MachineInstr can change. Store indexes instead.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44612 91177308-0d34-0410-b5e6-96231b3b80d8

If a split live interval is spilled again, remove the kill marker on its last use.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44611 91177308-0d34-0410-b5e6-96231b3b80d8

Clobber more bugs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44610 91177308-0d34-0410-b5e6-96231b3b80d8

Fix kill info for split intervals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44609 91177308-0d34-0410-b5e6-96231b3b80d8

more scalarization

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44608 91177308-0d34-0410-b5e6-96231b3b80d8

scalarize vector binops

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44607 91177308-0d34-0410-b5e6-96231b3b80d8

- Mark last use of a split interval as kill instead of letting spiller track it.
  This allows an important optimization to be re-enabled.
- If all uses / defs of a split interval can be folded, give the interval a
  low spill weight so it would not be picked in case spilling is needed (avoid
  pushing other intervals in the same BB to be spilled).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44601 91177308-0d34-0410-b5e6-96231b3b80d8

Add a argument to storeRegToStackSlot and storeRegToAddr to specify whether
the stored register is killed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44600 91177308-0d34-0410-b5e6-96231b3b80d8

fixed header attribution

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44599 91177308-0d34-0410-b5e6-96231b3b80d8

More stuff for CellSPU -- this should be enough to get an error-free
compilation (no files missing). Test cases remain to be checked in.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44598 91177308-0d34-0410-b5e6-96231b3b80d8

Updated source file headers to llvm coding standard.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44597 91177308-0d34-0410-b5e6-96231b3b80d8

Two missing files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44596 91177308-0d34-0410-b5e6-96231b3b80d8

Main CellSPU backend files checked in. Intrinsics and autoconf files
remain.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44595 91177308-0d34-0410-b5e6-96231b3b80d8

Handle 0 correctly in string->APFloat conversion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44594 91177308-0d34-0410-b5e6-96231b3b80d8

Added "Emitter" functor to allow easy emitting of elements of a container
using std::for_each.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44589 91177308-0d34-0410-b5e6-96231b3b80d8

Remove a unsafe optimization. This fixes 401.bzip2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44587 91177308-0d34-0410-b5e6-96231b3b80d8

Add --with-llvmgcc= and --with-llvmgxx= configure options.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44586 91177308-0d34-0410-b5e6-96231b3b80d8

More files in the CellSPU drop...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44584 91177308-0d34-0410-b5e6-96231b3b80d8

More of the Cell SPU code drop from "Team Aerospace".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44582 91177308-0d34-0410-b5e6-96231b3b80d8

Spiller unfold optimization bug: do not clobber a reusable stack slot value unless it can be modified.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44575 91177308-0d34-0410-b5e6-96231b3b80d8

Implement framework for scalarizing node results.  This is sufficient
to codegen this:

define float @test_extract_elt(<1 x float> * %P) {
%p = load <1 x float>* %P
%R = extractelement <1 x float> %p, i32 0
ret float %R
}

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44570 91177308-0d34-0410-b5e6-96231b3b80d8

start providing framework for scalarizing vectors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44569 91177308-0d34-0410-b5e6-96231b3b80d8

Discard split intervals made empty due to folding.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44565 91177308-0d34-0410-b5e6-96231b3b80d8

More CellSPU files... more to follow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44559 91177308-0d34-0410-b5e6-96231b3b80d8

Makefile fragment for CellSPU.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44558 91177308-0d34-0410-b5e6-96231b3b80d8

First commit to CellSPU. More to follow

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44557 91177308-0d34-0410-b5e6-96231b3b80d8

Bug fixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44549 91177308-0d34-0410-b5e6-96231b3b80d8

Track dependencies when creating symlinks to LLVM libraries next
to the ocaml bindings. This is required on Windows where 'ln -sf'
actually creates a copy. Thanks to Alain Frisch for noticing this.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44547 91177308-0d34-0410-b5e6-96231b3b80d8

Regenerate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44546 91177308-0d34-0410-b5e6-96231b3b80d8

Fix fallout from my last patch: don't reject varargs functions :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44545 91177308-0d34-0410-b5e6-96231b3b80d8

Rather than having special rules like "intrinsics cannot
throw exceptions", just mark intrinsics with the nounwind
attribute.  Likewise, mark intrinsics as readnone/readonly
and get rid of special aliasing logic (which didn't use
anything more than this anyway).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44544 91177308-0d34-0410-b5e6-96231b3b80d8

update file comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44543 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44542 91177308-0d34-0410-b5e6-96231b3b80d8

Regenerate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44541 91177308-0d34-0410-b5e6-96231b3b80d8

If ExitValue operand is also defined in Loop header then
insert new ExitValue after this operand definition.

This fixes PR1828.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44539 91177308-0d34-0410-b5e6-96231b3b80d8

More sanity checks for function types.
Thanks goes to PyPy folks for generating broken stuff :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44538 91177308-0d34-0410-b5e6-96231b3b80d8

Describe the notion of 'owners' of the code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44537 91177308-0d34-0410-b5e6-96231b3b80d8

Applying Anton's binmode fix to the other ofstream too.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44535 91177308-0d34-0410-b5e6-96231b3b80d8

Sorry, typo :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44534 91177308-0d34-0410-b5e6-96231b3b80d8

Open output file correctly. This is extremely important for
windows-based hosts, where files are opened in text mode by default.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44533 91177308-0d34-0410-b5e6-96231b3b80d8

Typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44532 91177308-0d34-0410-b5e6-96231b3b80d8

Update kill info for uses of split intervals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44531 91177308-0d34-0410-b5e6-96231b3b80d8

Provide hook for _alloca to make JITing on Cygwin slightly happier :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44528 91177308-0d34-0410-b5e6-96231b3b80d8

lli -trace was removed back in 2003.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44527 91177308-0d34-0410-b5e6-96231b3b80d8

Type::IntTy hasn't existed for a while. Just sub in Type::Int32Ty.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44526 91177308-0d34-0410-b5e6-96231b3b80d8

explain what I need to grant commit access.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44524 91177308-0d34-0410-b5e6-96231b3b80d8

fix typo noticed by Joshua Pennington

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44522 91177308-0d34-0410-b5e6-96231b3b80d8

Remove redundant foldMemoryOperand variants and other code clean up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44517 91177308-0d34-0410-b5e6-96231b3b80d8

Adding ocamldoc-style comments for the Ocaml bindings.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44494 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a typo noticed by Alain Frisch.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44493 91177308-0d34-0410-b5e6-96231b3b80d8

Integrate the readonly/readnone logic more deeply
into alias analysis.  This meant updating the API
which now has versions of the getModRefBehavior,
doesNotAccessMemory and onlyReadsMemory methods
which take a callsite parameter.  These should be
used unless the callsite is not known, since in
general they can do a better job than the versions
that take a function.  Also, users should no longer
call the version of getModRefBehavior that takes
both a function and a callsite.  To reduce the
chance of misuse it is now protected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44487 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a bug where splitting cause some unnecessary spilling.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44482 91177308-0d34-0410-b5e6-96231b3b80d8

Fixes for MachineLoopInfo, mostly from Evan.  With these, it should be almost useable!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44480 91177308-0d34-0410-b5e6-96231b3b80d8

Allow some reloads to be folded in multi-use cases. Specifically testl r, r -> cmpl [mem], 0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44479 91177308-0d34-0410-b5e6-96231b3b80d8

Add target triple to include/llvm/Config/config.h.in. Regenerate all files.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44478 91177308-0d34-0410-b5e6-96231b3b80d8

Change LinkTimeOptimizer.h install location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44477 91177308-0d34-0410-b5e6-96231b3b80d8

Change lib lto install location.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44476 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed subtle bug in Deserializer::JumpTo when jumping when the block-nesting
information matching did not exactly match the underlying stream's scoping
information.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44470 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed potential bug where CurWord is not zeroed out in JumpToBit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44469 91177308-0d34-0410-b5e6-96231b3b80d8

Do not fold reload into an instruction with multiple uses. It issues one extra load.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44467 91177308-0d34-0410-b5e6-96231b3b80d8

chain update requests properly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44460 91177308-0d34-0410-b5e6-96231b3b80d8

Small optimization of parameter attribute lookup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44458 91177308-0d34-0410-b5e6-96231b3b80d8

Add a convenience method for modifying parameter
attributes.  While there, I noticed that not all
attribute methods returned a pointer-to-constant,
so I fixed that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44457 91177308-0d34-0410-b5e6-96231b3b80d8

Check that there are not more attributes than
function parameters.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44452 91177308-0d34-0410-b5e6-96231b3b80d8

Provide a way to update DescGlobals cache directly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44446 91177308-0d34-0410-b5e6-96231b3b80d8

Do not lose rematerialization info when spilling already split live intervals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44443 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a miscompilation in spiff on PPC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44437 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a major performance issue with splitting. If there is a def (not def/use)
in the middle of a split basic block, create a new live interval starting at
the def. This avoid artifically extending the live interval over a number of
cycles where it is dead. e.g.

bb1:
       = vr1204   (use / kill) <= new interval starts and ends here.
...
...
vr1204 =          (new def)   <= start a new interval here.
       = vr1204   (use)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44436 91177308-0d34-0410-b5e6-96231b3b80d8

Update tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44435 91177308-0d34-0410-b5e6-96231b3b80d8

Replace the odd kill# hack with something less fragile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44434 91177308-0d34-0410-b5e6-96231b3b80d8

Small parameter attributes cleanup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44433 91177308-0d34-0410-b5e6-96231b3b80d8

Pass the whole StringMapEntry into StringMapEntryInitializer::Initialize.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44432 91177308-0d34-0410-b5e6-96231b3b80d8

provide an optional API to allow datatypes in a stringmap to be *gasp*
initialized with a value if they want, by specializing the
StringMapEntryInitializer class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44430 91177308-0d34-0410-b5e6-96231b3b80d8

Fixed various live interval splitting bugs / compile time issues.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44428 91177308-0d34-0410-b5e6-96231b3b80d8

Kill info update bug.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44427 91177308-0d34-0410-b5e6-96231b3b80d8

New testcase for PR1744

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44418 91177308-0d34-0410-b5e6-96231b3b80d8

Work around a GCC bug, producing this code:

  unsigned char *llvm_cbe_X;
...
  llvm_cbe_X = 0; *((void**)&llvm_cbe_X) = __builtin_stack_save();

instead of:

  llvm_cbe_X = __builtin_stack_save();

See PR1809 for details.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44415 91177308-0d34-0410-b5e6-96231b3b80d8

Add a note

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44414 91177308-0d34-0410-b5e6-96231b3b80d8

Implement ExpandOperationResult for ppc i64 fp->int, which fixes
CodeGen/Generic/fp_to_int.ll among others.  Its unclear why this
just started failing...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44407 91177308-0d34-0410-b5e6-96231b3b80d8

for consistency, allow a fallthrough if the final check returns null.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44406 91177308-0d34-0410-b5e6-96231b3b80d8

upgrade this test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44405 91177308-0d34-0410-b5e6-96231b3b80d8

make this test have a deterministic result.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44404 91177308-0d34-0410-b5e6-96231b3b80d8

Add some convenience methods for querying attributes, and
use them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44403 91177308-0d34-0410-b5e6-96231b3b80d8

Revert previous "fix" - the breakage was due to some
local changes, not the "not".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44402 91177308-0d34-0410-b5e6-96231b3b80d8

This test somehow got an extra "not" during the
recent stderr updates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44401 91177308-0d34-0410-b5e6-96231b3b80d8

My compiler complains that "x always evaluates to true"
in this call:

Result.IntVal = APInt(80, 2, x);

What is x?

uint16_t x[8];

I deduce that the APInt constructor being used is this one:

  APInt(uint32_t numBits, uint64_t val, bool isSigned = false);

rather than this one:

  APInt(uint32_t numBits, uint32_t numWords, const uint64_t bigVal[]);

That doesn't seem right!  This fix compiles but is otherwise completely
untested.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44400 91177308-0d34-0410-b5e6-96231b3b80d8

Add missing newlines at EOF.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44399 91177308-0d34-0410-b5e6-96231b3b80d8

xfail a test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44395 91177308-0d34-0410-b5e6-96231b3b80d8

update this test after the fmrrd fix

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44393 91177308-0d34-0410-b5e6-96231b3b80d8

Fix typo

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44391 91177308-0d34-0410-b5e6-96231b3b80d8

Modified instructions to configure llvm-test by configure llvm with the Path --with-llvmgccdir set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44390 91177308-0d34-0410-b5e6-96231b3b80d8

Fix bug in regression tests that ignored stderr output in RUN lines. Updated tests and fixed broken run lines.
XFAILed 3 arm regressions (will file bugs)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44389 91177308-0d34-0410-b5e6-96231b3b80d8

Recover compile time regression.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44386 91177308-0d34-0410-b5e6-96231b3b80d8

Add MachineLoopInfo.  This is not yet tested.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44384 91177308-0d34-0410-b5e6-96231b3b80d8

commit testcase I forgot to svn add.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44383 91177308-0d34-0410-b5e6-96231b3b80d8

several entries got significantly better, though they still aren't done.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44382 91177308-0d34-0410-b5e6-96231b3b80d8

implement a trivial readme entry.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44380 91177308-0d34-0410-b5e6-96231b3b80d8

Fix a crash on invalid code due to memcpy lowering.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44378 91177308-0d34-0410-b5e6-96231b3b80d8

Make this actually work on systems that support ppc long double.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44374 91177308-0d34-0410-b5e6-96231b3b80d8

Unbreak all of the darwin/ppc32 JIT failures having to do
with not being able to find printf.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@44373 91177308-0d34-0410-b5e6-96231b3b80d8