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c882a4eba9
llvm-mirror/lib/Target/PIC16
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Duncan Sands c882a4eba9 Revert the SelectionDAG optimization that makes 
it impossible to create a MERGE_VALUES node with
only one result: sometimes it is useful to be able
to create a node with only one result out of one of
the results of a node with more than one result, for
example because the new node will eventually be used
to replace a one-result node using ReplaceAllUsesWith,
cf X86TargetLowering::ExpandFP_TO_SINT.  On the other
hand, most users of MERGE_VALUES don't need this and
for them the optimization was valuable.  So add a new
utility method getMergeValues for creating MERGE_VALUES
nodes which by default performs the optimization.
Change almost everywhere to use getMergeValues (and
tidy some stuff up at the same time).

llvm-svn: 52893
2008-06-30 10:19:09 +00:00
..
Makefile
PIC16.h Fixed the file description header at the top to remove the developer name. 2008-05-14 06:50:01 +00:00
PIC16.td Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16AsmPrinter.cpp Unneeded include's. 2008-06-19 01:21:02 +00:00
PIC16CallingConv.td Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16ConstantPoolValue.cpp
PIC16ConstantPoolValue.h Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16InstrFormats.td Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16InstrInfo.cpp Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16InstrInfo.h
PIC16InstrInfo.td Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16ISelDAGToDAG.cpp Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16ISelLowering.cpp Revert the SelectionDAG optimization that makes 2008-06-30 10:19:09 +00:00
PIC16ISelLowering.h Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16RegisterInfo.cpp Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16RegisterInfo.h Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16RegisterInfo.td
PIC16Subtarget.cpp Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16Subtarget.h Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16TargetAsmInfo.cpp
PIC16TargetAsmInfo.h
PIC16TargetMachine.cpp Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00
PIC16TargetMachine.h Detabification. Fixed indentation and spacing. 2008-05-14 11:31:39 +00:00