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change printStringChar to emit characters as unsigned char instead of char,

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avoiding sign extension for the top octet.  For "negative" chars, we'd print
stuff like:

.asciz	"\702...
now we print:
.asciz	"\302...



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68577 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-04-08 00:28:38 +00:00
parent 97121ba2af
commit a118c2ee89
1 changed files with 5 additions and 9 deletions
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14
lib/CodeGen/AsmPrinter/AsmPrinter.cpp
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@ -699,7 +699,7 @@ static inline char toOctal(int X) {
/// printStringChar - Print a char, escaped if necessary.
///
static void printStringChar(raw_ostream &O, char C) {
static void printStringChar(raw_ostream &O, unsigned char C) {
if (C == '"') {
O << "\\\"";
} else if (C == '\\') {
@ -733,10 +733,8 @@ void AsmPrinter::EmitString(const std::string &String) const {
else
O << TAI->getAsciiDirective();
O << '\"';
for (unsigned i = 0, N = String.size(); i < N; ++i) {
unsigned char C = String[i];
printStringChar(O, C);
}
for (unsigned i = 0, N = String.size(); i < N; ++i)
printStringChar(O, String[i]);
if (AscizDirective)
O << '\"';
else
@ -747,10 +745,8 @@ void AsmPrinter::EmitString(const std::string &String) const {
/// EmitFile - Emit a .file directive.
void AsmPrinter::EmitFile(unsigned Number, const std::string &Name) const {
O << "\t.file\t" << Number << " \"";
for (unsigned i = 0, N = Name.size(); i < N; ++i) {
unsigned char C = Name[i];
printStringChar(O, C);
}
for (unsigned i = 0, N = Name.size(); i < N; ++i)
printStringChar(O, Name[i]);
O << '\"';
}