LiveIntervals::Interval::expiredAt() and simplify regalloc code.

llvm-svn: 10894

llvm-svn: 10893

when we join intervals and one of the two will need to be removed.

llvm-svn: 10892

wheel.

llvm-svn: 10891

This saves about 15K in 176.gcc, coupled with another patch that I'm working on.

llvm-svn: 10889

llvm-svn: 10888

llvm-svn: 10885

bytecode files when compiling 176.gcc, but more importantly will make it
easier to eliminate CPR's in the future (no new .bc revision will be
required to support them)

llvm-svn: 10884

of forcing them to go through ConstantPointerRef's.  This allows bytecode
files to mirror .ll files, allows more efficient encoding, and makes it easier
to eventually eliminate CPR's.

llvm-svn: 10883

llvm-svn: 10882

header more easily includable.

llvm-svn: 10880

llvm-svn: 10879

llvm-svn: 10876

llvm-svn: 10875

llvm-svn: 10874

returning error codes.  Because they don't return an error code, they can
return the value read, which simplifies the code and makes the reader more
efficient (yaay!).

Also eliminate the special case code for little endian machines.

llvm-svn: 10871

llvm-svn: 10870

intended to save size (and does on small programs), but on big programs it
actually increases the size of the program slightly.  The deal is that many
functions end up using the characters that the string contained, and the
characters are no longer in the global constant table, so they have to be
emitted in function specific constant pools.

This pessimization will be fixed in subsequent patches.

llvm-svn: 10864

to emit all of those sbyte constants.

llvm-svn: 10863

that make up the strings to the slotcalculator.

llvm-svn: 10862

data.

llvm-svn: 10861

llvm-svn: 10860

llvm-svn: 10859

llvm-svn: 10858

byte, it's totally endian incorrect!

llvm-svn: 10857

llvm-svn: 10856

lay off the crack.

llvm-svn: 10855

It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away.  This also fixes
compatibility with arrays of [us]byte that have constantexprs in them.

Also slightly restructure some code to be cleaner.

llvm-svn: 10854

It's not clear why the code was looking for signed chars < 0, but it can't
matter to the assembler anyway, so the check goes away.

llvm-svn: 10853

llvm-svn: 10852

llvm-svn: 10851

i'm using in my work to reduce the bytecode file sizes.  These will eventually
be removed.

llvm-svn: 10849

the bytecode revision generated by LLVM 1.2.

llvm-svn: 10848

llvm-svn: 10847

of C++ programs in Shootout-C++, including lists1 and moments, etc

llvm-svn: 10845

because that makes it abort. Also, fix a typo in a comment.

This checkin brought to you by the "It only takes about 30 seconds to run
ENABLE_LLI tests on Shootout on zion, even if they all dump core" fund.

llvm-svn: 10844

llvm-svn: 10842

dominates the normal destination, not the exceptional dest (ie, the result
of a call is undefined on an exception)

llvm-svn: 10841

llvm-svn: 10838

Since this really only makes sense for these two, change hte instance variable
to reflect whether we are writing a bytecode file or not.  This makes it
reasonable to add bcwriter specific stuff to it as necessary.

llvm-svn: 10837