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Tweak debug spew.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122132 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen 2010-12-18 03:04:11 +00:00
parent a68a4fdf37
commit 87c6d25c71
1 changed files with 4 additions and 2 deletions
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6
lib/CodeGen/RegAllocGreedy.cpp
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@ -308,13 +308,15 @@ unsigned RAGreedy::trySplit(LiveInterval &VirtReg, AllocationOrder &Order,
// allocation order.
MachineLoopRange *Loop = 0;
for (unsigned i = 0, e = SplitLoops.size(); i != e; ++i) {
DEBUG(dbgs() << " Checking " << *SplitLoops[i]);
if (unsigned PhysReg = findInterferenceFreeReg(SplitLoops[i],
VirtReg, Order)) {
(void)PhysReg;
Loop = SplitLoops[i];
DEBUG(dbgs() << " " << TRI->getName(PhysReg)
<< " has no interferences in " << *Loop << '\n');
DEBUG(dbgs() << ": Use %" << TRI->getName(PhysReg) << '\n');
break;
} else {
DEBUG(dbgs() << ": Interference.\n");
}
}