_PASS_DEPENDENCY(PostDominatorTree)
INITIALIZE_PASS_END(DivergenceAnalysis, "divergence", "Divergence Analysis",
false, true)
@@ -268,7 +268,7 @@ FunctionPass *llvm::createDivergenceAnal
void DivergenceAnalysis::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequired<DominatorTreeWrapperPass>();
- AU.addRequired<PostDominatorTreeWrapperPass>();
+ AU.addRequired<PostDominatorTree>();
AU.setPreservesAll();
}
@@ -284,10 +284,9 @@ bool DivergenceAnalysis::runOnFunction(F
return false;
DivergentValues.clear();
- auto &PDT = getAnalysis<PostDominatorTreeWrapperPass>().getPostDomTree();
DivergencePropagator DP(F, TTI,
getAnalysis<DominatorTreeWrapperPass>().getDomTree(),
- PDT, DivergentValues);
+ getAnalysis<PostDominatorTree>(), DivergentValues);
DP.populateWithSourcesOfDivergence();
DP.propagate();
return false;
Modified: llvm/trunk/lib/Analysis/DomPrinter.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/DomPrinter.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/DomPrinter.cpp (original)
+++ llvm/trunk/lib/Analysis/DomPrinter.cpp Thu Feb 25 10:45:53 2016
@@ -111,36 +111,20 @@ struct DomOnlyViewer : public DOTGraphTr
}
};
-struct PostDominatorTreeWrapperPassAnalysisGraphTraits {
- static PostDominatorTree *getGraph(PostDominatorTreeWrapperPass *PDTWP) {
- return &PDTWP->getPostDomTree();
- }
-};
-
-struct PostDomViewer : public DOTGraphTraitsViewer<
- PostDominatorTreeWrapperPass, false,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits> {
+struct PostDomViewer
+ : public DOTGraphTraitsViewer<PostDominatorTree, false> {
static char ID;
PostDomViewer() :
- DOTGraphTraitsViewer<PostDominatorTreeWrapperPass, false,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits>(
- "postdom", ID){
+ DOTGraphTraitsViewer<PostDominatorTree, false>("postdom", ID){
initializePostDomViewerPass(*PassRegistry::getPassRegistry());
}
};
-struct PostDomOnlyViewer : public DOTGraphTraitsViewer<
- PostDominatorTreeWrapperPass, true,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits> {
+struct PostDomOnlyViewer
+ : public DOTGraphTraitsViewer<PostDominatorTree, true> {
static char ID;
PostDomOnlyViewer() :
- DOTGraphTraitsViewer<PostDominatorTreeWrapperPass, true,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits>(
- "postdomonly", ID){
+ DOTGraphTraitsViewer<PostDominatorTree, true>("postdomonly", ID){
initializePostDomOnlyViewerPass(*PassRegistry::getPassRegistry());
}
};
@@ -191,31 +175,19 @@ struct DomOnlyPrinter : public DOTGraphT
};
struct PostDomPrinter
- : public DOTGraphTraitsPrinter<
- PostDominatorTreeWrapperPass, false,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits> {
+ : public DOTGraphTraitsPrinter<PostDominatorTree, false> {
static char ID;
PostDomPrinter() :
- DOTGraphTraitsPrinter<PostDominatorTreeWrapperPass, false,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits>(
- "postdom", ID) {
+ DOTGraphTraitsPrinter<PostDominatorTree, false>("postdom", ID) {
initializePostDomPrinterPass(*PassRegistry::getPassRegistry());
}
};
struct PostDomOnlyPrinter
- : public DOTGraphTraitsPrinter<
- PostDominatorTreeWrapperPass, true,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits> {
+ : public DOTGraphTraitsPrinter<PostDominatorTree, true> {
static char ID;
PostDomOnlyPrinter() :
- DOTGraphTraitsPrinter<PostDominatorTreeWrapperPass, true,
- PostDominatorTree *,
- PostDominatorTreeWrapperPassAnalysisGraphTraits>(
- "postdomonly", ID) {
+ DOTGraphTraitsPrinter<PostDominatorTree, true>("postdomonly", ID) {
initializePostDomOnlyPrinterPass(*PassRegistry::getPassRegistry());
}
};
Modified: llvm/trunk/lib/Analysis/PostDominators.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/PostDominators.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/PostDominators.cpp (original)
+++ llvm/trunk/lib/Analysis/PostDominators.cpp Thu Feb 25 10:45:53 2016
@@ -16,7 +16,6 @@
#include "llvm/ADT/SetOperations.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/Instructions.h"
-#include "llvm/IR/PassManager.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/GenericDomTreeConstruction.h"
using namespace llvm;
@@ -27,38 +26,25 @@ using namespace llvm;
// PostDominatorTree Implementation
//===----------------------------------------------------------------------===//
-char PostDominatorTreeWrapperPass::ID = 0;
-INITIALIZE_PASS(PostDominatorTreeWrapperPass, "postdomtree",
+char PostDominatorTree::ID = 0;
+INITIALIZE_PASS(PostDominatorTree, "postdomtree",
"Post-Dominator Tree Construction", true, true)
-bool PostDominatorTreeWrapperPass::runOnFunction(Function &F) {
- DT.recalculate(F);
+bool PostDominatorTree::runOnFunction(Function &F) {
+ DT->recalculate(F);
return false;
}
-void PostDominatorTreeWrapperPass::print(raw_ostream &OS, const Module *) const {
- DT.print(OS);
+PostDominatorTree::~PostDominatorTree() {
+ delete DT;
}
-FunctionPass* llvm::createPostDomTree() {
- return new PostDominatorTreeWrapperPass();
+void PostDominatorTree::print(raw_ostream &OS, const Module *) const {
+ DT->print(OS);
}
-char PostDominatorTreeAnalysis::PassID;
-PostDominatorTree PostDominatorTreeAnalysis::run(Function &F) {
- PostDominatorTree PDT;
- PDT.recalculate(F);
- return PDT;
+FunctionPass* llvm::createPostDomTree() {
+ return new PostDominatorTree();
}
-PostDominatorTreePrinterPass::PostDominatorTreePrinterPass(raw_ostream &OS)
- : OS(OS) {}
-
-PreservedAnalyses
-PostDominatorTreePrinterPass::run(Function &F, FunctionAnalysisManager *AM) {
- OS << "PostDominatorTree for function: " << F.getName() << "\n";
- AM->getResult<PostDominatorTreeAnalysis>(F).print(OS);
-
- return PreservedAnalyses::all();
-}
Modified: llvm/trunk/lib/Analysis/RegionInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/RegionInfo.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/RegionInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/RegionInfo.cpp Thu Feb 25 10:45:53 2016
@@ -128,7 +128,7 @@ bool RegionInfoPass::runOnFunction(Funct
releaseMemory();
auto DT = &getAnalysis<DominatorTreeWrapperPass>().getDomTree();
- auto PDT = &getAnalysis<PostDominatorTreeWrapperPass>().getPostDomTree();
+ auto PDT = &getAnalysis<PostDominatorTree>();
auto DF = &getAnalysis<DominanceFrontier>();
RI.recalculate(F, DT, PDT, DF);
@@ -146,8 +146,8 @@ void RegionInfoPass::verifyAnalysis() co
void RegionInfoPass::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequiredTransitive<DominatorTreeWrapperPass>();
+ AU.addRequired<PostDominatorTree>();
AU.addRequired<DominanceFrontier>();
- AU.addRequired<PostDominatorTreeWrapperPass>();
}
void RegionInfoPass::print(raw_ostream &OS, const Module *) const {
@@ -165,8 +165,8 @@ char RegionInfoPass::ID = 0;
INITIALIZE_PASS_BEGIN(RegionInfoPass, "regions",
"Detect single entry single exit regions", true, true)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
+INITIALIZE_PASS_DEPENDENCY(PostDominatorTree)
INITIALIZE_PASS_DEPENDENCY(DominanceFrontier)
-INITIALIZE_PASS_DEPENDENCY(PostDominatorTreeWrapperPass)
INITIALIZE_PASS_END(RegionInfoPass, "regions",
"Detect single entry single exit regions", true, true)
Modified: llvm/trunk/lib/CodeGen/MachineRegionInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/MachineRegionInfo.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/MachineRegionInfo.cpp (original)
+++ llvm/trunk/lib/CodeGen/MachineRegionInfo.cpp Thu Feb 25 10:45:53 2016
@@ -104,7 +104,7 @@ void MachineRegionInfoPass::verifyAnalys
void MachineRegionInfoPass::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
AU.addRequiredTransitive<DominatorTreeWrapperPass>();
- AU.addRequired<PostDominatorTreeWrapperPass>();
+ AU.addRequired<PostDominatorTree>();
AU.addRequired<DominanceFrontier>();
}
Modified: llvm/trunk/lib/Passes/PassBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Passes/PassBuilder.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/Passes/PassBuilder.cpp (original)
+++ llvm/trunk/lib/Passes/PassBuilder.cpp Thu Feb 25 10:45:53 2016
@@ -24,7 +24,6 @@
#include "llvm/Analysis/CGSCCPassManager.h"
#include "llvm/Analysis/LazyCallGraph.h"
#include "llvm/Analysis/LoopInfo.h"
-#include "llvm/Analysis/PostDominators.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/Analysis/ScalarEvolutionAliasAnalysis.h"
#include "llvm/Analysis/ScopedNoAliasAA.h"
Modified: llvm/trunk/lib/Passes/PassRegistry.def
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Passes/PassRegistry.def?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/lib/Passes/PassRegistry.def (original)
+++ llvm/trunk/lib/Passes/PassRegistry.def Thu Feb 25 10:45:53 2016
@@ -57,7 +57,6 @@ CGSCC_PASS("no-op-cgscc", NoOpCGSCCPass(
FUNCTION_ANALYSIS("aa", AAManager())
FUNCTION_ANALYSIS("assumptions", AssumptionAnalysis())
FUNCTION_ANALYSIS("domtree", DominatorTreeAnalysis())
-FUNCTION_ANALYSIS("postdomtree", PostDominatorTreeAnalysis())
FUNCTION_ANALYSIS("loops", LoopAnalysis())
FUNCTION_ANALYSIS("no-op-function", NoOpFunctionAnalysis())
FUNCTION_ANALYSIS("scalar-evolution", ScalarEvolutionAnalysis())
@@ -90,7 +89,6 @@ FUNCTION_PASS("lower-expect", LowerExpec
FUNCTION_PASS("print", PrintFunctionPass(dbgs()))
FUNCTION_PASS("print<assumptions>", AssumptionPrinterPass(dbgs()))
FUNCTION_PASS("print<domtree>", DominatorTreePrinterPass(dbgs()))
-FUNCTION_PASS("print<postdomtree>", PostDominatorTreePrinterPass(dbgs()))
FUNCTION_PASS("print<loops>", LoopPrinterPass(dbgs()))
FUNCTION_PASS("print<scalar-evolution>", ScalarEvolutionPrinterPass(dbgs()))
FUNCTION_PASS("simplify-cfg", SimplifyCFGPass())
Modified: llvm/trunk/test/Analysis/PostDominators/pr1098.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Analysis/PostDominators/pr1098.ll?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/test/Analysis/PostDominators/pr1098.ll (original)
+++ llvm/trunk/test/Analysis/PostDominators/pr1098.ll Thu Feb 25 10:45:53 2016
@@ -1,5 +1,4 @@
; RUN: opt < %s -postdomtree -analyze | FileCheck %s
-; RUN: opt < %s -passes='print<postdomtree>' 2>&1 | FileCheck %s
; PR932
define void @foo(i1 %x) {
Modified: llvm/trunk/unittests/IR/DominatorTreeTest.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/unittests/IR/DominatorTreeTest.cpp?rev=261891&r1=261890&r2=261891&view=diff
==============================================================================
--- llvm/trunk/unittests/IR/DominatorTreeTest.cpp (original)
+++ llvm/trunk/unittests/IR/DominatorTreeTest.cpp Thu Feb 25 10:45:53 2016
@@ -29,8 +29,7 @@ namespace llvm {
bool runOnFunction(Function &F) override {
DominatorTree *DT =
&getAnalysis<DominatorTreeWrapperPass>().getDomTree();
- PostDominatorTree *PDT =
- &getAnalysis<PostDominatorTreeWrapperPass>().getPostDomTree();
+ PostDominatorTree *PDT = &getAnalysis<PostDominatorTree>();
Function::iterator FI = F.begin();
BasicBlock *BB0 = &*FI++;
@@ -207,7 +206,7 @@ namespace llvm {
}
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.addRequired<DominatorTreeWrapperPass>();
- AU.addRequired<PostDominatorTreeWrapperPass>();
+ AU.addRequired<PostDominatorTree>();
}
DPass() : FunctionPass(ID) {
initializeDPassPass(*PassRegistry::getPassRegistry());
@@ -256,5 +255,5 @@ namespace llvm {
INITIALIZE_PASS_BEGIN(DPass, "dpass", "dpass", false, false)
INITIALIZE_PASS_DEPENDENCY(DominatorTreeWrapperPass)
-INITIALIZE_PASS_DEPENDENCY(PostDominatorTreeWrapperPass)
+INITIALIZE_PASS_DEPENDENCY(PostDominatorTree)
INITIALIZE_PASS_END(DPass, "dpass", "dpass", false, false)
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