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Indent multiline asm strings more nicely

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28132 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-05-05 21:47:05 +00:00
parent bd04aa5796
commit 1c05997bd8
1 changed files with 9 additions and 5 deletions
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14
lib/CodeGen/AsmPrinter.cpp
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@ -34,8 +34,8 @@ AsmPrinter::AsmPrinter(std::ostream &o, TargetMachine &tm)
GlobalVarAddrSuffix(""), GlobalVarAddrSuffix(""),
FunctionAddrPrefix(""), FunctionAddrPrefix(""),
FunctionAddrSuffix(""), FunctionAddrSuffix(""),
InlineAsmStart("#APP\n\t"), InlineAsmStart("#APP"),
InlineAsmEnd("\t#NO_APP\n"), InlineAsmEnd("#NO_APP"),
ZeroDirective("\t.zero\t"), ZeroDirective("\t.zero\t"),
ZeroDirectiveSuffix(0), ZeroDirectiveSuffix(0),
AsciiDirective("\t.ascii\t"), AsciiDirective("\t.ascii\t"),
@ -558,7 +558,7 @@ void AsmPrinter::EmitGlobalConstant(const Constant *CV) {
/// printInlineAsm - This method formats and prints the specified machine /// printInlineAsm - This method formats and prints the specified machine
/// instruction that is an inline asm. /// instruction that is an inline asm.
void AsmPrinter::printInlineAsm(const MachineInstr *MI) const { void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
O << InlineAsmStart; O << InlineAsmStart << "\n\t";
unsigned NumOperands = MI->getNumOperands(); unsigned NumOperands = MI->getNumOperands();
// Count the number of register definitions. // Count the number of register definitions.
@ -583,13 +583,17 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
// Not a special case, emit the string section literally. // Not a special case, emit the string section literally.
const char *LiteralEnd = LastEmitted+1; const char *LiteralEnd = LastEmitted+1;
while (*LiteralEnd && *LiteralEnd != '{' && *LiteralEnd != '|' && while (*LiteralEnd && *LiteralEnd != '{' && *LiteralEnd != '|' &&
*LiteralEnd != '}' && *LiteralEnd != '$') *LiteralEnd != '}' && *LiteralEnd != '$' && *LiteralEnd != '\n')
++LiteralEnd; ++LiteralEnd;
if (CurVariant == -1 || CurVariant == AsmPrinterVariant) if (CurVariant == -1 || CurVariant == AsmPrinterVariant)
O.write(LastEmitted, LiteralEnd-LastEmitted); O.write(LastEmitted, LiteralEnd-LastEmitted);
LastEmitted = LiteralEnd; LastEmitted = LiteralEnd;
break; break;
} }
case '\n':
++LastEmitted; // Consume newline character.
O << "\n\t"; // Indent code with newline.
break;
case '$': { case '$': {
++LastEmitted; // Consume '$' character. ++LastEmitted; // Consume '$' character.
if (*LastEmitted == '$') { // $$ -> $ if (*LastEmitted == '$') { // $$ -> $
@ -707,7 +711,7 @@ void AsmPrinter::printInlineAsm(const MachineInstr *MI) const {
break; break;
} }
} }
O << "\n" << InlineAsmEnd; O << "\n\t" << InlineAsmEnd << "\n";
} }
/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM /// PrintAsmOperand - Print the specified operand of MI, an INLINEASM