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author | Devang Patel <dpatel@apple.com> | 2006-11-07 21:31:57 +0000 |
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committer | Devang Patel <dpatel@apple.com> | 2006-11-07 21:31:57 +0000 |
commit | 55fd43f90913676682487f89f27c756adb827f66 (patch) | |
tree | 0a1cec4c57489fde913569f17a22957535a6636f | |
parent | fffcd69709142c1afef256fff21585ba642734a8 (diff) | |
download | external_llvm-55fd43f90913676682487f89f27c756adb827f66.tar.gz external_llvm-55fd43f90913676682487f89f27c756adb827f66.tar.bz2 external_llvm-55fd43f90913676682487f89f27c756adb827f66.zip |
Add BasicBlockPassManager_New.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31513 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/PassManager.h | 23 | ||||
-rw-r--r-- | lib/VMCore/PassManager.cpp | 56 |
2 files changed, 79 insertions, 0 deletions
diff --git a/include/llvm/PassManager.h b/include/llvm/PassManager.h index 7d4a2df6d1..2769a4dbf2 100644 --- a/include/llvm/PassManager.h +++ b/include/llvm/PassManager.h @@ -17,6 +17,9 @@ #ifndef LLVM_PASSMANAGER_H #define LLVM_PASSMANAGER_H +#include "llvm/Pass.h" +#include <vector> + namespace llvm { class Pass; @@ -85,6 +88,26 @@ public: bool doFinalization(); }; +/// BasicBlockpassManager_New manages BasicBlockPass. It batches all the +/// pass together and sequence them to process one basic block before +/// processing next basic block. +class BasicBlockPassManager_New: public Pass { + +public: + BasicBlockPassManager_New() { } + + /// Add a pass into a passmanager queue. + bool addPass(Pass *p); + + /// Execute all of the passes scheduled for execution. Keep track of + /// whether any of the passes modifies the function, and if so, return true. + bool runOnFunction(Function &F); + +private: + // Collection of pass that are not yet scheduled + std::vector<Pass *> PassVector; +}; + } // End llvm namespace #endif diff --git a/lib/VMCore/PassManager.cpp b/lib/VMCore/PassManager.cpp new file mode 100644 index 0000000000..bd8faac60a --- /dev/null +++ b/lib/VMCore/PassManager.cpp @@ -0,0 +1,56 @@ +//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by the LLVM research group and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file implements the LLVM Pass Manager infrastructure. +// +//===----------------------------------------------------------------------===// + + +#include "llvm/PassManager.h" +#include "llvm/Function.h" +#include "llvm/Module.h" + +using namespace llvm; + +/// BasicBlockPassManager implementation + +/// Add pass P into PassVector and return TRUE. If this pass is not +/// manageable by this manager then return FALSE. +bool +BasicBlockPassManager_New::addPass (Pass *P) { + + BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); + if (!BP) + return false; + + // TODO: Check if it suitable to manage P using this BasicBlockPassManager + // or we need another instance of BasicBlockPassManager + + // Add pass + PassVector.push_back(BP); + return true; +} + +/// Execute all of the passes scheduled for execution by invoking +/// runOnBasicBlock method. Keep track of whether any of the passes modifies +/// the function, and if so, return true. +bool +BasicBlockPassManager_New::runOnFunction(Function &F) { + + bool Changed = false; + for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) + for (std::vector<Pass *>::iterator itr = PassVector.begin(), + e = PassVector.end(); itr != e; ++itr) { + Pass *P = *itr; + BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); + Changed |= BP->runOnBasicBlock(*I); + } + return Changed; +} + |