commit dc86d36af87906964ef7a91e057d990619fcea99
author Benjamin Kramer <benny.kra@googlemail.com> Sat Oct 29 19:43:38 2011 +0000
committer Copybara-Service <copybara-worker@google.com> Sun Sep 27 05:50:35 2020 -0700
tree 16acd63deec045863f4dae0e35a8ae6682a6a406
parent c588fce96f62a3cc2ff55b3e5b38c0b7a8be3d95

PPC: Disable moves for all CR subregisters.

Should fix assertion failures on ppc buildbots.

llvm-svn: 143290
GitOrigin-RevId: ff91dd9f07fddda9f1bdf77c530f0cbf13fe9e6b

lib/Target/PowerPC/PPCFrameLowering.cpp

diff --git a/lib/Target/PowerPC/PPCFrameLowering.cpp b/lib/Target/PowerPC/PPCFrameLowering.cpp
index 7dead10..0b85fea 100644
--- a/lib/Target/PowerPC/PPCFrameLowering.cpp
+++ b/lib/Target/PowerPC/PPCFrameLowering.cpp
@@ -490,10 +490,8 @@
 
       // This is a bit of a hack: CR2LT, CR2GT, CR2EQ and CR2UN are just
       // subregisters of CR2. We just need to emit a move of CR2.
-      if (Reg == PPC::CR2LT || Reg == PPC::CR2GT || Reg == PPC::CR2EQ)
+      if (PPC::CRBITRCRegisterClass->contains(Reg))
         continue;
-      if (Reg == PPC::CR2UN)
-        Reg = PPC::CR2;
 
       MachineLocation CSDst(MachineLocation::VirtualFP, Offset);
       MachineLocation CSSrc(Reg);