mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-03-03 14:31:10 +00:00
* Eliminate using decls
* Fix some styleistic things * Fix bug: CWriter/2002-05-16-NameCollide.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5988 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
parent
25f088e223
commit
edd8ce1370
lib/Target/CBackend
@ -2,7 +2,7 @@
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//
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// This library converts LLVM code to C code, compilable by GCC.
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//
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//===-----------------------------------------------------------------------==//
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//===----------------------------------------------------------------------===//
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#include "llvm/Assembly/CWriter.h"
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#include "llvm/Constants.h"
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#include "llvm/DerivedTypes.h"
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@ -20,23 +20,19 @@
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#include <algorithm>
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#include <set>
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#include <sstream>
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using std::string;
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using std::map;
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using std::ostream;
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namespace {
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class CWriter : public Pass, public InstVisitor<CWriter> {
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ostream &Out;
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std::ostream &Out;
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SlotCalculator *Table;
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const Module *TheModule;
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map<const Type *, string> TypeNames;
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std::map<const Type *, std::string> TypeNames;
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std::set<const Value*> MangledGlobals;
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bool needsMalloc;
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map<const ConstantFP *, unsigned> FPConstantMap;
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std::map<const ConstantFP *, unsigned> FPConstantMap;
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public:
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CWriter(ostream &o) : Out(o) {}
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CWriter(std::ostream &o) : Out(o) {}
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void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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@ -61,13 +57,14 @@ namespace {
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return false;
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}
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ostream &printType(std::ostream &Out, const Type *Ty, const string &VariableName = "",
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bool IgnoreName = false, bool namedContext = true);
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std::ostream &printType(std::ostream &Out, const Type *Ty,
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const std::string &VariableName = "",
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bool IgnoreName = false, bool namedContext = true);
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void writeOperand(Value *Operand);
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void writeOperandInternal(Value *Operand);
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string getValueName(const Value *V);
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std::string getValueName(const Value *V);
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private :
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bool nameAllUsedStructureTypes(Module &M);
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@ -137,9 +134,9 @@ namespace {
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// We dont want identifier names with ., space, - in them.
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// So we replace them with _
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static string makeNameProper(string x) {
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string tmp;
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for (string::iterator sI = x.begin(), sEnd = x.end(); sI != sEnd; sI++)
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static std::string makeNameProper(std::string x) {
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std::string tmp;
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for (std::string::iterator sI = x.begin(), sEnd = x.end(); sI != sEnd; sI++)
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switch (*sI) {
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case '.': tmp += "d_"; break;
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case ' ': tmp += "s_"; break;
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@ -150,11 +147,11 @@ static string makeNameProper(string x) {
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return tmp;
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}
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string CWriter::getValueName(const Value *V) {
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std::string CWriter::getValueName(const Value *V) {
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if (V->hasName()) { // Print out the label if it exists...
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if (isa<GlobalValue>(V) && // Do not mangle globals...
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cast<GlobalValue>(V)->hasExternalLinkage()) // Unless it's internal or
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//!MangledGlobals.count(V)) // Unless the name would collide if we don't
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(cast<GlobalValue>(V)->hasExternalLinkage() &&// Unless it's internal or
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!MangledGlobals.count(V))) // Unless the name would collide if we don't
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return makeNameProper(V->getName());
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return "l" + utostr(V->getType()->getUniqueID()) + "_" +
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@ -167,15 +164,16 @@ string CWriter::getValueName(const Value *V) {
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}
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// A pointer type should not use parens around *'s alone, e.g., (**)
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inline bool ptrTypeNameNeedsParens(const string &NameSoFar) {
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inline bool ptrTypeNameNeedsParens(const std::string &NameSoFar) {
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return (NameSoFar.find_last_not_of('*') != std::string::npos);
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}
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// Pass the Type* and the variable name and this prints out the variable
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// declaration.
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//
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ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &NameSoFar,
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bool IgnoreName, bool namedContext) {
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std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
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const std::string &NameSoFar,
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bool IgnoreName, bool namedContext) {
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if (Ty->isPrimitiveType())
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switch (Ty->getPrimitiveID()) {
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case Type::VoidTyID: return Out << "void " << NameSoFar;
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@ -197,7 +195,7 @@ ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &Nam
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// Check to see if the type is named.
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if (!IgnoreName || isa<OpaqueType>(Ty)) {
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map<const Type *, string>::iterator I = TypeNames.find(Ty);
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std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty);
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if (I != TypeNames.end()) {
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return Out << I->second << " " << NameSoFar;
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}
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@ -221,7 +219,7 @@ ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &Nam
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FunctionInards << "...";
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}
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FunctionInards << ")";
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string tstr = FunctionInards.str();
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std::string tstr = FunctionInards.str();
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printType(Out, MTy->getReturnType(), tstr);
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return Out;
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}
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@ -262,7 +260,7 @@ ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &Nam
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case Type::OpaqueTyID: {
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static int Count = 0;
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string TyName = "struct opaque_" + itostr(Count++);
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std::string TyName = "struct opaque_" + itostr(Count++);
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assert(TypeNames.find(Ty) == TypeNames.end());
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TypeNames[Ty] = TyName;
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return Out << TyName << " " << NameSoFar;
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@ -395,7 +393,7 @@ void CWriter::printConstant(Constant *CPV) {
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case Type::FloatTyID:
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case Type::DoubleTyID: {
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ConstantFP *FPC = cast<ConstantFP>(CPV);
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map<const ConstantFP *, unsigned>::iterator I = FPConstantMap.find(FPC);
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std::map<const ConstantFP*, unsigned>::iterator I = FPConstantMap.find(FPC);
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if (I != FPConstantMap.end()) {
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// Because of FP precision problems we must load from a stack allocated
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// value that holds the value in hex.
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@ -501,8 +499,7 @@ bool CWriter::nameAllUsedStructureTypes(Module &M) {
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return Changed;
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}
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static void generateAllocaDecl(ostream& Out)
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{
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static void generateAllocaDecl(std::ostream& Out) {
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// On SunOS, we need to insert the alloca macro & proto for the builtin.
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Out << "#ifdef sun\n"
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<< "extern void *__builtin_alloca(unsigned long);\n"
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@ -516,7 +513,7 @@ void CWriter::printModule(Module *M) {
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// Calculate which global values have names that will collide when we throw
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// away type information.
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{ // Scope to delete the FoundNames set when we are done with it...
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std::set<string> FoundNames;
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std::set<std::string> FoundNames;
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for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
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if (I->hasName()) // If the global has a name...
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if (FoundNames.count(I->getName())) // And the name is already used
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@ -575,7 +572,8 @@ void CWriter::printModule(Module *M) {
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needsMalloc = true;
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for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) {
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// If the function is external and the name collides don't print it.
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// Sometimes the bytecode likes to have multiple "declerations" for external functions
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// Sometimes the bytecode likes to have multiple "declerations" for
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// external functions
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if (I->hasInternalLinkage() || !MangledGlobals.count(I)){
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printFunctionSignature(I, true);
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Out << ";\n";
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@ -642,7 +640,7 @@ void CWriter::printSymbolTable(const SymbolTable &ST) {
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Out << "/* Structure forward decls */\n";
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for (; I != End; ++I)
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if (const Type *STy = dyn_cast<StructType>(I->second)) {
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string Name = "struct l_" + makeNameProper(I->first);
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std::string Name = "struct l_" + makeNameProper(I->first);
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Out << Name << ";\n";
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TypeNames.insert(std::make_pair(STy, Name));
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}
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@ -653,7 +651,7 @@ void CWriter::printSymbolTable(const SymbolTable &ST) {
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Out << "/* Typedefs */\n";
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for (I = ST.type_begin(Type::TypeTy); I != End; ++I) {
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const Type *Ty = cast<Type>(I->second);
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string Name = "l_" + makeNameProper(I->first);
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std::string Name = "l_" + makeNameProper(I->first);
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Out << "typedef ";
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printType(Out, Ty, Name);
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Out << ";\n";
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@ -691,7 +689,7 @@ void CWriter::printContainedStructs(const Type *Ty,
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//Print structure type out..
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StructPrinted.insert(STy);
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string Name = TypeNames[STy];
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std::string Name = TypeNames[STy];
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printType(Out, STy, Name, true);
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Out << ";\n\n";
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}
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@ -721,7 +719,7 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
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if (!F->isExternal()) {
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if (!F->aempty()) {
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string ArgName;
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std::string ArgName;
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if (F->abegin()->hasName() || !Prototype)
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ArgName = getValueName(F->abegin());
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printType(FunctionInards, F->afront().getType(), ArgName);
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@ -899,14 +897,14 @@ void CWriter::printBranchToBlock(BasicBlock *CurBB, BasicBlock *Succ,
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for (BasicBlock::iterator I = Succ->begin();
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PHINode *PN = dyn_cast<PHINode>(I); ++I) {
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// now we have to do the printing
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Out << string(Indent, ' ');
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Out << std::string(Indent, ' ');
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outputLValue(PN);
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writeOperand(PN->getIncomingValue(PN->getBasicBlockIndex(CurBB)));
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Out << "; /* for PHI node */\n";
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}
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if (CurBB->getNext() != Succ) {
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Out << string(Indent, ' ') << " goto ";
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Out << std::string(Indent, ' ') << " goto ";
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writeOperand(Succ);
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Out << ";\n";
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}
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@ -976,8 +974,7 @@ void CWriter::visitBinaryOperator(Instruction &I) {
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void CWriter::visitCastInst(CastInst &I) {
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Out << "(";
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printType(Out, I.getType(), string(""),/*ignoreName*/false,
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/*namedContext*/false);
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printType(Out, I.getType(), "", /*ignoreName*/false, /*namedContext*/false);
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Out << ")";
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if (isa<PointerType>(I.getType())&&I.getOperand(0)->getType()->isIntegral() ||
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isa<PointerType>(I.getOperand(0)->getType())&&I.getType()->isIntegral()) {
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@ -2,7 +2,7 @@
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//
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// This library converts LLVM code to C code, compilable by GCC.
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//
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//===-----------------------------------------------------------------------==//
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//===----------------------------------------------------------------------===//
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#include "llvm/Assembly/CWriter.h"
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#include "llvm/Constants.h"
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#include "llvm/DerivedTypes.h"
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@ -20,23 +20,19 @@
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#include <algorithm>
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#include <set>
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#include <sstream>
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using std::string;
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using std::map;
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using std::ostream;
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namespace {
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class CWriter : public Pass, public InstVisitor<CWriter> {
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ostream &Out;
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std::ostream &Out;
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SlotCalculator *Table;
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const Module *TheModule;
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map<const Type *, string> TypeNames;
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std::map<const Type *, std::string> TypeNames;
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std::set<const Value*> MangledGlobals;
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bool needsMalloc;
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map<const ConstantFP *, unsigned> FPConstantMap;
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std::map<const ConstantFP *, unsigned> FPConstantMap;
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public:
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CWriter(ostream &o) : Out(o) {}
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CWriter(std::ostream &o) : Out(o) {}
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void getAnalysisUsage(AnalysisUsage &AU) const {
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AU.setPreservesAll();
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@ -61,13 +57,14 @@ namespace {
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return false;
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}
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ostream &printType(std::ostream &Out, const Type *Ty, const string &VariableName = "",
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bool IgnoreName = false, bool namedContext = true);
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std::ostream &printType(std::ostream &Out, const Type *Ty,
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const std::string &VariableName = "",
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bool IgnoreName = false, bool namedContext = true);
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void writeOperand(Value *Operand);
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void writeOperandInternal(Value *Operand);
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string getValueName(const Value *V);
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std::string getValueName(const Value *V);
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private :
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bool nameAllUsedStructureTypes(Module &M);
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@ -137,9 +134,9 @@ namespace {
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// We dont want identifier names with ., space, - in them.
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// So we replace them with _
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static string makeNameProper(string x) {
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string tmp;
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for (string::iterator sI = x.begin(), sEnd = x.end(); sI != sEnd; sI++)
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static std::string makeNameProper(std::string x) {
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std::string tmp;
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for (std::string::iterator sI = x.begin(), sEnd = x.end(); sI != sEnd; sI++)
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switch (*sI) {
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case '.': tmp += "d_"; break;
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case ' ': tmp += "s_"; break;
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@ -150,11 +147,11 @@ static string makeNameProper(string x) {
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return tmp;
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}
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string CWriter::getValueName(const Value *V) {
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std::string CWriter::getValueName(const Value *V) {
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if (V->hasName()) { // Print out the label if it exists...
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if (isa<GlobalValue>(V) && // Do not mangle globals...
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cast<GlobalValue>(V)->hasExternalLinkage()) // Unless it's internal or
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//!MangledGlobals.count(V)) // Unless the name would collide if we don't
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(cast<GlobalValue>(V)->hasExternalLinkage() &&// Unless it's internal or
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!MangledGlobals.count(V))) // Unless the name would collide if we don't
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return makeNameProper(V->getName());
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return "l" + utostr(V->getType()->getUniqueID()) + "_" +
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@ -167,15 +164,16 @@ string CWriter::getValueName(const Value *V) {
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}
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// A pointer type should not use parens around *'s alone, e.g., (**)
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inline bool ptrTypeNameNeedsParens(const string &NameSoFar) {
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inline bool ptrTypeNameNeedsParens(const std::string &NameSoFar) {
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return (NameSoFar.find_last_not_of('*') != std::string::npos);
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}
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// Pass the Type* and the variable name and this prints out the variable
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// declaration.
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//
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ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &NameSoFar,
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bool IgnoreName, bool namedContext) {
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std::ostream &CWriter::printType(std::ostream &Out, const Type *Ty,
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const std::string &NameSoFar,
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bool IgnoreName, bool namedContext) {
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if (Ty->isPrimitiveType())
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switch (Ty->getPrimitiveID()) {
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case Type::VoidTyID: return Out << "void " << NameSoFar;
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@ -197,7 +195,7 @@ ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &Nam
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// Check to see if the type is named.
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if (!IgnoreName || isa<OpaqueType>(Ty)) {
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map<const Type *, string>::iterator I = TypeNames.find(Ty);
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std::map<const Type *, std::string>::iterator I = TypeNames.find(Ty);
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if (I != TypeNames.end()) {
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return Out << I->second << " " << NameSoFar;
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}
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@ -221,7 +219,7 @@ ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &Nam
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FunctionInards << "...";
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}
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FunctionInards << ")";
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string tstr = FunctionInards.str();
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std::string tstr = FunctionInards.str();
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printType(Out, MTy->getReturnType(), tstr);
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return Out;
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}
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@ -262,7 +260,7 @@ ostream &CWriter::printType(std::ostream &Out, const Type *Ty, const string &Nam
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case Type::OpaqueTyID: {
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static int Count = 0;
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string TyName = "struct opaque_" + itostr(Count++);
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std::string TyName = "struct opaque_" + itostr(Count++);
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assert(TypeNames.find(Ty) == TypeNames.end());
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TypeNames[Ty] = TyName;
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return Out << TyName << " " << NameSoFar;
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@ -395,7 +393,7 @@ void CWriter::printConstant(Constant *CPV) {
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case Type::FloatTyID:
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case Type::DoubleTyID: {
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ConstantFP *FPC = cast<ConstantFP>(CPV);
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map<const ConstantFP *, unsigned>::iterator I = FPConstantMap.find(FPC);
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std::map<const ConstantFP*, unsigned>::iterator I = FPConstantMap.find(FPC);
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if (I != FPConstantMap.end()) {
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// Because of FP precision problems we must load from a stack allocated
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// value that holds the value in hex.
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@ -501,8 +499,7 @@ bool CWriter::nameAllUsedStructureTypes(Module &M) {
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return Changed;
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}
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static void generateAllocaDecl(ostream& Out)
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{
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static void generateAllocaDecl(std::ostream& Out) {
|
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// On SunOS, we need to insert the alloca macro & proto for the builtin.
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Out << "#ifdef sun\n"
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<< "extern void *__builtin_alloca(unsigned long);\n"
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@ -516,7 +513,7 @@ void CWriter::printModule(Module *M) {
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// Calculate which global values have names that will collide when we throw
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// away type information.
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{ // Scope to delete the FoundNames set when we are done with it...
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std::set<string> FoundNames;
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std::set<std::string> FoundNames;
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for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
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if (I->hasName()) // If the global has a name...
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if (FoundNames.count(I->getName())) // And the name is already used
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@ -575,7 +572,8 @@ void CWriter::printModule(Module *M) {
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needsMalloc = true;
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for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) {
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// If the function is external and the name collides don't print it.
|
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// Sometimes the bytecode likes to have multiple "declerations" for external functions
|
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// Sometimes the bytecode likes to have multiple "declerations" for
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// external functions
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if (I->hasInternalLinkage() || !MangledGlobals.count(I)){
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printFunctionSignature(I, true);
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Out << ";\n";
|
||||
@ -642,7 +640,7 @@ void CWriter::printSymbolTable(const SymbolTable &ST) {
|
||||
Out << "/* Structure forward decls */\n";
|
||||
for (; I != End; ++I)
|
||||
if (const Type *STy = dyn_cast<StructType>(I->second)) {
|
||||
string Name = "struct l_" + makeNameProper(I->first);
|
||||
std::string Name = "struct l_" + makeNameProper(I->first);
|
||||
Out << Name << ";\n";
|
||||
TypeNames.insert(std::make_pair(STy, Name));
|
||||
}
|
||||
@ -653,7 +651,7 @@ void CWriter::printSymbolTable(const SymbolTable &ST) {
|
||||
Out << "/* Typedefs */\n";
|
||||
for (I = ST.type_begin(Type::TypeTy); I != End; ++I) {
|
||||
const Type *Ty = cast<Type>(I->second);
|
||||
string Name = "l_" + makeNameProper(I->first);
|
||||
std::string Name = "l_" + makeNameProper(I->first);
|
||||
Out << "typedef ";
|
||||
printType(Out, Ty, Name);
|
||||
Out << ";\n";
|
||||
@ -691,7 +689,7 @@ void CWriter::printContainedStructs(const Type *Ty,
|
||||
|
||||
//Print structure type out..
|
||||
StructPrinted.insert(STy);
|
||||
string Name = TypeNames[STy];
|
||||
std::string Name = TypeNames[STy];
|
||||
printType(Out, STy, Name, true);
|
||||
Out << ";\n\n";
|
||||
}
|
||||
@ -721,7 +719,7 @@ void CWriter::printFunctionSignature(const Function *F, bool Prototype) {
|
||||
|
||||
if (!F->isExternal()) {
|
||||
if (!F->aempty()) {
|
||||
string ArgName;
|
||||
std::string ArgName;
|
||||
if (F->abegin()->hasName() || !Prototype)
|
||||
ArgName = getValueName(F->abegin());
|
||||
printType(FunctionInards, F->afront().getType(), ArgName);
|
||||
@ -899,14 +897,14 @@ void CWriter::printBranchToBlock(BasicBlock *CurBB, BasicBlock *Succ,
|
||||
for (BasicBlock::iterator I = Succ->begin();
|
||||
PHINode *PN = dyn_cast<PHINode>(I); ++I) {
|
||||
// now we have to do the printing
|
||||
Out << string(Indent, ' ');
|
||||
Out << std::string(Indent, ' ');
|
||||
outputLValue(PN);
|
||||
writeOperand(PN->getIncomingValue(PN->getBasicBlockIndex(CurBB)));
|
||||
Out << "; /* for PHI node */\n";
|
||||
}
|
||||
|
||||
if (CurBB->getNext() != Succ) {
|
||||
Out << string(Indent, ' ') << " goto ";
|
||||
Out << std::string(Indent, ' ') << " goto ";
|
||||
writeOperand(Succ);
|
||||
Out << ";\n";
|
||||
}
|
||||
@ -976,8 +974,7 @@ void CWriter::visitBinaryOperator(Instruction &I) {
|
||||
|
||||
void CWriter::visitCastInst(CastInst &I) {
|
||||
Out << "(";
|
||||
printType(Out, I.getType(), string(""),/*ignoreName*/false,
|
||||
/*namedContext*/false);
|
||||
printType(Out, I.getType(), "", /*ignoreName*/false, /*namedContext*/false);
|
||||
Out << ")";
|
||||
if (isa<PointerType>(I.getType())&&I.getOperand(0)->getType()->isIntegral() ||
|
||||
isa<PointerType>(I.getOperand(0)->getType())&&I.getType()->isIntegral()) {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user