Tim Northover 3e84ad28d4 ISelDAG: spot chain cycles involving MachineNodes ... Previously, the DAGISel function WalkChainUsers was spotting that it had entered already-selected territory by whether a node was a MachineNode (amongst other things). Since it's fairly common practice to insert MachineNodes during ISelLowering, this was not the correct check. Looking around, it seems that other nodes get their NodeId set to -1 upon selection, so this makes sure the same thing happens to all MachineNodes and uses that characteristic to determine whether we should stop looking for a loop during selection. This should fix PR15840. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191165 91177308-0d34-0410-b5e6-96231b3b80d8		2013-09-22 08:21:56 +00:00
..
AArch64	Implement 3 AArch64 neon instructions : umov smov ins.	2013-09-17 02:21:02 +00:00
ARM	Initialize BSSSection explicitly in InitMachOMCObjectFileInfo() to appease msvc.	2013-09-21 02:34:45 +00:00
CPP
Generic
Hexagon	Debug Info Testing: use null instead of an empty string in context field.	2013-09-09 00:12:17 +00:00
Inputs	Debug Info: add an identifier field to DICompositeType.	2013-08-26 22:39:55 +00:00
Mips	Set .reorder for the stub so that gas takes care of delay slot processing.	2013-09-21 01:37:52 +00:00
MSP430
NVPTX	[NVPTX] Make constant vector test case endian-independent	2013-09-19 13:14:44 +00:00
PowerPC	[PowerPC] Fix problems with large code model (PR17169).	2013-09-17 20:03:25 +00:00
R600	R600: Move code handling literal folding into R600ISelLowering.	2013-09-12 23:44:53 +00:00
SPARC	[Sparc] Add support for TLS in sparc.	2013-09-22 06:48:52 +00:00
SystemZ	[SystemZ] Add unsigned compare-and-branch instructions	2013-09-18 09:56:40 +00:00
Thumb	ARM: Use "dmb sy" for barriers on M-class CPUs	2013-08-28 14:39:19 +00:00
Thumb2	[ARMv8] Prevent generation of deprecated IT blocks on ARMv8 in Thumb mode.	2013-09-09 14:21:49 +00:00
X86	ISelDAG: spot chain cycles involving MachineNodes	2013-09-22 08:21:56 +00:00
XCore	XCore handling of thread local lowering	2013-09-09 10:42:11 +00:00