diff options
Diffstat (limited to 'gcc/testsuite/g++.dg/torture/pr41775.C')
| -rw-r--r-- | gcc/testsuite/g++.dg/torture/pr41775.C | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/pr41775.C b/gcc/testsuite/g++.dg/torture/pr41775.C new file mode 100644 index 000000000..3d8548e3f --- /dev/null +++ b/gcc/testsuite/g++.dg/torture/pr41775.C @@ -0,0 +1,284 @@ +/* { dg-do compile } */ +/* { dg-require-visibility "" } */ + +typedef unsigned int size_t; +namespace std __attribute__ ((__visibility__ ("default"))) +{ + template < typename _Iterator > struct iterator_traits + { + }; + template < typename _Tp > struct iterator_traits <_Tp * > + { + typedef _Tp & reference; + }; +} + +namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) +{ + using std::iterator_traits; + template < typename _Iterator, typename _Container > class __normal_iterator + { + public:typedef _Iterator iterator_type; + typedef typename iterator_traits < _Iterator >::reference reference; + reference operator* () const + { + } + __normal_iterator operator++ (int) + { + } + }; + template < typename _IteratorL, typename _IteratorR, + typename _Container > inline bool operator!= (const __normal_iterator < + _IteratorL, + _Container > &__lhs, + const __normal_iterator < + _IteratorR, + _Container > &__rhs) + { + } +} + +extern "C" +{ + extern "C" + { + __extension__ typedef __SIZE_TYPE__ __intptr_t; + } +} +namespace __gnu_cxx __attribute__ ((__visibility__ ("default"))) +{ + template < typename _Tp > class new_allocator + { + public:typedef size_t size_type; + typedef _Tp *pointer; + template < typename _Tp1 > struct rebind + { + typedef new_allocator < _Tp1 > other; + }; + }; +} + +namespace std __attribute__ ((__visibility__ ("default"))) +{ +template < typename _Tp > class allocator:public __gnu_cxx::new_allocator < + _Tp > + { + }; +} + +extern "C" +{ + typedef __intptr_t intptr_t; +} +namespace llvm +{ + template < typename NodeTy > class ilist_half_node + { + }; +template < typename NodeTy > class ilist_node:private ilist_half_node < + NodeTy > + { + }; + class MachineBasicBlock; + class MachineOperand + { + public:enum MachineOperandType + { + } + Contents; + unsigned getReg () const + { + } + }; + class TargetRegisterInfo; +} + +namespace std __attribute__ ((__visibility__ ("default"))) +{ + template < typename _Tp, typename _Alloc > struct _Vector_base + { + typedef typename _Alloc::template rebind < _Tp >::other _Tp_alloc_type; + }; +template < typename _Tp, typename _Alloc = std::allocator < _Tp > >class vector:protected _Vector_base < _Tp, + _Alloc + > + { + typedef _Vector_base < _Tp, _Alloc > _Base; + typedef typename _Base::_Tp_alloc_type _Tp_alloc_type; + public:typedef _Tp value_type; + typedef typename _Tp_alloc_type::pointer pointer; + typedef __gnu_cxx::__normal_iterator < pointer, vector > iterator; + iterator begin () + { + } + iterator end () + { + } + }; +} + +namespace llvm +{ + class MachineFunction; + class MachineInstr:public ilist_node < MachineInstr > + { + public:const MachineBasicBlock *getParent () const + { + } + const MachineOperand & getOperand (unsigned i) const + { + } + bool registerDefIsDead (unsigned Reg, const TargetRegisterInfo * TRI = + __null) const + { + } + }; + class AnalysisResolver; + class Pass + { + AnalysisResolver *Resolver; + intptr_t PassID; + public: explicit Pass (intptr_t pid):Resolver (0), PassID (pid) + { + } + explicit Pass (const void *pid):Resolver (0), PassID ((intptr_t) pid) + { + } + template < typename AnalysisType > AnalysisType & getAnalysis () const; + }; + class FunctionPass:public Pass + { + public:explicit FunctionPass (intptr_t pid):Pass (pid) + { + } + explicit FunctionPass (const void *pid):Pass (pid) + { + } + }; + class PassInfo + { + public:typedef Pass *(*NormalCtor_t) (); + private:const char *const PassName; + const char *const PassArgument; + const intptr_t PassID; + const bool IsCFGOnlyPass; + const bool IsAnalysis; + const bool IsAnalysisGroup; + NormalCtor_t NormalCtor; + public: PassInfo (const char *name, const char *arg, intptr_t pi, NormalCtor_t normal = 0, bool isCFGOnly = false, bool is_analysis = false):PassName (name), PassArgument (arg), PassID (pi), + IsCFGOnlyPass (isCFGOnly), IsAnalysis (is_analysis), + IsAnalysisGroup (false), NormalCtor (normal) + { + } + }; + template < typename PassName > Pass * callDefaultCtor () + { + return new PassName (); + } + template < typename passName > struct RegisterPass:public PassInfo + { + RegisterPass (const char *PassArg, const char *Name, bool CFGOnly = false, bool is_analysis = false):PassInfo (Name, PassArg, intptr_t (&passName::ID), + PassInfo::NormalCtor_t (callDefaultCtor < passName >), CFGOnly, + is_analysis) + { + } + }; + template < typename T > class SmallVectorImpl + { + }; + template < typename T, + unsigned N > class SmallVector:public SmallVectorImpl < T > + { + }; + class MachineFunctionPass:public FunctionPass + { + protected:explicit MachineFunctionPass (intptr_t ID):FunctionPass (ID) + { + } + explicit MachineFunctionPass (void *ID):FunctionPass (ID) + { + } + virtual bool runOnMachineFunction (MachineFunction & MF) = 0; + }; + class LiveIndex + { + private:unsigned index; + }; + class VNInfo + { + }; + struct LiveRange + { + LiveIndex start; + LiveIndex end; + VNInfo *valno; + }; + class LiveInterval + { + public:typedef SmallVector < LiveRange, 4 > Ranges; + bool containsOneValue () const + { + } + LiveRange *getLiveRangeContaining (LiveIndex Idx) + { + } + void removeRange (LiveIndex Start, LiveIndex End, bool RemoveDeadValNo = + false); + void removeRange (LiveRange LR, bool RemoveDeadValNo = false) + { + removeRange (LR.start, LR.end, RemoveDeadValNo); + } + }; + class LiveIntervals:public MachineFunctionPass + { + public:static char ID; + LiveIndex getDefIndex (LiveIndex index) + { + } + LiveInterval & getInterval (unsigned reg) + { + } + LiveIndex getInstructionIndex (const MachineInstr * instr) const + { + } + }; +} + +using namespace llvm; +namespace +{ +struct __attribute__ ((visibility ("hidden"))) StrongPHIElimination:public + MachineFunctionPass + { + static char ID; + StrongPHIElimination ():MachineFunctionPass (&ID) + { + } + bool runOnMachineFunction (MachineFunction & Fn); + }; +} + +static RegisterPass < StrongPHIElimination > X ("strong-phi-node-elimination", + "Eliminate PHI nodes for register allocation, intelligently"); +bool +StrongPHIElimination::runOnMachineFunction (MachineFunction & Fn) +{ + LiveIntervals & LI = getAnalysis < LiveIntervals > (); + std::vector < MachineInstr * >phis; + for (std::vector < MachineInstr * >::iterator I = phis.begin (), E = + phis.end (); I != E;) + { + MachineInstr *PInstr = *(I++); + unsigned DestReg = PInstr->getOperand (0).getReg (); + LiveInterval & PI = LI.getInterval (DestReg); + if (PInstr->registerDefIsDead (DestReg)) + { + if (PI.containsOneValue ()) + { + LiveIndex idx = + LI.getDefIndex (LI.getInstructionIndex (PInstr)); + PI.removeRange (*PI.getLiveRangeContaining (idx), true); + } + } + } +} |