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author | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-07-12 21:59:52 +0000 |
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committer | Matt Arsenault <Matthew.Arsenault@amd.com> | 2014-07-12 21:59:52 +0000 |
commit | 4181ea36a9e651aa991560f87106bb1d9c5dc619 (patch) | |
tree | 387b85600dacf0d727e88d6ee63b0ef91a166502 /llvm/lib/CodeGen/MachineDominanceFrontier.cpp | |
parent | c25d5cc77781096c9661bbff1f1ed0ded4a3ae11 (diff) | |
download | bcm5719-llvm-4181ea36a9e651aa991560f87106bb1d9c5dc619.tar.gz bcm5719-llvm-4181ea36a9e651aa991560f87106bb1d9c5dc619.zip |
Templatify DominanceFrontier.
Theoretically this should now work for MachineBasicBlocks.
llvm-svn: 212885
Diffstat (limited to 'llvm/lib/CodeGen/MachineDominanceFrontier.cpp')
-rw-r--r-- | llvm/lib/CodeGen/MachineDominanceFrontier.cpp | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineDominanceFrontier.cpp b/llvm/lib/CodeGen/MachineDominanceFrontier.cpp new file mode 100644 index 00000000000..0bee84668f0 --- /dev/null +++ b/llvm/lib/CodeGen/MachineDominanceFrontier.cpp @@ -0,0 +1,54 @@ +//===- MachineDominanceFrontier.cpp ---------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/CodeGen/MachineDominanceFrontier.h" +#include "llvm/CodeGen/MachineDominators.h" +#include "llvm/Analysis/DominanceFrontierImpl.h" +#include "llvm/CodeGen/Passes.h" + + +using namespace llvm; + +namespace llvm { +template class DominanceFrontierBase<MachineBasicBlock>; +template class ForwardDominanceFrontierBase<MachineBasicBlock>; +} + + +char MachineDominanceFrontier::ID = 0; + +INITIALIZE_PASS_BEGIN(MachineDominanceFrontier, "machine-domfrontier", + "Machine Dominance Frontier Construction", true, true) +INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree) +INITIALIZE_PASS_END(MachineDominanceFrontier, "machine-domfrontier", + "Machine Dominance Frontier Construction", true, true) + +MachineDominanceFrontier::MachineDominanceFrontier() + : MachineFunctionPass(ID), + Base() { + initializeMachineDominanceFrontierPass(*PassRegistry::getPassRegistry()); +} + +char &llvm::MachineDominanceFrontierID = MachineDominanceFrontier::ID; + +bool MachineDominanceFrontier::runOnMachineFunction(MachineFunction &) { + releaseMemory(); + Base.analyze(getAnalysis<MachineDominatorTree>().getBase()); + return false; +} + +void MachineDominanceFrontier::releaseMemory() { + Base.releaseMemory(); +} + +void MachineDominanceFrontier::getAnalysisUsage(AnalysisUsage &AU) const { + AU.setPreservesAll(); + AU.addRequired<MachineDominatorTree>(); + MachineFunctionPass::getAnalysisUsage(AU); +} |