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authorMatt Arsenault <Matthew.Arsenault@amd.com>2014-07-12 21:59:52 +0000
committerMatt Arsenault <Matthew.Arsenault@amd.com>2014-07-12 21:59:52 +0000
commit4181ea36a9e651aa991560f87106bb1d9c5dc619 (patch)
tree387b85600dacf0d727e88d6ee63b0ef91a166502 /llvm/lib/CodeGen/MachineDominanceFrontier.cpp
parentc25d5cc77781096c9661bbff1f1ed0ded4a3ae11 (diff)
downloadbcm5719-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.cpp54
1 files changed, 54 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/MachineDominanceFrontier.cpp b/llvm/lib/CodeGen/MachineDominanceFrontier.cpp
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+++ 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);
+}
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