Chad Rosier a73b6fc511 Add x86-specific DAG combine to simplify: ... x == -y --> x+y == 0 x != -y --> x+y != 0 On x86, the generated code goes from negl %esi cmpl %esi, %edi je .LBB0_2 to addl %esi, %edi je .L4 This case is correctly handled for ARM with "cmn". Patch by Manman Ren. rdar://11245199 PR12545 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155739 91177308-0d34-0410-b5e6-96231b3b80d8		2012-04-27 22:33:25 +00:00
..
ARM	Fix the order of the operands in the llvm.fma intrinsic patterns for ARM,	2012-04-27 18:51:24 +00:00
CellSPU
CPP
Generic
Hexagon	Revert r155365, r155366, and r155367. All three of these have regression	2012-04-23 18:25:57 +00:00
MBlaze
Mips	Do not use $gp as a dedicated global register if the target ABI is not O32.	2012-04-25 01:24:52 +00:00
MSP430
PowerPC
PTX
SPARC
Thumb	Make test less fragile.	2012-04-27 20:48:18 +00:00
Thumb2	If triple is armv7 / thumbv7 and a CPU is specified, do not automatically assume	2012-04-26 01:13:36 +00:00
X86	Add x86-specific DAG combine to simplify:	2012-04-27 22:33:25 +00:00
XCore