Commit Graph

23 Commits

Author SHA1 Message Date
Dan Gohman 63f31115cd Don't pass SDValues by non-const reference unless they may be
modified.

llvm-svn: 102816
2010-05-01 00:33:16 +00:00
Dan Gohman f0514717cd Delete the EdgeMapping variable itself.
llvm-svn: 102810
2010-05-01 00:02:20 +00:00
Evan Cheng 5fb45a2b85 Do not generate duplicate dbg_value instructions for function arguments.
llvm-svn: 102585
2010-04-29 01:40:30 +00:00
Evan Cheng 6e822459ed Replace r102368 with code that's less fragile. This creates DBG_VALUE instructions for function arguments early and insert them after instruction selection is done.
llvm-svn: 102554
2010-04-28 23:08:54 +00:00
Dan Gohman 5b43aa0ddd Sink SelectionDAGBuilder's HandlePHINodesInSuccessorBlocks down
into SelectionDAGBuilder itself.

llvm-svn: 102128
2010-04-22 20:55:53 +00:00
Dan Gohman c594eab10f Move HandlePHINodesInSuccessorBlocks functions out of SelectionDAGISel
and into SelectionDAGBuilder and FastISel.

llvm-svn: 102123
2010-04-22 20:46:50 +00:00
Dan Gohman fd81254190 Move PHINodesToUpdate out of SelectionDAGBuilder and into
FunctionLoweringInfo, as it isn't SelectionDAG-specific. This isn't
completely natural, as PHI node state is not per-function but rather
per-basic-block, however there's currently no other convenient
per-basic-block state to group it with.

llvm-svn: 102109
2010-04-22 19:55:20 +00:00
Dan Gohman f41ad478ca Don't send PHI nodes down to SelectionDAGBuilder of FastISel, since
they end up doing nothing.

llvm-svn: 101904
2010-04-20 15:00:41 +00:00
Dan Gohman e450d7444d Sink DebugLoc handling out of SelectionDAGISel into FastISel and
SelectionDAGBuilder, where it doesn't have to be as complicated.

llvm-svn: 101848
2010-04-20 00:48:35 +00:00
Dan Gohman 7c0303a059 Eliminate the CurMBB member from SelectionDAGBuilder. For places that
need it, just pass around the parent block of the current instruction
explicitly.

llvm-svn: 101822
2010-04-19 22:41:47 +00:00
Dan Gohman c334960f16 Code that needs a TargetMachine should have access to one directly, rather
than just getting one through a TargetLowering.

llvm-svn: 101802
2010-04-19 19:05:59 +00:00
Dan Gohman 21cea8ac2e Use const qualifiers with TargetLowering. This eliminates several
const_casts, and it reinforces the design of the Target classes being
immutable.

SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.

And PIC16's AsmPrinter no longer uses TargetLowering.

llvm-svn: 101635
2010-04-17 15:26:15 +00:00
Dan Gohman bcaf681cde Add const qualifiers to CodeGen's use of LLVM IR constructs.
llvm-svn: 101334
2010-04-15 01:51:59 +00:00
Dan Gohman f5cca35750 Fix typos in comments.
llvm-svn: 101266
2010-04-14 18:24:06 +00:00
Dan Gohman fea9ba18ff Delete an obsolete comment.
llvm-svn: 101264
2010-04-14 17:40:25 +00:00
Chris Lattner fb964e57e5 remove the now-redundant MMI pointer in SelectionDAG.
llvm-svn: 100419
2010-04-05 06:19:28 +00:00
Chris Lattner bd009d6d6d stop using DebugLoc::getUnknownLoc()
llvm-svn: 100215
2010-04-02 20:17:23 +00:00
Bill Wendling 954cb187e0 Assign the ordering of SDNodes in a much less intrusive fashion. After the
"visit*" method is called, take the newly created nodes, walk them in a DFS
fashion, and if they don't have an ordering set, then give it one.

llvm-svn: 94757
2010-01-28 21:51:40 +00:00
Chris Lattner 24576a5cf3 whitespace cleanup
llvm-svn: 92404
2010-01-01 23:37:34 +00:00
Chris Lattner 1a32ede6fd move an optimization for memcmp out of simplifylibcalls and into
SDISel.  This optimization was causing simplifylibcalls to 
introduce type-unsafe nastiness.  This is the first step, I'll be 
expanding the memcmp optimizations shortly, covering things that
we really really wouldn't want simplifylibcalls to do.

llvm-svn: 92098
2009-12-24 00:37:38 +00:00
Bill Wendling 919b7aab2e Add more plumbing. This time in the LowerArguments and "get" functions which
return partial registers. This affected the back-end lowering code some.

Also patch up some places I missed before in the "get" functions.

llvm-svn: 91880
2009-12-22 02:10:19 +00:00
Bill Wendling 022d18fa3f Changes from review:
- Move DisableScheduling flag into TargetOption.h
- Move SDNodeOrdering into its own header file. Give it a minimal interface that
  doesn't conflate construction with storage.
- Move assigning the ordering into the SelectionDAGBuilder.

This isn't used yet, so there should be no functional changes.

llvm-svn: 91727
2009-12-18 23:32:53 +00:00
Dan Gohman 1a6c47f1cb Rename SelectionDAGLowering to SelectionDAGBuilder, and rename
SelectionDAGBuild.cpp to SelectionDAGBuilder.cpp.

llvm-svn: 89681
2009-11-23 18:04:58 +00:00