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Remove the nasty LABEL hack with a much less evil one. Now llvm.dbg.func.start implies a stoppoint is set. SelectionDAGISel records a new source line but does not create a ISD::LABEL node for this special stoppoint. Asm printer will magically print this label. This ensures nothing is emitted before.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@46635 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-02-01 09:10:45 +00:00
parent a647c92ec2
commit 1b08bbca55
8 changed files with 29 additions and 59 deletions
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4
lib/CodeGen/AsmPrinter.cpp
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@ -1285,6 +1285,10 @@ void AsmPrinter::printLabel(const MachineInstr *MI) const {
<< "label" << MI->getOperand(0).getImm() << ":\n";
}
void AsmPrinter::printLabel(unsigned Id) const {
O << "\n" << TAI->getPrivateGlobalPrefix() << "label" << Id << ":\n";
}
/// PrintAsmOperand - Print the specified operand of MI, an INLINEASM
/// instruction, using the specified assembler variant. Targets should
/// overried this to format as appropriate.