38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
//===- PostOrderIteratorTest.cpp - PostOrderIterator unit tests -----------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/PostOrderIterator.h"
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#include "llvm/IR/BasicBlock.h"
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#include "llvm/IR/CFG.h"
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#include "gtest/gtest.h"
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using namespace llvm;
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namespace {
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// Whether we're able to compile
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TEST(PostOrderIteratorTest, Compiles) {
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typedef SmallPtrSet<void *, 4> ExtSetTy;
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// Tests that template specializations are kept up to date
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void *Null = nullptr;
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po_iterator_storage<std::set<void *>, false> PIS;
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PIS.insertEdge(Optional<void *>(), Null);
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ExtSetTy Ext;
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po_iterator_storage<ExtSetTy, true> PISExt(Ext);
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PIS.insertEdge(Optional<void *>(), Null);
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// Test above, but going through po_iterator (which inherits from template
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// base)
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BasicBlock *NullBB = nullptr;
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auto PI = po_end(NullBB);
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PI.insertEdge(Optional<BasicBlock *>(), NullBB);
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auto PIExt = po_ext_end(NullBB, Ext);
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PIExt.insertEdge(Optional<BasicBlock *>(), NullBB);
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}
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}
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