Don't try to fold V_SET0 and V_SETALLONES to loads in medium and
large code models. llvm-svn: 98042
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@ -2525,6 +2525,11 @@ MachineInstr* X86InstrInfo::foldMemoryOperandImpl(MachineFunction &MF,
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// Folding a V_SET0 or V_SETALLONES as a load, to ease register pressure.
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// Create a constant-pool entry and operands to load from it.
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// Medium and large mode can't fold loads this way.
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if (TM.getCodeModel() != CodeModel::Small &&
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TM.getCodeModel() != CodeModel::Kernel)
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return NULL;
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// x86-32 PIC requires a PIC base register for constant pools.
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unsigned PICBase = 0;
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if (TM.getRelocationModel() == Reloc::PIC_) {
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