Chris Lattner 729c6d1da8 Fix a nasty dag combiner bug that caused nondeterminstic crashes (MY FAVORITE!): ... SimplifySelectOps would eliminate a Select, delete it, then return true. The clients would see that it did something and return null. The top level would see a null return, and decide that nothing happened, proceeding to process the node in other ways: boom. The fix is simple: clients of SimplifySelectOps should return the select node itself. In order to catch really obnoxious boogs like this in the future, add an assert that nodes are not deleted. We do this by checking for a sentry node type that the SDNode dtor sets when a node is destroyed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28514 91177308-0d34-0410-b5e6-96231b3b80d8		2006-05-27 00:43:02 +00:00
..
DAGCombiner.cpp	Fix a nasty dag combiner bug that caused nondeterminstic crashes (MY FAVORITE!):	2006-05-27 00:43:02 +00:00
LegalizeDAG.cpp	Change RET node to include signness information of the return values. e.g.	2006-05-26 23:09:09 +00:00
Makefile
ScheduleDAG.cpp	lib/Target/Target.td	2006-05-18 20:42:07 +00:00
ScheduleDAGList.cpp	Refactor a bunch of includes so that TargetMachine.h doesn't have to include	2006-05-12 06:33:49 +00:00
ScheduleDAGRRList.cpp	Turn on -sched-commute-nodes by default.	2006-05-25 08:37:31 +00:00
ScheduleDAGSimple.cpp	Refactor a bunch of includes so that TargetMachine.h doesn't have to include	2006-05-12 06:33:49 +00:00
SelectionDAG.cpp	Add a new ISD::CALL node, make the default impl of TargetLowering::LowerCallTo	2006-05-16 22:53:20 +00:00
SelectionDAGISel.cpp	Make CALL node consistent with RET node. Signness of value has type MVT::i32	2006-05-26 23:13:20 +00:00
SelectionDAGPrinter.cpp	print arbitrary constant pool entries	2006-03-05 09:38:03 +00:00
TargetLowering.cpp	Another typo. Pointed out by Nate Begeman.	2006-05-17 18:22:14 +00:00