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Reduce indentation with early exit.

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No functional change.

llvm-svn: 166829
This commit is contained in:
Jakob Stoklund Olesen 2012-10-26 23:05:13 +00:00
parent 74618f417a
commit 3831f9f19f
1 changed files with 21 additions and 22 deletions
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7
lib/CodeGen/TwoAddressInstructionPass.cpp
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@ -588,7 +588,9 @@ TwoAddressInstructionPass::convertInstTo3Addr(MachineBasicBlock::iterator &mi,
MachineFunction::iterator MFI = MBB;
MachineInstr *NewMI = TII->convertToThreeAddress(MFI, mi, LV);
assert(MBB == MFI && "convertToThreeAddress changed iterator reference");
if (NewMI) {
if (!NewMI)
return false;
DEBUG(dbgs() << "2addr: CONVERTING 2-ADDR: " << *mi);
DEBUG(dbgs() << "2addr: TO 3-ADDR: " << *NewMI);
bool Sunk = false;
@ -614,9 +616,6 @@ TwoAddressInstructionPass::convertInstTo3Addr(MachineBasicBlock::iterator &mi,
SrcRegMap.erase(RegA);
DstRegMap.erase(RegB);
return true;
}
return false;
}
/// scanUses - Scan forward recursively for only uses, update maps if the use