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Phase 2 of the great MachineRegisterInfo cleanup. This time, we're changing

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operator* on the by-operand iterators to return a MachineOperand& rather than
a MachineInstr&.  At this point they almost behave like normal iterators!

Again, this requires making some existing loops more verbose, but should pave
the way for the big range-based for-loop cleanups in the future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203865 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2014-03-13 23:12:04 +00:00
parent d3fc1be4f6
commit bf63022492
35 changed files with 255 additions and 150 deletions
Download Patch File Download Diff File Expand all files Collapse all files
lib/CodeGen/MachineSink.cpp
+4 -4
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@@ -174,7 +174,7 @@ MachineSinking::AllUsesDominatedByBlock(unsigned Reg,
for (MachineRegisterInfo::use_nodbg_iterator
I = MRI->use_nodbg_begin(Reg), E = MRI->use_nodbg_end();
I != E; ++I) {
MachineInstr *UseInst = &*I;
MachineInstr *UseInst = I->getParent();
MachineBasicBlock *UseBlock = UseInst->getParent();
if (!(UseBlock == MBB && UseInst->isPHI() &&
UseInst->getOperand(I.getOperandNo()+1).getMBB() == DefMBB)) {
@@ -189,7 +189,7 @@ MachineSinking::AllUsesDominatedByBlock(unsigned Reg,
I = MRI->use_nodbg_begin(Reg), E = MRI->use_nodbg_end();
I != E; ++I) {
// Determine the block of the use.
MachineInstr *UseInst = &*I;
MachineInstr *UseInst = I->getParent();
MachineBasicBlock *UseBlock = UseInst->getParent();
if (UseInst->isPHI()) {
// PHI nodes use the operand in the predecessor block, not the block with
@@ -450,8 +450,8 @@ bool MachineSinking::isProfitableToSinkTo(unsigned Reg, MachineInstr *MI,
// Check if only use in post dominated block is PHI instruction.
bool NonPHIUse = false;
for (MachineRegisterInfo::use_nodbg_iterator
I = MRI->use_nodbg_begin(Reg), E = MRI->use_nodbg_end();
for (MachineRegisterInfo::use_instr_nodbg_iterator
I = MRI->use_instr_nodbg_begin(Reg), E = MRI->use_instr_nodbg_end();
I != E; ++I) {
MachineInstr *UseInst = &*I;
MachineBasicBlock *UseBlock = UseInst->getParent();