Andrew Trick e0ef509aeb Increased the register pressure limit on x86_64 from 8 to 12 ... regs. This is the only change in this checkin that may affects the default scheduler. With better register tracking and heuristics, it doesn't make sense to artificially lower the register limit so much. Added -sched-high-latency-cycles and X86InstrInfo::isHighLatencyDef to give the scheduler a way to account for div and sqrt on targets that don't have an itinerary. It is currently defaults to 10 (the actual number doesn't matter much), but only takes effect on non-default schedulers: list-hybrid and list-ilp. Added several heuristics that can be individually disabled for the non-default sched=list-ilp mode. This helps us determine how much better we can do on a given benchmark than the default scheduler. Certain compute intensive loops run much faster in this mode with the right set of heuristics, and it doesn't seem to have much negative impact elsewhere. Not all of the heuristics are needed, but we still need to experiment to decide which should be disabled by default for sched=list-ilp. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127067 91177308-0d34-0410-b5e6-96231b3b80d8		2011-03-05 08:00:22 +00:00
..
CMakeLists.txt	Removed a bunch of unnecessary target_link_libraries.	2010-09-28 22:39:14 +00:00
DAGCombiner.cpp	Can't introduce floating-point immediate constants after legalization.	2011-03-02 19:36:30 +00:00
FastISel.cpp	If dbg_declare() or dbg_value() is not lowered by isel then emit DEBUG message instead of creating DBG_VALUE for undefined value in reg0.	2010-12-06 22:39:26 +00:00
FunctionLoweringInfo.cpp	There are times when the landing pad won't have a call to 'eh.selector' in	2011-03-03 23:14:05 +00:00
InstrEmitter.cpp	Simplify a bunch of isVirtualRegister() and isPhysicalRegister() logic.	2011-01-10 02:58:51 +00:00
InstrEmitter.h	Don't set kill flags for instructions which the scheduler has cloned.	2010-05-14 22:01:14 +00:00
LegalizeDAG.cpp	Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS.	2011-02-25 21:41:48 +00:00
LegalizeFloatTypes.cpp	Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS.	2011-02-25 21:41:48 +00:00
LegalizeIntegerTypes.cpp	Revert commit 126684 "Use the correct shift amount type". It is only the correct	2011-03-04 14:28:59 +00:00
LegalizeTypes.cpp	Move ExpandAtomic into the integer expansion routines - it's only used there.	2011-01-11 00:36:08 +00:00
LegalizeTypes.h	Revert r123908; the code in question is completely untested and wrong.	2011-03-03 22:33:23 +00:00
LegalizeTypesGeneric.cpp	Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept.	2010-11-23 03:31:01 +00:00
LegalizeVectorOps.cpp	Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept.	2010-11-23 03:31:01 +00:00
LegalizeVectorTypes.cpp	Add a few missed unary cases when legalizing vector results. Put some cases	2011-03-01 15:15:43 +00:00
Makefile	make -fno-rtti the default unless a directory builds with REQUIRES_RTTI.	2010-01-24 20:43:08 +00:00
ScheduleDAGFast.cpp	flags -> glue for selectiondag	2010-12-23 17:24:32 +00:00
ScheduleDAGList.cpp	Various bits of framework needed for precise machine-level selection	2010-12-24 05:03:26 +00:00
ScheduleDAGRRList.cpp	Increased the register pressure limit on x86_64 from 8 to 12	2011-03-05 08:00:22 +00:00
ScheduleDAGSDNodes.cpp	Increased the register pressure limit on x86_64 from 8 to 12	2011-03-05 08:00:22 +00:00
ScheduleDAGSDNodes.h	Introducing a new method of tracking register pressure. We can't	2011-02-04 03:18:17 +00:00
SDNodeDbgValue.h	Do not lose debug info of an inlined function argument even if the argument is only used through GEPs.	2011-02-18 22:43:42 +00:00
SDNodeOrdering.h	Allow 0 as an order number. Don't assign an order to formal arguments.	2009-12-22 21:35:02 +00:00
SelectionDAG.cpp	Avoid exponential blow-up when printing DAGs.	2011-03-02 23:38:06 +00:00
SelectionDAGBuilder.cpp	Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS.	2011-02-25 21:41:48 +00:00
SelectionDAGBuilder.h	Revert r124611 - "Keep track of incoming argument's location while emitting LiveIns."	2011-02-21 23:21:26 +00:00
SelectionDAGISel.cpp	trailing whitespace.	2011-03-01 01:39:05 +00:00
SelectionDAGPrinter.cpp	Pass the graph to the DOTGraphTraits.getEdgeAttributes().	2011-02-27 04:11:03 +00:00
TargetLowering.cpp	Allow targets to specify a the type of the RHS of a shift parameterized on the type of the LHS.	2011-02-25 21:41:48 +00:00
TargetSelectionDAGInfo.cpp	Implement a bunch more TargetSelectionDAGInfo infrastructure.	2010-05-11 17:31:57 +00:00