From: Bill Wendling <isanbard@gmail.com>
Date: Fri, 7 Mar 2008 23:45:15 +0000 (+0000)
Subject: Something that kills a super-register also
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d93ae242d3bb0a306c05a03dad9bf3ec8eba8ceb;p=oota-llvm.git

Something that kills a super-register also
kills the sub-register.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48038 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/RegisterScavenging.cpp b/lib/CodeGen/RegisterScavenging.cpp
index 2535d78cd98..eb1570df52c 100644
--- a/lib/CodeGen/RegisterScavenging.cpp
+++ b/lib/CodeGen/RegisterScavenging.cpp
@@ -170,8 +170,7 @@ void RegScavenger::forward() {
       // instruction.
       for (const unsigned *SubRegs = TRI->getSubRegisters(Reg);
            unsigned SubReg = *SubRegs; ++SubRegs)
-        if (!RedefinesSuperRegPart(MI, Reg, TRI))
-          ChangedRegs.set(SubReg);
+        ChangedRegs.set(SubReg);
     }
   }