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* Remove dead function

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* Print C strings correctly
* Expand C escape sequences nicely (ie \n \t, etc get generated instead of hex escapes)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2572 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-05-09 03:56:52 +00:00
parent 4440826cae
commit 2f5eb4e9a5
2 changed files with 40 additions and 18 deletions
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29
lib/Target/CBackend/CBackend.cpp
View File

@ -72,11 +72,6 @@ static string makeNameProper(string x) {
return tmp;
}
static string getConstantName(const Constant *CPV) {
return CPV->getName();
}
static std::string getConstArrayStrValue(const Constant* CPV) {
std::string Result;
@ -94,10 +89,17 @@ static std::string getConstArrayStrValue(const Constant* CPV) {
break;
}
}
if (isString) {
// Make sure the last character is a null char, as automatically added by C
if (CPV->getNumOperands() == 0 ||
!cast<Constant>(*(CPV->op_end()-1))->isNullValue())
isString = false;
}
if (isString) {
Result = "\"";
for (unsigned i = 0; i < CPV->getNumOperands(); ++i) {
// Do not include the last character, which we know is null
for (unsigned i = 0, e = CPV->getNumOperands()-1; i != e; ++i) {
unsigned char C = (ETy == Type::SByteTy) ?
(unsigned char)cast<ConstantSInt>(CPV->getOperand(i))->getValue() :
(unsigned char)cast<ConstantUInt>(CPV->getOperand(i))->getValue();
@ -105,9 +107,18 @@ static std::string getConstArrayStrValue(const Constant* CPV) {
if (isprint(C)) {
Result += C;
} else {
Result += "\\x";
Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
switch (C) {
case '\n': Result += "\\n"; break;
case '\t': Result += "\\t"; break;
case '\r': Result += "\\r"; break;
case '\v': Result += "\\v"; break;
case '\a': Result += "\\a"; break;
default:
Result += "\\x";
Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
break;
}
}
}
Result += "\"";

29
lib/Target/CBackend/Writer.cpp
View File

@ -72,11 +72,6 @@ static string makeNameProper(string x) {
return tmp;
}
static string getConstantName(const Constant *CPV) {
return CPV->getName();
}
static std::string getConstArrayStrValue(const Constant* CPV) {
std::string Result;
@ -94,10 +89,17 @@ static std::string getConstArrayStrValue(const Constant* CPV) {
break;
}
}
if (isString) {
// Make sure the last character is a null char, as automatically added by C
if (CPV->getNumOperands() == 0 ||
!cast<Constant>(*(CPV->op_end()-1))->isNullValue())
isString = false;
}
if (isString) {
Result = "\"";
for (unsigned i = 0; i < CPV->getNumOperands(); ++i) {
// Do not include the last character, which we know is null
for (unsigned i = 0, e = CPV->getNumOperands()-1; i != e; ++i) {
unsigned char C = (ETy == Type::SByteTy) ?
(unsigned char)cast<ConstantSInt>(CPV->getOperand(i))->getValue() :
(unsigned char)cast<ConstantUInt>(CPV->getOperand(i))->getValue();
@ -105,9 +107,18 @@ static std::string getConstArrayStrValue(const Constant* CPV) {
if (isprint(C)) {
Result += C;
} else {
Result += "\\x";
Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
switch (C) {
case '\n': Result += "\\n"; break;
case '\t': Result += "\\t"; break;
case '\r': Result += "\\r"; break;
case '\v': Result += "\\v"; break;
case '\a': Result += "\\a"; break;
default:
Result += "\\x";
Result += ( C/16 < 10) ? ( C/16 +'0') : ( C/16 -10+'A');
Result += ((C&15) < 10) ? ((C&15)+'0') : ((C&15)-10+'A');
break;
}
}
}
Result += "\"";