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Enhance finalizeBundle to return end of bundle iterator because it makes sense.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148462 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2012-01-19 06:13:10 +00:00
parent ae69f703d5
commit a2e435cd23
2 changed files with 9 additions and 5 deletions
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5
include/llvm/CodeGen/MachineInstrBundle.h
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@ -32,8 +32,9 @@ void finalizeBundle(MachineBasicBlock &MBB,
/// finalizeBundle - Same functionality as the previous finalizeBundle except
/// the last instruction in the bundle is not provided as an input. This is
/// used in cases where bundles are pre-determined by marking instructions
/// with 'InsideBundle' marker.
void finalizeBundle(MachineBasicBlock &MBB,
/// with 'InsideBundle' marker. It returns the MBB instruction iterator that
/// points to the end of the bundle.
MachineBasicBlock::instr_iterator finalizeBundle(MachineBasicBlock &MBB,
MachineBasicBlock::instr_iterator FirstMI);
} // End llvm namespace

9
lib/CodeGen/MachineInstrBundle.cpp
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@ -184,12 +184,15 @@ void llvm::finalizeBundle(MachineBasicBlock &MBB,
/// finalizeBundle - Same functionality as the previous finalizeBundle except
/// the last instruction in the bundle is not provided as an input. This is
/// used in cases where bundles are pre-determined by marking instructions
/// with 'InsideBundle' marker.
void llvm::finalizeBundle(MachineBasicBlock &MBB,
MachineBasicBlock::instr_iterator FirstMI) {
/// with 'InsideBundle' marker. It returns the MBB instruction iterator that
/// points to the end of the bundle.
MachineBasicBlock::instr_iterator
llvm::finalizeBundle(MachineBasicBlock &MBB,
MachineBasicBlock::instr_iterator FirstMI) {
MachineBasicBlock::instr_iterator E = MBB.instr_end();
MachineBasicBlock::instr_iterator LastMI = llvm::next(FirstMI);
while (LastMI != E && LastMI->isInsideBundle())
++LastMI;
finalizeBundle(MBB, FirstMI, LastMI);
return LastMI;
}