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https://github.com/c64scene-ar/llvm-6502.git
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95764ec6ed
The specializations were broken. For example,
void foo(const CallGraph *G) {
auto I = GraphTraits<const CallGraph *>::nodes_begin(G);
auto K = I++;
...
}
or
void bar(const CallGraphNode *N) {
auto I = GraphTraits<const CallGraphNode *>::nodes_begin(G);
auto K = I++;
....
}
would not compile.
Patch by Speziale Ettore!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222149 91177308-0d34-0410-b5e6-96231b3b80d8
63 lines
2.0 KiB
C++
63 lines
2.0 KiB
C++
//=======- CallGraphTest.cpp - Unit tests for the CG analysis -------------===//
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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/Analysis/CallGraph.h"
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#include "llvm/IR/LLVMContext.h"
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#include "llvm/IR/Module.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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template <typename Ty> void canSpecializeGraphTraitsIterators(Ty *G) {
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typedef typename GraphTraits<Ty *>::NodeType NodeTy;
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auto I = GraphTraits<Ty *>::nodes_begin(G);
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auto E = GraphTraits<Ty *>::nodes_end(G);
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auto X = ++I;
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// Should be able to iterate over all nodes of the graph.
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static_assert(std::is_same<decltype(*I), NodeTy &>::value,
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"Node type does not match");
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static_assert(std::is_same<decltype(*X), NodeTy &>::value,
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"Node type does not match");
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static_assert(std::is_same<decltype(*E), NodeTy &>::value,
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"Node type does not match");
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NodeTy *N = GraphTraits<Ty *>::getEntryNode(G);
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auto S = GraphTraits<NodeTy *>::child_begin(N);
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auto F = GraphTraits<NodeTy *>::child_end(N);
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auto Y = ++S;
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// Should be able to iterate over immediate successors of a node.
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static_assert(std::is_same<decltype(*S), NodeTy *>::value,
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"Node type does not match");
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static_assert(std::is_same<decltype(*F), NodeTy *>::value,
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"Node type does not match");
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static_assert(std::is_same<decltype(*Y), NodeTy *>::value,
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"Node type does not match");
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}
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TEST(CallGraphTest, GraphTraitsSpecialization) {
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Module M("", getGlobalContext());
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CallGraph CG(M);
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canSpecializeGraphTraitsIterators(&CG);
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}
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TEST(CallGraphTest, GraphTraitsConstSpecialization) {
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Module M("", getGlobalContext());
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CallGraph CG(M);
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canSpecializeGraphTraitsIterators(const_cast<const CallGraph *>(&CG));
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}
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}
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