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First chunk of MachineInstr bundle support.

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1. Added opcode BUNDLE
2. Taught MachineInstr class to deal with bundled MIs
3. Changed MachineBasicBlock iterator to skip over bundled MIs; added an iterator to walk all the MIs
4. Taught MachineBasicBlock methods about bundled MIs


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145975 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2011-12-06 22:12:01 +00:00
parent 3d5d8f6b76
commit 7c2a4a30e0
19 changed files with 369 additions and 69 deletions
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2
lib/Target/Mips/MipsCodeEmitter.cpp
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@ -144,7 +144,7 @@ bool MipsCodeEmitter::runOnMachineFunction(MachineFunction &MF) {
for (MachineFunction::iterator MBB = MF.begin(), E = MF.end();
MBB != E; ++MBB){
MCE.StartMachineBasicBlock(MBB);
for (MachineBasicBlock::const_iterator I = MBB->begin(), E = MBB->end();
for (MachineBasicBlock::iterator I = MBB->begin(), E = MBB->end();
I != E; ++I)
emitInstruction(*I);
}