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-rw-r--r--lib/CodeGen/RegAllocGreedy.cpp6
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 50e4546660..9ba67d9c64 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -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");
}
}