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Print out inline asm strings

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25556 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-01-23 23:03:36 +00:00
parent 49ebb90bd0
commit 18365506eb
1 changed files with 23 additions and 22 deletions
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45
lib/VMCore/AsmWriter.cpp
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@ -398,6 +398,21 @@ std::ostream &llvm::WriteTypeSymbolic(std::ostream &Out, const Type *Ty,
}
}
// PrintEscapedString - Print each character of the specified string, escaping
// it if it is not printable or if it is an escape char.
static void PrintEscapedString(const std::string &Str, std::ostream &Out) {
for (unsigned i = 0, e = Str.size(); i != e; ++i) {
unsigned char C = Str[i];
if (isprint(C) && C != '"' && C != '\\') {
Out << C;
} else {
Out << '\\'
<< (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
<< (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
}
}
}
/// @brief Internal constant writer.
static void WriteConstantInt(std::ostream &Out, const Constant *CV,
bool PrintName,
@ -443,29 +458,9 @@ static void WriteConstantInt(std::ostream &Out, const Constant *CV,
// ubytes or an array of sbytes with positive values.
//
const Type *ETy = CA->getType()->getElementType();
bool isString = (ETy == Type::SByteTy || ETy == Type::UByteTy);
if (ETy == Type::SByteTy)
for (unsigned i = 0; i < CA->getNumOperands(); ++i)
if (cast<ConstantSInt>(CA->getOperand(i))->getValue() < 0) {
isString = false;
break;
}
if (isString) {
if (CA->isString()) {
Out << "c\"";
for (unsigned i = 0; i < CA->getNumOperands(); ++i) {
unsigned char C =
(unsigned char)cast<ConstantInt>(CA->getOperand(i))->getRawValue();
if (isprint(C) && C != '"' && C != '\\') {
Out << C;
} else {
Out << '\\'
<< (char) ((C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A'))
<< (char)(((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A'));
}
}
PrintEscapedString(CA->getAsString(), Out);
Out << "\"";
} else { // Cannot output in string format...
@ -780,6 +775,12 @@ void AssemblyWriter::printModule(const Module *M) {
if (!M->getTargetTriple().empty())
Out << "target triple = \"" << M->getTargetTriple() << "\"\n";
if (!M->getInlineAsm().empty()) {
Out << "asm \"";
PrintEscapedString(M->getInlineAsm(), Out);
Out << "\"\n";
}
// Loop over the dependent libraries and emit them.
Module::lib_iterator LI = M->lib_begin();
Module::lib_iterator LE = M->lib_end();