mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-07-08 18:30:04 +00:00
Call doInitialization(), releaseMemory(), and doFinalization() for on-the-fly passes as well.
Also don't call finalizers for LoopPass if initialization was not called. Add a unittest that tests that these methods are called, in the proper order, and the correct number of times. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74438 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Torok Edwin
parent
23737e0423
commit
1970a89a49
@ -195,6 +195,9 @@ bool LPPassManager::runOnFunction(Function &F) {
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for (LoopInfo::iterator I = LI->begin(), E = LI->end(); I != E; ++I)
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addLoopIntoQueue(*I, LQ);
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if (LQ.empty()) // No loops, skip calling finalizers
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return false;
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// Initialization
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for (std::deque<Loop *>::const_iterator I = LQ.begin(), E = LQ.end();
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I != E; ++I) {
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@ -165,11 +165,13 @@ namespace llvm {
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class FunctionPassManagerImpl : public Pass,
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public PMDataManager,
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public PMTopLevelManager {
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private:
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bool wasRun;
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public:
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static char ID;
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explicit FunctionPassManagerImpl(int Depth) :
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Pass(&ID), PMDataManager(Depth),
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PMTopLevelManager(TLM_Function) { }
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PMTopLevelManager(TLM_Function), wasRun(false) { }
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/// add - Add a pass to the queue of passes to run. This passes ownership of
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/// the Pass to the PassManager. When the PassManager is destroyed, the pass
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@ -179,6 +181,10 @@ public:
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schedulePass(P);
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}
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// Prepare for running an on the fly pass, freeing memory if needed
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// from a previous run.
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void releaseMemoryOnTheFly();
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/// run - Execute all of the passes scheduled for execution. Keep track of
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/// whether any of the passes modifies the module, and if so, return true.
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bool run(Function &F);
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@ -1290,6 +1296,17 @@ void FPPassManager::cleanup() {
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}
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}
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void FunctionPassManagerImpl::releaseMemoryOnTheFly() {
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if (!wasRun)
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return;
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for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) {
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FPPassManager *FPPM = getContainedManager(Index);
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for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) {
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FPPM->getContainedPass(Index)->releaseMemory();
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}
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}
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}
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// Execute all the passes managed by this top level manager.
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// Return true if any function is modified by a pass.
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bool FunctionPassManagerImpl::run(Function &F) {
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@ -1306,6 +1323,7 @@ bool FunctionPassManagerImpl::run(Function &F) {
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for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index)
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getContainedManager(Index)->cleanup();
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wasRun = true;
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return Changed;
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}
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@ -1404,6 +1422,14 @@ bool
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MPPassManager::runOnModule(Module &M) {
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bool Changed = false;
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// Initialize on-the-fly passes
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for (std::map<Pass *, FunctionPassManagerImpl *>::iterator
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I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end();
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I != E; ++I) {
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FunctionPassManagerImpl *FPP = I->second;
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Changed |= FPP->doInitialization(M);
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}
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for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
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ModulePass *MP = getContainedPass(Index);
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@ -1430,6 +1456,17 @@ MPPassManager::runOnModule(Module &M) {
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recordAvailableAnalysis(MP);
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removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG);
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}
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// Finalize on-the-fly passes
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for (std::map<Pass *, FunctionPassManagerImpl *>::iterator
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I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end();
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I != E; ++I) {
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FunctionPassManagerImpl *FPP = I->second;
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// We don't know when is the last time an on-the-fly pass is run,
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// so we need to releaseMemory / finalize here
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FPP->releaseMemoryOnTheFly();
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Changed |= FPP->doFinalization(M);
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}
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return Changed;
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}
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@ -1466,6 +1503,7 @@ Pass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){
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FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP];
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assert(FPP && "Unable to find on the fly pass");
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FPP->releaseMemoryOnTheFly();
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FPP->run(F);
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return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI);
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}
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@ -9,7 +9,7 @@
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LEVEL = ../..
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TESTNAME = VMCore
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LINK_COMPONENTS := core support
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LINK_COMPONENTS := core support target ipa
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include $(LEVEL)/Makefile.config
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include $(LLVM_SRC_ROOT)/unittests/Makefile.unittest
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526
unittests/VMCore/PassManagerTest.cpp
Normal file
526
unittests/VMCore/PassManagerTest.cpp
Normal file
@ -0,0 +1,526 @@
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//===- llvm/unittest/VMCore/PassManager.cpp - Constants unit tests ------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Module.h"
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#include "llvm/PassManager.h"
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#include "llvm/Analysis/LoopInfo.h"
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#include "llvm/Pass.h"
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#include "llvm/Analysis/LoopPass.h"
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#include "llvm/CallGraphSCCPass.h"
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#include "llvm/Target/TargetData.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/DerivedTypes.h"
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#include "llvm/Constants.h"
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#include "llvm/GlobalVariable.h"
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#include "llvm/Function.h"
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#include "llvm/CallingConv.h"
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#include "llvm/BasicBlock.h"
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#include "llvm/Instructions.h"
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#include "llvm/InlineAsm.h"
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#include "llvm/Support/MathExtras.h"
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#include "llvm/Support/raw_ostream.h"
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#include "llvm/PassManager.h"
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/Analysis/Verifier.h"
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#include "llvm/Assembly/PrintModulePass.h"
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#include "gtest/gtest.h"
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namespace llvm {
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namespace {
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// ND = no deps
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// NM = no modifications
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struct ModuleNDNM: public ModulePass {
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public:
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static char run;
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static char ID;
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ModuleNDNM() : ModulePass(&ID) {}
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virtual bool runOnModule(Module &M) {
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run++;
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return false;
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}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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}
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};
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char ModuleNDNM::ID=0;
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char ModuleNDNM::run=0;
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struct ModuleNDM : public ModulePass {
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public:
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static char run;
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static char ID;
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ModuleNDM() : ModulePass(&ID) {}
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virtual bool runOnModule(Module &M) {
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run++;
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return true;
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}
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};
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char ModuleNDM::ID=0;
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char ModuleNDM::run=0;
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RegisterPass<ModuleNDM> X("mndm","mndm",false,false);
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struct ModuleNDM2 : public ModulePass {
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public:
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static char run;
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static char ID;
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ModuleNDM2() : ModulePass(&ID) {}
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virtual bool runOnModule(Module &M) {
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run++;
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return true;
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}
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};
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char ModuleNDM2::ID=0;
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char ModuleNDM2::run=0;
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struct ModuleDNM : public ModulePass {
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public:
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static char run;
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static char ID;
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ModuleDNM() : ModulePass(&ID) {}
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virtual bool runOnModule(Module &M) {
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EXPECT_TRUE(getAnalysisIfAvailable<TargetData>());
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run++;
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return false;
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}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.addRequired<ModuleNDM>();
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AU.setPreservesAll();
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}
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};
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char ModuleDNM::ID=0;
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char ModuleDNM::run=0;
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template<typename P>
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struct PassTestBase : public P {
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protected:
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static int runc;
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static bool initialized;
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static bool finalized;
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int allocated;
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void run() {
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EXPECT_EQ(true, initialized);
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EXPECT_EQ(false, finalized);
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EXPECT_EQ(0, allocated);
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allocated++;
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runc++;
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}
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public:
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static char ID;
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static void finishedOK(int run) {
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EXPECT_GT(runc, 0);
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EXPECT_EQ(true, initialized);
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EXPECT_EQ(true, finalized);
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EXPECT_EQ(run, runc);
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}
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PassTestBase() : P(&ID), allocated(0) {
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initialized = false;
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finalized = false;
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runc = 0;
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}
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virtual void releaseMemory() {
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EXPECT_GT(runc, 0);
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EXPECT_GT(allocated, 0);
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allocated--;
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}
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};
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template<typename P> char PassTestBase<P>::ID;
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template<typename P> int PassTestBase<P>::runc;
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template<typename P> bool PassTestBase<P>::initialized;
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template<typename P> bool PassTestBase<P>::finalized;
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template<typename T, typename P>
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struct PassTest : public PassTestBase<P> {
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public:
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virtual bool doInitialization(T &t) {
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EXPECT_EQ(false, PassTestBase<P>::initialized);
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PassTestBase<P>::initialized = true;
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return false;
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}
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virtual bool doFinalization(T &t) {
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EXPECT_EQ(false, PassTestBase<P>::finalized);
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PassTestBase<P>::finalized = true;
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EXPECT_EQ(0, PassTestBase<P>::allocated);
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return false;
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}
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};
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struct CGPass : public PassTest<CallGraph, CallGraphSCCPass> {
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public:
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virtual bool runOnSCC(const std::vector<CallGraphNode*> &SCMM) {
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EXPECT_TRUE(getAnalysisIfAvailable<TargetData>());
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run();
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return false;
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}
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};
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RegisterPass<CGPass> X1("cgp","cgp");
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struct FPass : public PassTest<Module, FunctionPass> {
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public:
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virtual bool runOnFunction(Function &F) {
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// FIXME: PR4112
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// EXPECT_TRUE(getAnalysisIfAvailable<TargetData>());
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run();
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return false;
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}
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};
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RegisterPass<FPass> X2("fp","fp");
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struct LPass : public PassTestBase<LoopPass> {
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private:
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static int initcount;
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static int fincount;
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public:
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LPass() {
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initcount = 0; fincount=0;
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EXPECT_EQ(false, initialized);
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}
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static void finishedOK(int run, int finalized) {
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PassTestBase<LoopPass>::finishedOK(run);
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EXPECT_EQ(run, initcount);
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EXPECT_EQ(finalized, fincount);
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}
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virtual bool doInitialization(Loop* L, LPPassManager &LPM) {
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initialized = true;
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initcount++;
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return false;
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}
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virtual bool runOnLoop(Loop *L, LPPassManager &LPM) {
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EXPECT_TRUE(getAnalysisIfAvailable<TargetData>());
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run();
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return false;
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}
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virtual bool doFinalization() {
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fincount++;
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finalized = true;
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return false;
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}
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};
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int LPass::initcount=0;
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int LPass::fincount=0;
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RegisterPass<LPass> X3("lp","lp");
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struct BPass : public PassTestBase<BasicBlockPass> {
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private:
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static int inited;
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static int fin;
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public:
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static void finishedOK(int run, int N) {
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PassTestBase<BasicBlockPass>::finishedOK(run);
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EXPECT_EQ(inited, N);
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EXPECT_EQ(fin, N);
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}
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BPass() {
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inited = 0;
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fin = 0;
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}
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virtual bool doInitialization(Module &M) {
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EXPECT_EQ(false, initialized);
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initialized = true;
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return false;
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}
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virtual bool doInitialization(Function &F) {
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inited++;
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return false;
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}
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virtual bool runOnBasicBlock(BasicBlock &BB) {
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EXPECT_TRUE(getAnalysisIfAvailable<TargetData>());
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run();
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return false;
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}
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virtual bool doFinalization(Function &F) {
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fin++;
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return false;
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}
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virtual bool doFinalization(Module &M) {
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EXPECT_EQ(false, finalized);
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finalized = true;
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EXPECT_EQ(0, allocated);
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return false;
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}
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};
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int BPass::inited=0;
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int BPass::fin=0;
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RegisterPass<BPass> X4("bp","bp");
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struct OnTheFlyTest: public ModulePass {
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public:
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static char ID;
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OnTheFlyTest() : ModulePass(&ID) {}
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virtual bool runOnModule(Module &M) {
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EXPECT_TRUE(getAnalysisIfAvailable<TargetData>());
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for (Module::iterator I=M.begin(),E=M.end(); I != E; ++I) {
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Function &F = *I;
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{
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SCOPED_TRACE("Running on the fly function pass");
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getAnalysis<FPass>(F);
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}
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}
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return false;
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}
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virtual void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.addRequired<FPass>();
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}
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};
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char OnTheFlyTest::ID=0;
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TEST(PassManager, RunOnce) {
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Module M("test-once");
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struct ModuleNDNM *mNDNM = new ModuleNDNM();
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struct ModuleDNM *mDNM = new ModuleDNM();
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struct ModuleNDM *mNDM = new ModuleNDM();
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struct ModuleNDM2 *mNDM2 = new ModuleNDM2();
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mNDM->run = mNDNM->run = mDNM->run = mNDM2->run = 0;
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PassManager Passes;
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Passes.add(new TargetData(&M));
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Passes.add(mNDM2);
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Passes.add(mNDM);
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Passes.add(mNDNM);
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Passes.add(mDNM);
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Passes.run(M);
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// each pass must be run exactly once, since nothing invalidates them
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EXPECT_EQ(1, mNDM->run);
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EXPECT_EQ(1, mNDNM->run);
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EXPECT_EQ(1, mDNM->run);
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EXPECT_EQ(1, mNDM2->run);
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}
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TEST(PassManager, ReRun) {
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Module M("test-rerun");
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struct ModuleNDNM *mNDNM = new ModuleNDNM();
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struct ModuleDNM *mDNM = new ModuleDNM();
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struct ModuleNDM *mNDM = new ModuleNDM();
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struct ModuleNDM2 *mNDM2 = new ModuleNDM2();
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mNDM->run = mNDNM->run = mDNM->run = mNDM2->run = 0;
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PassManager Passes;
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Passes.add(new TargetData(&M));
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Passes.add(mNDM);
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Passes.add(mNDNM);
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Passes.add(mNDM2);// invalidates mNDM needed by mDNM
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Passes.add(mDNM);
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Passes.run(M);
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// Some passes must be rerun because a pass that modified the
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// module/function was run inbetween
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EXPECT_EQ(2, mNDM->run);
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EXPECT_EQ(1, mNDNM->run);
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EXPECT_EQ(1, mNDM2->run);
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EXPECT_EQ(1, mDNM->run);
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}
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Module* makeLLVMModule();
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template<typename T>
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void MemoryTestHelper(int run) {
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Module *M = makeLLVMModule();
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T *P = new T();
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PassManager Passes;
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Passes.add(new TargetData(M));
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Passes.add(P);
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Passes.run(*M);
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T::finishedOK(run);
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}
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template<typename T>
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void MemoryTestHelper(int run, int N) {
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Module *M = makeLLVMModule();
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T *P = new T();
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PassManager Passes;
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Passes.add(new TargetData(M));
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Passes.add(P);
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Passes.run(*M);
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T::finishedOK(run, N);
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delete M;
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}
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TEST(PassManager, Memory) {
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// SCC#1: test1->test2->test3->test1
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// SCC#2: test4
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// SCC#3: indirect call node
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{
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SCOPED_TRACE("Callgraph pass");
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MemoryTestHelper<CGPass>(3);
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}
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|
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{
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SCOPED_TRACE("Function pass");
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MemoryTestHelper<FPass>(4);// 4 functions
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}
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|
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{
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SCOPED_TRACE("Loop pass");
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MemoryTestHelper<LPass>(2, 1); //2 loops, 1 function
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}
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{
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SCOPED_TRACE("Basic block pass");
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MemoryTestHelper<BPass>(7, 4); //9 basic blocks
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}
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||||
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}
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TEST(PassManager, MemoryOnTheFly) {
|
||||
Module *M = makeLLVMModule();
|
||||
{
|
||||
SCOPED_TRACE("Running OnTheFlyTest");
|
||||
struct OnTheFlyTest *O = new OnTheFlyTest();
|
||||
PassManager Passes;
|
||||
Passes.add(new TargetData(M));
|
||||
Passes.add(O);
|
||||
Passes.run(*M);
|
||||
|
||||
FPass::finishedOK(4);
|
||||
}
|
||||
delete M;
|
||||
}
|
||||
|
||||
Module* makeLLVMModule() {
|
||||
// Module Construction
|
||||
Module* mod = new Module("test-mem");
|
||||
mod->setDataLayout("e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-"
|
||||
"i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-"
|
||||
"a0:0:64-s0:64:64-f80:128:128");
|
||||
mod->setTargetTriple("x86_64-unknown-linux-gnu");
|
||||
|
||||
// Type Definitions
|
||||
std::vector<const Type*>FuncTy_0_args;
|
||||
FunctionType* FuncTy_0 = FunctionType::get(
|
||||
/*Result=*/IntegerType::get(32),
|
||||
/*Params=*/FuncTy_0_args,
|
||||
/*isVarArg=*/false);
|
||||
|
||||
std::vector<const Type*>FuncTy_2_args;
|
||||
FuncTy_2_args.push_back(IntegerType::get(1));
|
||||
FunctionType* FuncTy_2 = FunctionType::get(
|
||||
/*Result=*/Type::VoidTy,
|
||||
/*Params=*/FuncTy_2_args,
|
||||
/*isVarArg=*/false);
|
||||
|
||||
|
||||
// Function Declarations
|
||||
|
||||
Function* func_test1 = Function::Create(
|
||||
/*Type=*/FuncTy_0,
|
||||
/*Linkage=*/GlobalValue::ExternalLinkage,
|
||||
/*Name=*/"test1", mod);
|
||||
func_test1->setCallingConv(CallingConv::C);
|
||||
AttrListPtr func_test1_PAL;
|
||||
func_test1->setAttributes(func_test1_PAL);
|
||||
|
||||
Function* func_test2 = Function::Create(
|
||||
/*Type=*/FuncTy_0,
|
||||
/*Linkage=*/GlobalValue::ExternalLinkage,
|
||||
/*Name=*/"test2", mod);
|
||||
func_test2->setCallingConv(CallingConv::C);
|
||||
AttrListPtr func_test2_PAL;
|
||||
func_test2->setAttributes(func_test2_PAL);
|
||||
|
||||
Function* func_test3 = Function::Create(
|
||||
/*Type=*/FuncTy_0,
|
||||
/*Linkage=*/GlobalValue::ExternalLinkage,
|
||||
/*Name=*/"test3", mod);
|
||||
func_test3->setCallingConv(CallingConv::C);
|
||||
AttrListPtr func_test3_PAL;
|
||||
func_test3->setAttributes(func_test3_PAL);
|
||||
|
||||
Function* func_test4 = Function::Create(
|
||||
/*Type=*/FuncTy_2,
|
||||
/*Linkage=*/GlobalValue::ExternalLinkage,
|
||||
/*Name=*/"test4", mod);
|
||||
func_test4->setCallingConv(CallingConv::C);
|
||||
AttrListPtr func_test4_PAL;
|
||||
func_test4->setAttributes(func_test4_PAL);
|
||||
|
||||
// Global Variable Declarations
|
||||
|
||||
|
||||
// Constant Definitions
|
||||
|
||||
// Global Variable Definitions
|
||||
|
||||
// Function Definitions
|
||||
|
||||
// Function: test1 (func_test1)
|
||||
{
|
||||
|
||||
BasicBlock* label_entry = BasicBlock::Create("entry",func_test1,0);
|
||||
|
||||
// Block entry (label_entry)
|
||||
CallInst* int32_3 = CallInst::Create(func_test2, "", label_entry);
|
||||
int32_3->setCallingConv(CallingConv::C);
|
||||
int32_3->setTailCall(false);AttrListPtr int32_3_PAL;
|
||||
int32_3->setAttributes(int32_3_PAL);
|
||||
|
||||
ReturnInst::Create(int32_3, label_entry);
|
||||
|
||||
}
|
||||
|
||||
// Function: test2 (func_test2)
|
||||
{
|
||||
|
||||
BasicBlock* label_entry_5 = BasicBlock::Create("entry",func_test2,0);
|
||||
|
||||
// Block entry (label_entry_5)
|
||||
CallInst* int32_6 = CallInst::Create(func_test3, "", label_entry_5);
|
||||
int32_6->setCallingConv(CallingConv::C);
|
||||
int32_6->setTailCall(false);AttrListPtr int32_6_PAL;
|
||||
int32_6->setAttributes(int32_6_PAL);
|
||||
|
||||
ReturnInst::Create(int32_6, label_entry_5);
|
||||
|
||||
}
|
||||
|
||||
// Function: test3 (func_test3)
|
||||
{
|
||||
|
||||
BasicBlock* label_entry_8 = BasicBlock::Create("entry",func_test3,0);
|
||||
|
||||
// Block entry (label_entry_8)
|
||||
CallInst* int32_9 = CallInst::Create(func_test1, "", label_entry_8);
|
||||
int32_9->setCallingConv(CallingConv::C);
|
||||
int32_9->setTailCall(false);AttrListPtr int32_9_PAL;
|
||||
int32_9->setAttributes(int32_9_PAL);
|
||||
|
||||
ReturnInst::Create(int32_9, label_entry_8);
|
||||
|
||||
}
|
||||
|
||||
// Function: test4 (func_test4)
|
||||
{
|
||||
Function::arg_iterator args = func_test4->arg_begin();
|
||||
Value* int1_f = args++;
|
||||
int1_f->setName("f");
|
||||
|
||||
BasicBlock* label_entry_11 = BasicBlock::Create("entry",func_test4,0);
|
||||
BasicBlock* label_bb = BasicBlock::Create("bb",func_test4,0);
|
||||
BasicBlock* label_bb1 = BasicBlock::Create("bb1",func_test4,0);
|
||||
BasicBlock* label_return = BasicBlock::Create("return",func_test4,0);
|
||||
|
||||
// Block entry (label_entry_11)
|
||||
BranchInst::Create(label_bb, label_entry_11);
|
||||
|
||||
// Block bb (label_bb)
|
||||
BranchInst::Create(label_bb, label_bb1, int1_f, label_bb);
|
||||
|
||||
// Block bb1 (label_bb1)
|
||||
BranchInst::Create(label_bb1, label_return, int1_f, label_bb1);
|
||||
|
||||
// Block return (label_return)
|
||||
ReturnInst::Create(label_return);
|
||||
|
||||
}
|
||||
return mod;
|
||||
}
|
||||
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user