From bfce678de7b509a497ac6d91f29e749adab7e40c Mon Sep 17 00:00:00 2001
From: Jakob Stoklund Olesen <stoklund@2pi.dk>
Date: Tue, 14 Dec 2010 19:38:49 +0000
Subject: Add LiveIntervalUnion print methods, RegAllocGreedy::trySplit debug
 spew.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121783 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/RegAllocGreedy.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'lib/CodeGen/RegAllocGreedy.cpp')

diff --git a/lib/CodeGen/RegAllocGreedy.cpp b/lib/CodeGen/RegAllocGreedy.cpp
index 46cfbe7234..324340ad17 100644
--- a/lib/CodeGen/RegAllocGreedy.cpp
+++ b/lib/CodeGen/RegAllocGreedy.cpp
@@ -269,6 +269,14 @@ unsigned RAGreedy::tryReassign(LiveInterval &VirtReg, AllocationOrder &Order) {
 unsigned RAGreedy::trySplit(LiveInterval &VirtReg, AllocationOrder &Order,
                             SmallVectorImpl<LiveInterval*>&SplitVRegs) {
   NamedRegionTimer T("Splitter", TimerGroupName, TimePassesIsEnabled);
+  Order.rewind();
+  while (unsigned PhysReg = Order.next()) {
+    DEBUG({
+      query(VirtReg, PhysReg).print(dbgs(), TRI);
+      for (const unsigned *AI = TRI->getAliasSet(PhysReg); *AI; ++AI)
+        query(VirtReg, *AI).print(dbgs(), TRI);
+    });
+  }
   return 0;
 }
 
-- 
cgit v1.2.3-18-g5258