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- Add MachineInstrBundle.h and MachineInstrBundle.cpp. This includes a function

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to finalize MI bundles (i.e. add BUNDLE instruction and computing register def
  and use lists of the BUNDLE instruction) and a pass to unpack bundles.
- Teach more of MachineBasic and MachineInstr methods to be bundle aware.
- Switch Thumb2 IT block to MI bundles and delete the hazard recognizer hack to
  prevent IT blocks from being broken apart.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146542 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2011-12-14 02:11:42 +00:00
parent 8f644259dc
commit ddfd1377d2
28 changed files with 653 additions and 169 deletions
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8
lib/CodeGen/MachineVerifier.cpp
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@@ -279,13 +279,17 @@ bool MachineVerifier::runOnMachineFunction(MachineFunction &MF) {
for (MachineFunction::const_iterator MFI = MF.begin(), MFE = MF.end();
MFI!=MFE; ++MFI) {
visitMachineBasicBlockBefore(MFI);
for (MachineBasicBlock::const_iterator MBBI = MFI->begin(),
MBBE = MFI->end(); MBBI != MBBE; ++MBBI) {
for (MachineBasicBlock::const_instr_iterator MBBI = MFI->instr_begin(),
MBBE = MFI->instr_end(); MBBI != MBBE; ++MBBI) {
if (MBBI->getParent() != MFI) {
report("Bad instruction parent pointer", MFI);
*OS << "Instruction: " << *MBBI;
continue;
}
// Skip BUNDLE instruction for now. FIXME: We should add code to verify
// the BUNDLE's specifically.
if (MBBI->isBundle())
continue;
visitMachineInstrBefore(MBBI);
for (unsigned I = 0, E = MBBI->getNumOperands(); I != E; ++I)
visitMachineOperand(&MBBI->getOperand(I), I);