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Benjamin Kramer 94f07f8c2c InstCombine: Add a combine that turns (2^n)-1 ^ x back into (2^n)-1 - x iff x is smaller than 2^n and it fuses with a following add. This was intended to undo the sub canonicalization in cases where it's not profitable, but it also finds some cases on it's own. llvm-svn: 147256		2011-12-24 17:31:53 +00:00
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cmake	Use 'check_symbol_exists' instead of 'check_function_exists' for finding isatty. This change allows Xcode generated projects to have HAVE_ISATTY to be properly defined.	2011-12-23 01:31:45 +00:00
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include	Section relative fixups are a coff concept, not a x86 one. Replace the	2011-12-24 14:47:52 +00:00
lib	InstCombine: Add a combine that turns (2^n)-1 ^ x back into (2^n)-1 - x iff x is smaller than 2^n and it fuses with a following add.	2011-12-24 17:31:53 +00:00
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test	InstCombine: Add a combine that turns (2^n)-1 ^ x back into (2^n)-1 - x iff x is smaller than 2^n and it fuses with a following add.	2011-12-24 17:31:53 +00:00
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