diff options
author | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
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committer | Dimitry Andric <dim@FreeBSD.org> | 2020-01-17 20:45:01 +0000 |
commit | 706b4fc47bbc608932d3b491ae19a3b9cde9497b (patch) | |
tree | 4adf86a776049cbf7f69a1929c4babcbbef925eb /llvm/lib/CodeGen/MachineLoopInfo.cpp | |
parent | 7cc9cf2bf09f069cb2dd947ead05d0b54301fb71 (diff) |
Notes
Diffstat (limited to 'llvm/lib/CodeGen/MachineLoopInfo.cpp')
-rw-r--r-- | llvm/lib/CodeGen/MachineLoopInfo.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineLoopInfo.cpp b/llvm/lib/CodeGen/MachineLoopInfo.cpp index 3b8b430d1b0f0..0c1439da9b299 100644 --- a/llvm/lib/CodeGen/MachineLoopInfo.cpp +++ b/llvm/lib/CodeGen/MachineLoopInfo.cpp @@ -18,6 +18,7 @@ #include "llvm/CodeGen/MachineDominators.h" #include "llvm/CodeGen/Passes.h" #include "llvm/Config/llvm-config.h" +#include "llvm/InitializePasses.h" #include "llvm/Support/Debug.h" #include "llvm/Support/raw_ostream.h" using namespace llvm; @@ -27,6 +28,9 @@ template class llvm::LoopBase<MachineBasicBlock, MachineLoop>; template class llvm::LoopInfoBase<MachineBasicBlock, MachineLoop>; char MachineLoopInfo::ID = 0; +MachineLoopInfo::MachineLoopInfo() : MachineFunctionPass(ID) { + initializeMachineLoopInfoPass(*PassRegistry::getPassRegistry()); +} INITIALIZE_PASS_BEGIN(MachineLoopInfo, "machine-loops", "Machine Natural Loop Construction", true, true) INITIALIZE_PASS_DEPENDENCY(MachineDominatorTree) @@ -36,11 +40,15 @@ INITIALIZE_PASS_END(MachineLoopInfo, "machine-loops", char &llvm::MachineLoopInfoID = MachineLoopInfo::ID; bool MachineLoopInfo::runOnMachineFunction(MachineFunction &) { - releaseMemory(); - LI.analyze(getAnalysis<MachineDominatorTree>().getBase()); + calculate(getAnalysis<MachineDominatorTree>()); return false; } +void MachineLoopInfo::calculate(MachineDominatorTree &MDT) { + releaseMemory(); + LI.analyze(MDT.getBase()); +} + void MachineLoopInfo::getAnalysisUsage(AnalysisUsage &AU) const { AU.setPreservesAll(); AU.addRequired<MachineDominatorTree>(); |