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Implement the SVR4 byval alignment for aggregates. Fixing a FIXME.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@153876 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -446,7 +446,16 @@ unsigned PPCTargetLowering::getByValTypeAlignment(Type *Ty) const {
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// Darwin passes everything on 4 byte boundary.
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if (TM.getSubtarget<PPCSubtarget>().isDarwin())
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return 4;
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// FIXME SVR4 TBD
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// 16byte and wider vectors are passed on 16byte boundary.
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if (VectorType *VTy = dyn_cast<VectorType>(Ty))
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if (VTy->getBitWidth() >= 128)
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return 16;
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// The rest is 8 on PPC64 and 4 on PPC32 boundary.
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if (PPCSubTarget.isPPC64())
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return 8;
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return 4;
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}
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