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Print out an informative comment for KILL instructions.
The KILL pseudo-instruction may survive to the asm printer pass, just like the IMPLICIT_DEF. Print the KILL as a comment instead of just leaving a blank line in the output. With -asm-verbose=0, a blank line is printed, like IMPLICIT?DEF. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86041 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -374,8 +374,10 @@ namespace llvm {
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/// printImplicitDef - This method prints the specified machine instruction
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/// that is an implicit def.
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virtual void printImplicitDef(const MachineInstr *MI) const;
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/// printKill - This method prints the specified kill machine instruction.
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virtual void printKill(const MachineInstr *MI) const;
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/// printPICJumpTableSetLabel - This method prints a set label for the
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/// specified MachineBasicBlock for a jumptable entry.
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virtual void printPICJumpTableSetLabel(unsigned uid,
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@ -1590,6 +1590,17 @@ void AsmPrinter::printImplicitDef(const MachineInstr *MI) const {
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<< TRI->getName(MI->getOperand(0).getReg());
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}
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void AsmPrinter::printKill(const MachineInstr *MI) const {
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if (!VerboseAsm) return;
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O.PadToColumn(MAI->getCommentColumn());
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O << MAI->getCommentString() << " kill:";
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for (unsigned n = 0, e = MI->getNumOperands(); n != e; ++n) {
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const MachineOperand &op = MI->getOperand(n);
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assert(op.isReg() && "KILL instruction must have only register operands");
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O << ' ' << TRI->getName(op.getReg()) << (op.isDef() ? "<def>" : "<kill>");
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}
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}
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/// printLabel - This method prints a local label used by debug and
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/// exception handling tables.
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void AsmPrinter::printLabel(const MachineInstr *MI) const {
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@ -1346,6 +1346,7 @@ void ARMAsmPrinter::printInstructionThroughMCStreamer(const MachineInstr *MI) {
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printLabel(MI);
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return;
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case TargetInstrInfo::KILL:
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printKill(MI);
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return;
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case TargetInstrInfo::INLINEASM:
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O << '\t';
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@ -306,6 +306,7 @@ void MSP430AsmPrinter::printInstructionThroughMCStreamer(const MachineInstr *MI)
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printLabel(MI);
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return;
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case TargetInstrInfo::KILL:
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printKill(MI);
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return;
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case TargetInstrInfo::INLINEASM:
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O << '\t';
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@ -412,6 +412,7 @@ void X86AsmPrinter::printInstructionThroughMCStreamer(const MachineInstr *MI) {
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printImplicitDef(MI);
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return;
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case TargetInstrInfo::KILL:
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printKill(MI);
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return;
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case X86::MOVPC32r: {
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MCInst TmpInst;
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