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| author | dim <dim@FreeBSD.org> | 2011-06-12 15:42:51 +0000 |
|---|---|---|
| committer | dim <dim@FreeBSD.org> | 2011-06-12 15:42:51 +0000 |
| commit | ece02cd5829cea836e9365b0845a8ef042d17b0a (patch) | |
| tree | b3032e51d630e8070e9e08d6641648f195316a80 /lib/CodeGen/TargetInstrInfoImpl.cpp | |
| parent | 2b066988909948dc3d53d01760bc2d71d32f3feb (diff) | |
| download | FreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.zip FreeBSD-src-ece02cd5829cea836e9365b0845a8ef042d17b0a.tar.gz | |
Vendor import of llvm trunk r132879:
http://llvm.org/svn/llvm-project/llvm/trunk@132879
Diffstat (limited to 'lib/CodeGen/TargetInstrInfoImpl.cpp')
| -rw-r--r-- | lib/CodeGen/TargetInstrInfoImpl.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp index b9fcd38..34e2b33 100644 --- a/lib/CodeGen/TargetInstrInfoImpl.cpp +++ b/lib/CodeGen/TargetInstrInfoImpl.cpp @@ -212,8 +212,7 @@ static const TargetRegisterClass *canFoldCopy(const MachineInstr *MI, if (TargetRegisterInfo::isPhysicalRegister(LiveOp.getReg())) return RC->contains(LiveOp.getReg()) ? RC : 0; - const TargetRegisterClass *LiveRC = MRI.getRegClass(LiveReg); - if (RC == LiveRC || RC->hasSubClass(LiveRC)) + if (RC->hasSubClassEq(MRI.getRegClass(LiveReg))) return RC; // FIXME: Allow folding when register classes are memory compatible. |
