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| author | Dan Gohman <gohman@apple.com> | 2009-08-05 20:13:45 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-08-05 20:13:45 +0000 |
| commit | 87cc2c2dce8e67882e1ba725537f3ee27a7f2082 (patch) | |
| tree | d7fd5f7cc9103b4e720687ec0ce216f1e2aac8b7 | |
| parent | e556e8eb9f74ecb61d782811bb5d493499b21505 (diff) | |
| download | bcm5719-llvm-87cc2c2dce8e67882e1ba725537f3ee27a7f2082.tar.gz bcm5719-llvm-87cc2c2dce8e67882e1ba725537f3ee27a7f2082.zip | |
hasSuperClass tests for a strict superset relation, rather than
a superset relation. This code wants to test the regular superset
relation.
llvm-svn: 78236
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrInfo.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp index 22f8b53e328..784a790eb00 100644 --- a/llvm/lib/Target/X86/X86InstrInfo.cpp +++ b/llvm/lib/Target/X86/X86InstrInfo.cpp @@ -1698,8 +1698,8 @@ bool X86InstrInfo::copyRegToReg(MachineBasicBlock &MBB, else if (!DestRC->hasSubClass(SrcRC)) { // Neither of GR64_NOREX or GR64_NOSP is a superclass of the other, // but we want to copy then as GR64. - if (SrcRC->hasSuperClass(&X86::GR64RegClass) && - DestRC->hasSuperClass(&X86::GR64RegClass)) + if ((SrcRC == &X86::GR64RegClass || SrcRC->hasSuperClass(&X86::GR64RegClass)) && + (DestRC == &X86::GR64RegClass || DestRC->hasSuperClass(&X86::GR64RegClass))) CommonRC = &X86::GR64RegClass; else CommonRC = 0; |
