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Shrink TargetAlignElem a bit, we do a lot of searches on them.
llvm-svn: 164897
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477c891332
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@ -53,10 +53,10 @@ enum AlignTypeEnum {
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/// @note The unusual order of elements in the structure attempts to reduce
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/// padding and make the structure slightly more cache friendly.
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struct TargetAlignElem {
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AlignTypeEnum AlignType : 8; ///< Alignment type (AlignTypeEnum)
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unsigned ABIAlign; ///< ABI alignment for this type/bitw
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unsigned PrefAlign; ///< Pref. alignment for this type/bitw
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uint32_t TypeBitWidth; ///< Type bit width
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uint32_t AlignType : 8; ///< Alignment type (AlignTypeEnum)
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uint32_t TypeBitWidth : 24; ///< Type bit width
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uint32_t ABIAlign : 16; ///< ABI alignment for this type/bitw
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uint32_t PrefAlign : 16; ///< Pref. alignment for this type/bitw
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/// Initializer
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static TargetAlignElem get(AlignTypeEnum align_type, unsigned abi_align,
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@ -314,6 +314,8 @@ void
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TargetData::setAlignment(AlignTypeEnum align_type, unsigned abi_align,
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unsigned pref_align, uint32_t bit_width) {
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assert(abi_align <= pref_align && "Preferred alignment worse than ABI!");
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assert(pref_align < (1 << 16) && "Alignment doesn't fit in bitfield");
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assert(bit_width < (1 << 24) && "Bit width doesn't fit in bitfield");
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for (unsigned i = 0, e = Alignments.size(); i != e; ++i) {
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if (Alignments[i].AlignType == align_type &&
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Alignments[i].TypeBitWidth == bit_width) {
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