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Differential D87554 Diff 291603 llvm/include/llvm/Target/GlobalISel/Combine.td

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	(apply [{ return Helper.replaceSingleDefInstWithReg(*${root}, ${matchinfo}); }])	(apply [{ return Helper.replaceSingleDefInstWithReg(*${root}, ${matchinfo}); }])
	>;	>;

		// Fold (fabs (fabs x)) -> (fabs x).
		def fabs_fabs_fold_matchinfo : GIDefMatchData<"Register">;
		def fabs_fabs_fold: GICombineRule<
		(defs root:$root, fabs_fabs_fold_matchinfo:$matchinfo),
		(match (wip_match_opcode G_FABS):$root,
		[{ return Helper.matchCombineFAbsOfFAbs(*${root}, ${matchinfo}); }]),
		(apply [{ return Helper.applyCombineFAbsOfFAbs(*${root}, ${matchinfo}); }])
		>;

	// FIXME: These should use the custom predicate feature once it lands.	// FIXME: These should use the custom predicate feature once it lands.
	def undef_combines : GICombineGroup<[undef_to_fp_zero, undef_to_int_zero,	def undef_combines : GICombineGroup<[undef_to_fp_zero, undef_to_int_zero,
	undef_to_negative_one,	undef_to_negative_one,
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	shl_ashr_to_sext_inreg, sext_inreg_of_load,	shl_ashr_to_sext_inreg, sext_inreg_of_load,
	width_reduction_combines, select_combines,	width_reduction_combines, select_combines,
	known_bits_simplifications, ext_ext_fold,	known_bits_simplifications, ext_ext_fold,
	not_cmp_fold, opt_brcond_by_inverting_cond]>;	not_cmp_fold, opt_brcond_by_inverting_cond,
		fabs_fabs_fold]>;
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