commit 846b31d74aa673a178f57f9d47f366d8ddb756d3
author Andrew Trick <atrick@apple.com> Fri Aug 30 17:58:49 2013 +0000
committer Andrew Trick <atrick@apple.com> Fri Aug 30 17:58:49 2013 +0000
tree 1385f164c015211080b2b2b3228c2fc54856cfa4
parent 9bc94276e796d644cb425a7c7d38cc44dbf4e9c1

Use LiveRangeQuery for instruction-level liveness queries.

Remove redundant or bug-prone LiveInterval APIs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@189685 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/LiveRangeEdit.cpp

diff --git a/lib/CodeGen/LiveRangeEdit.cpp b/lib/CodeGen/LiveRangeEdit.cpp
index 8627111..9c374b1 100644
--- a/lib/CodeGen/LiveRangeEdit.cpp
+++ b/lib/CodeGen/LiveRangeEdit.cpp
@@ -278,7 +278,7 @@
     // Always shrink COPY uses that probably come from live range splitting.
     if (MI->readsVirtualRegister(Reg) &&
         (MI->isCopy() || MOI->isDef() || MRI.hasOneNonDBGUse(Reg) ||
-         LI.isKilledAtInstr(Idx)))
+         LiveRangeQuery(LI, Idx).isKill()))
       ToShrink.insert(&LI);
 
     // Remove defined value.