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Some notes on better load folding we could do
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30155 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -520,6 +520,7 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr *MI,
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{ X86::TEST16rr, X86::TEST16rm },
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{ X86::TEST32rr, X86::TEST32rm },
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{ X86::TEST8rr, X86::TEST8rm },
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// FIXME: TEST*rr EAX,EAX ---> CMP [mem], 0
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{ X86::UCOMISDrr, X86::UCOMISDrm },
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{ X86::UCOMISSrr, X86::UCOMISSrm },
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{ X86::XCHG16rr, X86::XCHG16rm },
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@ -667,6 +668,7 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr *MI,
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{ X86::SUBPSrr, X86::SUBPSrm },
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{ X86::SUBSDrr, X86::SUBSDrm },
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{ X86::SUBSSrr, X86::SUBSSrm },
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// FIXME: TEST*rr -> swapped operand of TEST*mr.
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{ X86::UNPCKHPDrr, X86::UNPCKHPDrm },
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{ X86::UNPCKHPSrr, X86::UNPCKHPSrm },
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{ X86::UNPCKLPDrr, X86::UNPCKLPDrm },
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