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If the llvm name contains an unprintable character, don't print it in

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the global comment.  This prevents printing things like:

...  # foo
bar

when the name is "foo\nbar".

llvm-svn: 47170
This commit is contained in:
Chris Lattner 2008-02-15 18:56:05 +00:00
parent bab03a1b50
commit cf98f7291b
1 changed files with 15 additions and 3 deletions
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18
lib/Target/X86/X86AsmPrinter.cpp
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@ -138,6 +138,15 @@ bool X86SharedAsmPrinter::doInitialization(Module &M) {
return Result;
}
/// PrintUnamedNameSafely - Print out the printable characters in the name.
/// Don't print things like \n or \0.
static void PrintUnamedNameSafely(const Value *V, std::ostream &OS) {
for (const char *Name = V->getNameStart(), *E = Name+V->getNameLen();
Name != E; ++Name)
if (isprint(*Name))
OS << *Name;
}
bool X86SharedAsmPrinter::doFinalization(Module &M) {
// Note: this code is not shared by the Intel printer as it is too different
// from how MASM does things. When making changes here don't forget to look
@ -218,7 +227,9 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
if (TAI->getCOMMDirectiveTakesAlignment())
O << "," << (TAI->getAlignmentIsInBytes() ? (1 << Align) : Align);
}
O << "\t\t" << TAI->getCommentString() << " " << I->getName() << "\n";
O << "\t\t" << TAI->getCommentString() << " ";
PrintUnamedNameSafely(I, O);
O << "\n";
continue;
}
}
@ -319,8 +330,9 @@ bool X86SharedAsmPrinter::doFinalization(Module &M) {
}
EmitAlignment(Align, I);
O << name << ":\t\t\t\t" << TAI->getCommentString() << " " << I->getName()
<< "\n";
O << name << ":\t\t\t\t" << TAI->getCommentString() << " ";
PrintUnamedNameSafely(I, O);
O << "\n";
if (TAI->hasDotTypeDotSizeDirective())
O << "\t.size\t" << name << ", " << Size << "\n";
// If the initializer is a extern weak symbol, remember to emit the weak