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handle X86::EH_RETURN64 and X86::EH_RETURN.

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llvm-svn: 117378
This commit is contained in:
Rafael Espindola 2010-10-26 18:09:55 +00:00
parent 1940ad62ca
commit adaf2ea5c6
1 changed files with 17 additions and 0 deletions
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17
lib/Target/X86/X86MCInstLower.cpp
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@ -12,6 +12,7 @@
//
//===----------------------------------------------------------------------===//
#include "InstPrinter/X86ATTInstPrinter.h"
#include "X86MCInstLower.h"
#include "X86AsmPrinter.h"
#include "X86COFFMachineModuleInfo.h"
@ -415,6 +416,13 @@ ReSimplify:
break;
}
case X86::EH_RETURN:
case X86::EH_RETURN64: {
OutMI = MCInst();
OutMI.setOpcode(X86::RET);
break;
}
// TAILJMPd, TAILJMPd64 - Lower to the correct jump instructions.
case X86::TAILJMPr:
case X86::TAILJMPd:
@ -543,6 +551,15 @@ void X86AsmPrinter::EmitInstruction(const MachineInstr *MI) {
OutStreamer.EmitRawText(StringRef("\t#MEMBARRIER"));
return;
case X86::EH_RETURN:
case X86::EH_RETURN64: {
// Lower these as normal, but add some comments.
unsigned Reg = MI->getOperand(0).getReg();
OutStreamer.AddComment(StringRef("eh_return, addr: %") +
X86ATTInstPrinter::getRegisterName(Reg));
break;
}
case X86::TAILJMPr:
case X86::TAILJMPd:
case X86::TAILJMPd64: