Merging r143290:
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r143290 | d0k | 2011-10-29 12:43:38 -0700 (Sat, 29 Oct 2011) | 3 lines
PPC: Disable moves for all CR subregisters.
Should fix assertion failures on ppc buildbots.
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llvm-svn: 143451
diff --git a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp b/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
index 7dead10..0b85fea 100644
--- a/llvm/lib/Target/PowerPC/PPCFrameLowering.cpp
+++ b/llvm/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);