commit fa1e73c447b61ba180cc85b78b53d78a6b63bbf6
author Jakob Stoklund Olesen <stoklund@2pi.dk> Thu Jun 24 23:57:35 2010 +0000
committer Jakob Stoklund Olesen <stoklund@2pi.dk> Thu Jun 24 23:57:35 2010 +0000
tree 99f0a42569d3431d96b3bfb83a4f959990caf087
parent 1cf753c87dc329404d5ac4bea7dd7fca813d510a

Make sure all eliminated kills are removed from VNInfo lists.

This fixes PR7479 and PR7485. The test cases from those PRs are big, so not
included. However, PR7485 comes from self hosting on FreeBSD, so we will surely
hear about any regression.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106811 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/LiveInterval.cpp

diff --git a/lib/CodeGen/LiveInterval.cpp b/lib/CodeGen/LiveInterval.cpp
index 7eb430d..bf0bdd1 100644
--- a/lib/CodeGen/LiveInterval.cpp
+++ b/lib/CodeGen/LiveInterval.cpp
@@ -484,6 +484,8 @@
     I->valno = NewVNInfo[OtherAssignments[RangeNo]];
     assert(I->valno && "Adding a dead range?");
     InsertPos = addRangeFrom(*I, InsertPos);
+    InsertPos->valno->removeKills(InsertPos->start,
+                                  InsertPos->end.getPrevSlot());
   }
 
   ComputeJoinedWeight(Other);