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	Commit message (Collapse)	Author	Age
*	Add support of RDSEED defined in AVX2 extension	Michael Liao	2013-03-28
\| \| \| \|	git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178314 91177308-0d34-0410-b5e6-96231b3b80d8
*	Enhance boolean simplification to handle 16-/64-bit RDRAND	Michael Liao	2013-03-28
\| \| \| \| \| \| \| \| \| \| \|	- RDRAND always clears the destination value when a random value is not available (i.e. CF == 0). This value is truncated or zero-extended as the false boolean value to be returned. Boolean simplification needs to skip this 'zext' or 'trunc' node. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@178312 91177308-0d34-0410-b5e6-96231b3b80d8
*	Add boolean simplification support from CMOV	Michael Liao	2012-09-10
\| \| \| \| \| \| \| \| \| \|	- If a boolean value is generated from CMOV and tested as boolean value, simplify the use of test result by referencing the original condition. RDRAND intrinisc is one of such cases. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163516 91177308-0d34-0410-b5e6-96231b3b80d8
*	add X86-specific DAG optimization to simplify boolean test	Michael Liao	2012-08-10
	- if a boolean test (X86ISD::CMP or X86ISD:SUB) checks a boolean value generated from X86ISD::SETCC, try to simplify the boolean value generation and checking by reusing the original EFLAGS with proper condition code - add hooks to X86 specific SETCC/BRCOND/CMOV, the major 3 places consuming EFLAGS part of patches fixing PR12312 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161687 91177308-0d34-0410-b5e6-96231b3b80d8