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

llvm-svn: 28809

llvm-svn: 28808

2. Add vector support.

llvm-svn: 28807

thing.  Doubles still need to be special cased.

llvm-svn: 28806

llvm-svn: 28805

llvm-svn: 28804

idioms into bswap intrinsics.

llvm-svn: 28803

llvm-svn: 28802

llvm-svn: 28801

recognized as such!  This prevents the CppWriter from treating every
operand as a forward reference and making a mess of the output.

llvm-svn: 28800

to get the alignment of the element type.

llvm-svn: 28799

llvm-svn: 28798

llvm-svn: 28797

llvm-svn: 28796

llvm-svn: 28795

llvm-svn: 28794

llvm-svn: 28793

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: 28790

vector types are passed via XMM registers.

llvm-svn: 28789

llvm-svn: 28788

llvm-svn: 28787

llvm-svn: 28786

llvm-svn: 28784

llvm-svn: 28783

llvm-svn: 28782

functions.

llvm-svn: 28781

bug exposed by the recent lcssa work.

llvm-svn: 28779

llvm-svn: 28778

redundant they are.

llvm-svn: 28777

LCSSA is still the slowest pass when gccas'ing 252.eon, but now it only takes
39s instead of 289s. :)

llvm-svn: 28776

llvm-svn: 28775

llvm-svn: 28774

is the same as the recent patch to LCSSA.cpp.

llvm-svn: 28773

llvm-svn: 28772

not handling PHI nodes correctly when determining if a value was live-out.

This patch reduces the number of detected live-out variables in the testcase
from 6565 to 485.

llvm-svn: 28771

llvm-svn: 28769

ComputeMaskedBits.  DemandedMasks and KnownZero/One masks should never have
bits set out of the range of the base datatype.

llvm-svn: 28768

llvm-svn: 28767

llvm-svn: 28766