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The form of BuildMI used for TAILJMPr was changing the register

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containing the target address, an input, into an output.  I don't
think this actually broke anything on x86 (it does on ARM), but
it's wrong.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105986 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2010-06-15 03:13:49 +00:00
parent 400c95fe38
commit 4b559f070a
1 changed files with 4 additions and 2 deletions
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6
lib/Target/X86/X86RegisterInfo.cpp
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@ -1279,9 +1279,11 @@ void X86RegisterInfo::emitEpilogue(MachineFunction &MF,
for (unsigned i = 0; i != 5; ++i)
MIB.addOperand(MBBI->getOperand(i));
} else if (RetOpcode == X86::TCRETURNri64) {
BuildMI(MBB, MBBI, DL, TII.get(X86::TAILJMPr64), JumpTarget.getReg());
BuildMI(MBB, MBBI, DL, TII.get(X86::TAILJMPr64)).
addReg(JumpTarget.getReg(), JumpTarget.getTargetFlags());
} else {
BuildMI(MBB, MBBI, DL, TII.get(X86::TAILJMPr), JumpTarget.getReg());
BuildMI(MBB, MBBI, DL, TII.get(X86::TAILJMPr)).
addReg(JumpTarget.getReg(), JumpTarget.getTargetFlags());
}
MachineInstr *NewMI = prior(MBBI);