live at function entry.  This prevents it from using arg registers for other
purposes before the arguments are used.

llvm-svn: 28809

2. Add vector support.

llvm-svn: 28807

thing.  Doubles still need to be special cased.

llvm-svn: 28806

to get the alignment of the element type.

llvm-svn: 28799

llvm-svn: 28795

llvm-svn: 28794

operands. e.g.
def CALL32r : I<0xFF, MRM2r, (ops GR32:$dst, variable_ops),
                "call {*}$dst", [(X86call GR32:$dst)]>;
TableGen should emit operand informations for the "required" operands.

Added a target instruction info flag M_VARIABLE_OPS to indicate the target
instruction may have more operands in addition to the minimum required
operands.

llvm-svn: 28791

llvm-svn: 28782

functions.

llvm-svn: 28781

This fixes CodeGen/Generic/2006-06-12-LowerSwitchCrash.ll

llvm-svn: 28755

llvm-svn: 28752

truncated.

llvm-svn: 28733

implement extension of a register.

llvm-svn: 28731

llvm-svn: 28727

Provide GraphViz support for MingW32. Patch provided by Anton Korobeynikov

llvm-svn: 28688

Add support for Graphviz. Patch contributed by Anton Korobeynikov.

llvm-svn: 28684

LiveIntervalAnalysis.cpp:218: error: floating constant exceeds range of 'double'

llvm-svn: 28620

BCWriter, and bzip2 libraries. Adjust the various makefiles to accommodate
these changes. This was done to speed up link times.

llvm-svn: 28610

llvm-svn: 28592

llvm-svn: 28585

llvm-svn: 28584

latency targets, e.g. PPC32.

llvm-svn: 28561

non-deterministic. Returns NULL when it's empty!

llvm-svn: 28560

SimplifySelectOps would eliminate a Select, delete it, then return true.

The clients would see that it did something and return null.

The top level would see a null return, and decide that nothing happened,
proceeding to process the node in other ways: boom.

The fix is simple: clients of SimplifySelectOps should return the select
node itself.

In order to catch really obnoxious boogs like this in the future, add an
assert that nodes are not deleted.  We do this by checking for a sentry node
type that the SDNode dtor sets when a node is destroyed.

llvm-svn: 28514

instead of MVT::i1. Either is fine except MVT::i32 is probably a legal type
for most (if not all) platforms while MVT::i1 is not.

llvm-svn: 28511

RET chain, value1, sign1, value2, sign2

llvm-svn: 28509

llvm-svn: 28492

llvm-svn: 28465

llvm-svn: 28461

by Anton Korobeynikov!  This is a step towards closing PR786.

llvm-svn: 28447

llvm-svn: 28437

llvm-svn: 28435

llvm-svn: 28433

llvm-svn: 28386

use getPackedTypeBreakdown at all here.

llvm-svn: 28365

llvm-svn: 28364

VBIT_VECTOR nodes. There were some confusion about the semantics of
getPackedTypeBreakdown(). e.g. for <4 x f32> it returns 1 and v4f32, not 4,
and f32.

llvm-svn: 28352

use UpdateNodeOperands to just update the operands!  This is important because
getNode will allocate a new node if the node returns a flag and this breaks
assumptions in the legalizer that you can legalize some things multiple times
and get exactly the same results.

This latent bug was exposed by my ppc patch last night, and this fixes
gsm/toast.

llvm-svn: 28348

change.

llvm-svn: 28347

llvm-svn: 28340