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0254e7033a
llvm-6502/lib/CodeGen/SelectionDAG
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Chris Lattner 0254e7033a Fix isNegatibleForFree to not return true for ConstantFP nodes 
after legalize.  Just because a constant is legal (e.g. 0.0 in SSE) 
doesn't mean that its negated value is legal (-0.0).  We could make
this stronger by checking to see if the negated constant is actually
legal post negation, but it doesn't seem like a big deal.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@47591 91177308-0d34-0410-b5e6-96231b3b80d8
2008-02-26 07:04:54 +00:00
..
CallingConvLower.cpp Rename MRegisterInfo to TargetRegisterInfo. 2008-02-10 18:45:23 +00:00
DAGCombiner.cpp Fix isNegatibleForFree to not return true for ConstantFP nodes 2008-02-26 07:04:54 +00:00
LegalizeDAG.cpp Make some static variables const. 2008-02-25 21:39:34 +00:00
LegalizeTypes.cpp In debug builds check that the key property holds: all 2008-02-25 16:21:21 +00:00
LegalizeTypes.h Add support to LegalizeTypes for building legal vectors 2008-02-24 07:36:03 +00:00
LegalizeTypesExpand.cpp Convert MaskedValueIsZero and all its users to use APInt. Also add 2008-02-25 21:11:39 +00:00
LegalizeTypesPromote.cpp Convert MaskedValueIsZero and all its users to use APInt. Also add 2008-02-25 21:11:39 +00:00
LegalizeTypesScalarize.cpp LegalizeTypes support for scalarizing a vector store 2008-02-20 17:38:09 +00:00
LegalizeTypesSplit.cpp LegalizeTypes support for scalarizing a vector store 2008-02-20 17:38:09 +00:00
Makefile remove attribution from lib Makefiles. 2007-12-29 20:09:26 +00:00
ScheduleDAG.cpp Rename CountMemOperands to ComputeMemOperandsEnd to reflect what 2008-02-16 00:36:48 +00:00
ScheduleDAGList.cpp Rename MRegisterInfo to TargetRegisterInfo. 2008-02-10 18:45:23 +00:00
ScheduleDAGRRList.cpp Update gcc 4.3 warnings fix patch with recent head changes 2008-02-20 11:10:28 +00:00
SelectionDAG.cpp Convert MaskedValueIsZero and all its users to use APInt. Also add 2008-02-25 21:11:39 +00:00
SelectionDAGISel.cpp Refactor inline asm constraint matching code out of SDIsel into TargetLowering. 2008-02-26 02:33:44 +00:00
SelectionDAGPrinter.cpp Rename MRegisterInfo to TargetRegisterInfo. 2008-02-10 18:45:23 +00:00
TargetLowering.cpp Refactor inline asm constraint matching code out of SDIsel into TargetLowering. 2008-02-26 02:33:44 +00:00