#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Streams.h"
#include <algorithm>
+#include <cctype>
using namespace llvm;
namespace llvm {
} // end namespace llvm
-const char PrintModulePass::ID = 0;
+char PrintModulePass::ID = 0;
static RegisterPass<PrintModulePass>
X("printm", "Print module to stderr");
-const char PrintFunctionPass::ID = 0;
+char PrintFunctionPass::ID = 0;
static RegisterPass<PrintFunctionPass>
Y("print","Print function to stderr");
/// NameNeedsQuotes - Return true if the specified llvm name should be wrapped
/// with ""'s.
-static bool NameNeedsQuotes(const std::string &Name) {
- if (Name[0] >= '0' && Name[0] <= '9') return true;
- // Scan to see if we have any characters that are not on the "white list"
+static std::string QuoteNameIfNeeded(const std::string &Name) {
+ std::string result;
+ bool needsQuotes = Name[0] >= '0' && Name[0] <= '9';
+ // Scan the name to see if it needs quotes and to replace funky chars with
+ // their octal equivalent.
for (unsigned i = 0, e = Name.size(); i != e; ++i) {
char C = Name[i];
assert(C != '"' && "Illegal character in LLVM value name!");
- if ((C < 'a' || C > 'z') && (C < 'A' || C > 'Z') && (C < '0' || C > '9') &&
- C != '-' && C != '.' && C != '_')
- return true;
+ if (isalnum(C) || C == '-' || C == '.' || C == '_')
+ result += C;
+ else if (C == '\\') {
+ needsQuotes = true;
+ result += "\\\\";
+ } else if (isprint(C)) {
+ needsQuotes = true;
+ result += C;
+ } else {
+ needsQuotes = true;
+ result += "\\";
+ char hex1 = (C >> 4) & 0x0F;
+ if (hex1 < 10)
+ result += hex1 + '0';
+ else
+ result += hex1 - 10 + 'A';
+ char hex2 = C & 0x0F;
+ if (hex2 < 10)
+ result += hex2 + '0';
+ else
+ result += hex2 - 10 + 'A';
+ }
+ }
+ if (needsQuotes) {
+ result.insert(0,"\"");
+ result += '"';
}
- return false;
+ return result;
}
enum PrefixType {
/// surrounded with ""'s (if it has special chars in it).
static std::string getLLVMName(const std::string &Name, PrefixType Prefix) {
assert(!Name.empty() && "Cannot get empty name!");
-
- // First character cannot start with a number...
- if (NameNeedsQuotes(Name)) {
- if (Prefix == GlobalPrefix)
- return "@\"" + Name + "\"";
- return "\"" + Name + "\"";
- }
-
- // If we get here, then the identifier is legal to use as a "VarID".
switch (Prefix) {
default: assert(0 && "Bad prefix!");
- case GlobalPrefix: return '@' + Name;
- case LabelPrefix: return Name;
- case LocalPrefix: return '%' + Name;
+ case GlobalPrefix: return '@' + QuoteNameIfNeeded(Name);
+ case LabelPrefix: return QuoteNameIfNeeded(Name);
+ case LocalPrefix: return '%' + QuoteNameIfNeeded(Name);
}
}
else
Out << CI->getValue().toStringSigned(10);
} else if (const ConstantFP *CFP = dyn_cast<ConstantFP>(CV)) {
- // We would like to output the FP constant value in exponential notation,
- // but we cannot do this if doing so will lose precision. Check here to
- // make sure that we only output it in exponential format if we can parse
- // the value back and get the same value.
- //
- std::string StrVal = ftostr(CFP->getValue());
-
- // Check to make sure that the stringized number is not some string like
- // "Inf" or NaN, that atof will accept, but the lexer will not. Check that
- // the string matches the "[-+]?[0-9]" regex.
- //
- if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
- ((StrVal[0] == '-' || StrVal[0] == '+') &&
- (StrVal[1] >= '0' && StrVal[1] <= '9')))
- // Reparse stringized version!
- if (atof(StrVal.c_str()) == CFP->getValue()) {
- Out << StrVal;
- return;
+ if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEdouble ||
+ &CFP->getValueAPF().getSemantics() == &APFloat::IEEEsingle) {
+ // We would like to output the FP constant value in exponential notation,
+ // but we cannot do this if doing so will lose precision. Check here to
+ // make sure that we only output it in exponential format if we can parse
+ // the value back and get the same value.
+ //
+ bool isDouble = &CFP->getValueAPF().getSemantics()==&APFloat::IEEEdouble;
+ double Val = (isDouble) ? CFP->getValueAPF().convertToDouble() :
+ CFP->getValueAPF().convertToFloat();
+ std::string StrVal = ftostr(CFP->getValueAPF());
+
+ // Check to make sure that the stringized number is not some string like
+ // "Inf" or NaN, that atof will accept, but the lexer will not. Check
+ // that the string matches the "[-+]?[0-9]" regex.
+ //
+ if ((StrVal[0] >= '0' && StrVal[0] <= '9') ||
+ ((StrVal[0] == '-' || StrVal[0] == '+') &&
+ (StrVal[1] >= '0' && StrVal[1] <= '9'))) {
+ // Reparse stringized version!
+ if (atof(StrVal.c_str()) == Val) {
+ Out << StrVal;
+ return;
+ }
}
-
- // Otherwise we could not reparse it to exactly the same value, so we must
- // output the string in hexadecimal format!
- assert(sizeof(double) == sizeof(uint64_t) &&
- "assuming that double is 64 bits!");
- Out << "0x" << utohexstr(DoubleToBits(CFP->getValue()));
-
+ // Otherwise we could not reparse it to exactly the same value, so we must
+ // output the string in hexadecimal format!
+ assert(sizeof(double) == sizeof(uint64_t) &&
+ "assuming that double is 64 bits!");
+ Out << "0x" << utohexstr(DoubleToBits(Val));
+ } else {
+ // Some form of long double. These appear as a magic letter identifying
+ // the type, then a fixed number of hex digits.
+ Out << "0x";
+ if (&CFP->getValueAPF().getSemantics() == &APFloat::x87DoubleExtended)
+ Out << 'K';
+ else if (&CFP->getValueAPF().getSemantics() == &APFloat::IEEEquad)
+ Out << 'L';
+ else if (&CFP->getValueAPF().getSemantics() == &APFloat::PPCDoubleDouble)
+ Out << 'M';
+ else
+ assert(0 && "Unsupported floating point type");
+ // api needed to prevent premature destruction
+ APInt api = CFP->getValueAPF().convertToAPInt();
+ const uint64_t* p = api.getRawData();
+ uint64_t word = *p;
+ int shiftcount=60;
+ int width = api.getBitWidth();
+ for (int j=0; j<width; j+=4, shiftcount-=4) {
+ unsigned int nibble = (word>>shiftcount) & 15;
+ if (nibble < 10)
+ Out << (unsigned char)(nibble + '0');
+ else
+ Out << (unsigned char)(nibble - 10 + 'A');
+ if (shiftcount == 0) {
+ word = *(++p);
+ shiftcount = 64;
+ if (width-j-4 < 64)
+ shiftcount = width-j-4;
+ }
+ }
+ }
} else if (isa<ConstantAggregateZero>(CV)) {
Out << "zeroinitializer";
} else if (const ConstantArray *CA = dyn_cast<ConstantArray>(CV)) {
if (AnnotationWriter) AnnotationWriter->emitFunctionAnnot(F, Out);
if (F->isDeclaration())
- switch (F->getLinkage()) {
- case GlobalValue::DLLImportLinkage: Out << "declare dllimport "; break;
- case GlobalValue::ExternalWeakLinkage: Out << "declare extern_weak "; break;
- default: Out << "declare ";
- }
- else {
+ Out << "declare ";
+ else
Out << "define ";
- switch (F->getLinkage()) {
- case GlobalValue::InternalLinkage: Out << "internal "; break;
- case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
- case GlobalValue::WeakLinkage: Out << "weak "; break;
- case GlobalValue::AppendingLinkage: Out << "appending "; break;
- case GlobalValue::DLLImportLinkage: Out << "dllimport "; break;
- case GlobalValue::DLLExportLinkage: Out << "dllexport "; break;
- case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break;
- case GlobalValue::ExternalLinkage: break;
- case GlobalValue::GhostLinkage:
- cerr << "GhostLinkage not allowed in AsmWriter!\n";
- abort();
- }
- switch (F->getVisibility()) {
- default: assert(0 && "Invalid visibility style!");
- case GlobalValue::DefaultVisibility: break;
- case GlobalValue::HiddenVisibility: Out << "hidden "; break;
- case GlobalValue::ProtectedVisibility: Out << "protected "; break;
- }
+
+ switch (F->getLinkage()) {
+ case GlobalValue::InternalLinkage: Out << "internal "; break;
+ case GlobalValue::LinkOnceLinkage: Out << "linkonce "; break;
+ case GlobalValue::WeakLinkage: Out << "weak "; break;
+ case GlobalValue::AppendingLinkage: Out << "appending "; break;
+ case GlobalValue::DLLImportLinkage: Out << "dllimport "; break;
+ case GlobalValue::DLLExportLinkage: Out << "dllexport "; break;
+ case GlobalValue::ExternalWeakLinkage: Out << "extern_weak "; break;
+ case GlobalValue::ExternalLinkage: break;
+ case GlobalValue::GhostLinkage:
+ cerr << "GhostLinkage not allowed in AsmWriter!\n";
+ abort();
+ }
+ switch (F->getVisibility()) {
+ default: assert(0 && "Invalid visibility style!");
+ case GlobalValue::DefaultVisibility: break;
+ case GlobalValue::HiddenVisibility: Out << "hidden "; break;
+ case GlobalValue::ProtectedVisibility: Out << "protected "; break;
}
// Print the calling convention.
projects / oota-llvm.git / blobdiff