Reorgnaize more switch code lowering to clean up some tricky
code, and to eliminate the need for the SelectionDAGBuilder
state to be live during CodeGenAndEmitDAG calls.

Call SDB->clear() before Cod

Reorgnaize more switch code lowering to clean up some tricky
code, and to eliminate the need for the SelectionDAGBuilder
state to be live during CodeGenAndEmitDAG calls.

Call SDB->clear() before CodeGenAndEmitDAG calls instead of
before it, and move the CurDAG->clear() out of SelectionDAGBuilder,
which doesn't own the DAG, and into CodeGenAndEmitDAG.

llvm-svn: 102814

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Delete the EdgeMapping variable itself.

llvm-svn: 102810

Refactor.

llvm-svn: 102661

DO not push DBG_VALUE machine instructions for inlined fuction arguments in entry block.

llvm-svn: 102653

Re-enable 102565 with fixes.

llvm-svn: 102602

Temporarily disable my changes to unbreak the build.

llvm-svn: 102590

Do not generate duplicate dbg_value instructions for function arguments.

llvm-svn: 102585

Avoid emitting a dbg_value machineinstr that's not going to be inserted into entry block.

llvm-svn: 102581

Check Reg against zero.

llvm-svn: 102573

tidy up.

llvm-svn: 102558

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

Ignore DBG_VALUE instructions that points to undef values.

llvm-svn: 102463

Revert a small part of 102372; this fixes at least one
of the dbg testsuite regressions. I don't think this is
really the right fix; this change exposed an existing problem
upstream somewhere.

llvm

Revert a small part of 102372; this fixes at least one
of the dbg testsuite regressions. I don't think this is
really the right fix; this change exposed an existing problem
upstream somewhere.

llvm-svn: 102410

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Remove crufty comments.

llvm-svn: 102380

Add DBG_VALUE handling for byval parameters; this
produces a comment on targets that support it, but
the Dwarf writer is not hooked up yet.

llvm-svn: 102372

Sink SelectionDAGBuilder's HandlePHINodesInSuccessorBlocks down
into SelectionDAGBuilder itself.

llvm-svn: 102128

Move HandlePHINodesInSuccessorBlocks functions out of SelectionDAGISel
and into SelectionDAGBuilder and FastISel.

llvm-svn: 102123

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-

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

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Move several SelectionDAG-independent utility functions out of the
SelectionDAG directory and into a new Analysis.cpp file.

llvm-svn: 101975

Sink the CopyToExportRegsIfNeeded calls out of SelectionDAGISel
into SelectionDAGBuilder. This avoids a separate pass over the
instructions, and has the side effect of providing debug location
inform

Sink the CopyToExportRegsIfNeeded calls out of SelectionDAGISel
into SelectionDAGBuilder. This avoids a separate pass over the
instructions, and has the side effect of providing debug location
information to the copy.

llvm-svn: 101906

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Don't send PHI nodes down to SelectionDAGBuilder of FastISel, since
they end up doing nothing.

llvm-svn: 101904

Sink DebugLoc handling out of SelectionDAGISel into FastISel and
SelectionDAGBuilder, where it doesn't have to be as complicated.

llvm-svn: 101848

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

Code that needs a TargetMachine should have access to one directly, rather
than just getting one through a TargetLowering.

llvm-svn: 101802

Move isInTailCallPosition out of SelectionDAGBuilder, as it isn't
SelectionDAG-specific.

llvm-svn: 101801