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Stabilize 'getDwarfRegNumFull' output to not depend on random memory

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orders, part of PR2590


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55359 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2008-08-26 06:43:25 +00:00
parent 6ba50a9252
commit 690d80eefe
3 changed files with 25 additions and 22 deletions
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17
utils/TableGen/Record.h
View File

@ -1175,6 +1175,23 @@ public:
void dump() const;
};
/// LessRecord - Sorting predicate to sort record pointers by name.
///
struct LessRecord {
bool operator()(const Record *Rec1, const Record *Rec2) const {
return Rec1->getName() < Rec2->getName();
}
};
/// LessRecord - Sorting predicate to sort record pointers by their name field.
///
struct LessRecordFieldName {
bool operator()(const Record *Rec1, const Record *Rec2) const {
return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name");
}
};
std::ostream &operator<<(std::ostream &OS, const RecordKeeper &RK);
extern RecordKeeper Records;

10
utils/TableGen/RegisterInfoEmitter.cpp
View File

@ -422,7 +422,8 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
std::map<Record*, std::set<Record*> > RegisterSuperRegs;
std::map<Record*, std::set<Record*> > RegisterAliases;
std::map<Record*, std::vector<std::pair<int, Record*> > > SubRegVectors;
std::map<Record*, std::vector<int> > DwarfRegNums;
typedef std::map<Record*, std::vector<int>, LessRecord> DwarfRegNumsMapTy;
DwarfRegNumsMapTy DwarfRegNums;
const std::vector<CodeGenRegister> &Regs = Target.getRegisters();
@ -693,7 +694,7 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
}
// Now we know maximal length of number list. Append -1's, where needed
for (std::map<Record*, std::vector<int> >::iterator
for (DwarfRegNumsMapTy::iterator
I = DwarfRegNums.begin(), E = DwarfRegNums.end(); I != E; ++I)
for (unsigned i = I->second.size(), e = maxLength; i != e; ++i)
I->second.push_back(-1);
@ -713,7 +714,10 @@ void RegisterInfoEmitter::run(std::ostream &OS) {
<< " assert(0 && \"Invalid RegNum\");\n"
<< " return -1;\n";
for (std::map<Record*, std::vector<int> >::iterator
// Sort by name to get a stable order.
for (DwarfRegNumsMapTy::iterator
I = DwarfRegNums.begin(), E = DwarfRegNums.end(); I != E; ++I) {
int RegNo = I->second[i];
if (RegNo != -2)

18
utils/TableGen/SubtargetEmitter.cpp
View File

@ -19,24 +19,6 @@
#include <algorithm>
using namespace llvm;
//
// Record sort by name function.
//
struct LessRecord {
bool operator()(const Record *Rec1, const Record *Rec2) const {
return Rec1->getName() < Rec2->getName();
}
};
//
// Record sort by field "Name" function.
//
struct LessRecordFieldName {
bool operator()(const Record *Rec1, const Record *Rec2) const {
return Rec1->getValueAsString("Name") < Rec2->getValueAsString("Name");
}
};
//
// Enumeration - Emit the specified class as an enumeration.
//