From b5500b9ca0102f1ccaf32f0e77e96d0739aded9b Mon Sep 17 00:00:00 2001
From: pascal <pascal@openbsd.org>
Date: Sat, 3 Sep 2016 22:46:54 +0000
Subject: Use the space freed up by sparc and zaurus to import LLVM.

ok hackroom@
---
 gnu/llvm/lib/CodeGen/MachinePostDominators.cpp | 55 ++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 gnu/llvm/lib/CodeGen/MachinePostDominators.cpp

(limited to 'gnu/llvm/lib/CodeGen/MachinePostDominators.cpp')

diff --git a/gnu/llvm/lib/CodeGen/MachinePostDominators.cpp b/gnu/llvm/lib/CodeGen/MachinePostDominators.cpp
new file mode 100644
index 00000000000..c3f6e9249e7
--- /dev/null
+++ b/gnu/llvm/lib/CodeGen/MachinePostDominators.cpp
@@ -0,0 +1,55 @@
+//===- MachinePostDominators.cpp -Machine Post Dominator Calculation ------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements simple dominator construction algorithms for finding
+// post dominators on machine functions.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/CodeGen/MachinePostDominators.h"
+
+using namespace llvm;
+
+char MachinePostDominatorTree::ID = 0;
+
+//declare initializeMachinePostDominatorTreePass
+INITIALIZE_PASS(MachinePostDominatorTree, "machinepostdomtree",
+                "MachinePostDominator Tree Construction", true, true)
+
+MachinePostDominatorTree::MachinePostDominatorTree() : MachineFunctionPass(ID) {
+  initializeMachinePostDominatorTreePass(*PassRegistry::getPassRegistry());
+  DT = new DominatorTreeBase<MachineBasicBlock>(true); //true indicate
+                                                       // postdominator
+}
+
+FunctionPass *
+MachinePostDominatorTree::createMachinePostDominatorTreePass() {
+  return new MachinePostDominatorTree();
+}
+
+bool
+MachinePostDominatorTree::runOnMachineFunction(MachineFunction &F) {
+  DT->recalculate(F);
+  return false;
+}
+
+MachinePostDominatorTree::~MachinePostDominatorTree() {
+  delete DT;
+}
+
+void
+MachinePostDominatorTree::getAnalysisUsage(AnalysisUsage &AU) const {
+  AU.setPreservesAll();
+  MachineFunctionPass::getAnalysisUsage(AU);
+}
+
+void
+MachinePostDominatorTree::print(llvm::raw_ostream &OS, const Module *M) const {
+  DT->print(OS);
+}
-- 
cgit v1.2.3-59-g8ed1b