Dan Gohman a6e5948fce Don't create ISD::FNEG nodes after legalize if they aren't legal. ... Simplify x+0 to x in unsafe-fp-math mode. This avoids a bunch of redundant work in many cases, because in unsafe-fp-math mode, ISD::FADD with a constant is considered free to negate, so the DAGCombiner often negates x+0 to -0-x thinking it's free, when in reality the end result is -x, which is more expensive than x. Also, combine x*0 to 0. This fixes PR3374. llvm-svn: 62789		2009-01-22 21:58:43 +00:00
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CallingConvLower.cpp	Add "inreg" field to CallSDNode (doesn't increase	2008-09-26 19:31:26 +00:00
CMakeLists.txt	Experimental post-pass scheduling support. Post-pass scheduling	2008-11-19 23:18:57 +00:00
DAGCombiner.cpp	Don't create ISD::FNEG nodes after legalize if they aren't legal.	2009-01-22 21:58:43 +00:00
FastISel.cpp	Eliminate a couple of fields from TargetRegisterClass: SubRegClasses and SuperRegClasses. These are not necessary. Also eliminate getSubRegisterRegClass and getSuperRegisterRegClass. These are slow and their results can change if register file names change. Just use TargetLowering::getRegClassFor() to get the right TargetRegisterClass instead.	2009-01-22 09:10:11 +00:00
LegalizeDAG.cpp	Add SelectionDAG::getNOT method to construct bitwise NOT operations,	2009-01-22 17:39:32 +00:00
LegalizeFloatTypes.cpp	Cleanup whitespace and comments, and tweak some	2009-01-21 09:00:29 +00:00
LegalizeIntegerTypes.cpp	Cleanup whitespace and comments, and tweak some	2009-01-21 09:00:29 +00:00
LegalizeTypes.cpp	Cleanup whitespace and comments, and tweak some	2009-01-21 09:00:29 +00:00
LegalizeTypes.h	Cleanup whitespace and comments, and tweak some	2009-01-21 09:00:29 +00:00
LegalizeTypesGeneric.cpp	Preserve SourceValue information when lowering produces multiple loads from	2008-12-16 18:25:36 +00:00
LegalizeVectorTypes.cpp	Added missing support to widen an operand from a bit convert.	2009-01-15 22:43:38 +00:00
Makefile	Removed trailing whitespace from Makefiles.	2009-01-09 16:44:42 +00:00
ScheduleDAGFast.cpp	Move a few containers out of ScheduleDAGInstrs::BuildSchedGraph	2009-01-15 19:20:50 +00:00
ScheduleDAGList.cpp	Initial hazard recognizer support in post-pass scheduling. This includes	2009-01-16 01:33:36 +00:00
ScheduleDAGRRList.cpp	Move a few containers out of ScheduleDAGInstrs::BuildSchedGraph	2009-01-15 19:20:50 +00:00
ScheduleDAGSDNodes.cpp	CreateVirtualRegisters does trivial copy coalescing. If a node def is used by a single CopyToReg, it reuses the virtual register assigned to the CopyToReg. This won't work for SDNode that is a clone or is itself cloned. Disable this optimization for those nodes or it can end up with non-SSA machine instructions.	2009-01-16 20:57:18 +00:00
ScheduleDAGSDNodesEmit.cpp	Eliminate a couple of fields from TargetRegisterClass: SubRegClasses and SuperRegClasses. These are not necessary. Also eliminate getSubRegisterRegClass and getSuperRegisterRegClass. These are slow and their results can change if register file names change. Just use TargetLowering::getRegClassFor() to get the right TargetRegisterClass instead.	2009-01-22 09:10:11 +00:00
SelectionDAG.cpp	Don't create ISD::FNEG nodes after legalize if they aren't legal.	2009-01-22 21:58:43 +00:00
SelectionDAGBuild.cpp	Cleanup whitespace and comments, and tweak some	2009-01-21 09:00:29 +00:00
SelectionDAGBuild.h	Initial checkin of APInt'ififcation of switch lowering	2008-12-23 22:25:27 +00:00
SelectionDAGISel.cpp	Change TargetInstrInfo::isMoveInstr to return source and destination sub-register indices as well.	2009-01-20 19:12:24 +00:00
SelectionDAGPrinter.cpp	Use DebugInfo interface to lower dbg_* intrinsics.	2009-01-13 00:35:13 +00:00
TargetLowering.cpp	Add SelectionDAG::getNOT method to construct bitwise NOT operations,	2009-01-22 17:39:32 +00:00