oota-llvm.git
15 years agoTidy a bit more.
Chris Lattner [Tue, 24 Mar 2009 15:25:07 +0000 (15:25 +0000)]
Tidy a bit more.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67617 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agosimplify this code a bit now that "allocation to a vreg class" can never
Chris Lattner [Tue, 24 Mar 2009 15:22:11 +0000 (15:22 +0000)]
simplify this code a bit now that "allocation to a vreg class" can never
fail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67616 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoI was convinced that it's ok to allow a second i8 return value
Dan Gohman [Tue, 24 Mar 2009 01:04:34 +0000 (01:04 +0000)]
I was convinced that it's ok to allow a second i8 return value
to be returned in DL. LLVM's multiple-return-value support is
not ABI-conforming; front-ends that wish to have code emitted
that conforms to an ABI are currently expected to make
arrangements for this on their own rather than assuming that
multiple-return-values will automatically do the right thing.
This commit doesn't fundamentally change this situation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67588 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoMinor compile-time optimization; don't bother checking
Dan Gohman [Tue, 24 Mar 2009 00:50:07 +0000 (00:50 +0000)]
Minor compile-time optimization; don't bother checking
canClobberPhysRegDefs if the successor node doesn't
clobber any physical registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67587 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd a pre-pass to the burr-list scheduler which makes adjustments to
Dan Gohman [Tue, 24 Mar 2009 00:49:12 +0000 (00:49 +0000)]
Add a pre-pass to the burr-list scheduler which makes adjustments to
help out the register pressure reduction heuristics in the case of
nodes with multiple uses. Currently this uses very conservative
heuristics, so it doesn't have a broad impact, but in cases where it
does help it can make a big difference.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67586 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoDo not emit comments unless -asm-verbose.
Evan Cheng [Tue, 24 Mar 2009 00:17:40 +0000 (00:17 +0000)]
Do not emit comments unless -asm-verbose.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67580 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoUse a SmallPtrSet instead of std::set.
Dale Johannesen [Mon, 23 Mar 2009 23:39:20 +0000 (23:39 +0000)]
Use a SmallPtrSet instead of std::set.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67578 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix a bug in spill weight computation. If the alias is a super-register, and the...
Evan Cheng [Mon, 23 Mar 2009 22:57:19 +0000 (22:57 +0000)]
Fix a bug in spill weight computation. If the alias is a super-register, and the super-register is in the register class we are trying to allocate. Then add the weight to all sub-registers of the super-register even if they are not aliases.
e.g. allocating for GR32, bh is not used, updating bl spill weight.
     bl should get the same spill weight otherwise it will be choosen
     as a spill candidate since spilling bh doesn't make ebx available.
This fix PR2866.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67574 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd sanity check in Clang TableGen backend to check if 'Component' is a string.
Ted Kremenek [Mon, 23 Mar 2009 21:54:33 +0000 (21:54 +0000)]
Add sanity check in Clang TableGen backend to check if 'Component' is a string.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67565 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix internal representation of fp80 to be the
Dale Johannesen [Mon, 23 Mar 2009 21:16:53 +0000 (21:16 +0000)]
Fix internal representation of fp80 to be the
same as a normal i80 {low64, high16} rather
than its own {high64, low16}.  A depressing number
of places know about this; I think I got them all.
Bitcode readers and writers convert back to the old
form to avoid breaking compatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67562 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoREADME.txt: test commit w/blank line appended
John Mosby [Mon, 23 Mar 2009 21:00:45 +0000 (21:00 +0000)]
README.txt: test commit w/blank line appended

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67560 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoWhen unfolding a load during scheduling, the new operator node has
Dan Gohman [Mon, 23 Mar 2009 20:20:43 +0000 (20:20 +0000)]
When unfolding a load during scheduling, the new operator node has
a data dependency on the load node, so it really needs a
data-dependence edge to the load node, even if the load previously
existed.

And add a few comments.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67554 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoUpdate test for pr3864.
Evan Cheng [Mon, 23 Mar 2009 18:27:36 +0000 (18:27 +0000)]
Update test for pr3864.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67545 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix PR3391 and PR3864. Reg allocator infinite looping.
Evan Cheng [Mon, 23 Mar 2009 18:24:37 +0000 (18:24 +0000)]
Fix PR3391 and PR3864. Reg allocator infinite looping.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67544 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoDon't set SUnit::hasPhysRegDefs to true unless the defs are
Dan Gohman [Mon, 23 Mar 2009 17:39:36 +0000 (17:39 +0000)]
Don't set SUnit::hasPhysRegDefs to true unless the defs are
actually have uses, which reflects the way it's used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67540 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix canClobberPhysRegDefs to check all SDNodes grouped together
Dan Gohman [Mon, 23 Mar 2009 16:23:01 +0000 (16:23 +0000)]
Fix canClobberPhysRegDefs to check all SDNodes grouped together
in an SUnit, instead of just the first one. This fix is needed
by some upcoming scheduler changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67531 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd a new bit to SUnit to record whether a node has implicit physreg
Dan Gohman [Mon, 23 Mar 2009 16:10:52 +0000 (16:10 +0000)]
Add a new bit to SUnit to record whether a node has implicit physreg
defs, regardless of whether they are actually used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67528 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoNow that errs() is properly non-buffered, there's no need to
Dan Gohman [Mon, 23 Mar 2009 15:57:19 +0000 (15:57 +0000)]
Now that errs() is properly non-buffered, there's no need to
explicitly flush it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67526 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoClarify a comment.
Dan Gohman [Mon, 23 Mar 2009 15:54:02 +0000 (15:54 +0000)]
Clarify a comment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67525 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoLoopVR is not CFGOnly.
Dan Gohman [Mon, 23 Mar 2009 15:50:52 +0000 (15:50 +0000)]
LoopVR is not CFGOnly.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67524 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoEnhance LiveValues to work on PHI operands.
Dan Gohman [Mon, 23 Mar 2009 15:49:37 +0000 (15:49 +0000)]
Enhance LiveValues to work on PHI operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67523 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoMake getOperandNumForIncomingValue and getOperandNumForIncomingBlock
Dan Gohman [Mon, 23 Mar 2009 15:48:29 +0000 (15:48 +0000)]
Make getOperandNumForIncomingValue and getOperandNumForIncomingBlock
static member functions, and add getIncomingValueNumForOperand
and getIncomingBlockNumForOperand, which are the respective
inverses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67522 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoCorrect some comments. Operand numbers start at 0.
Dan Gohman [Mon, 23 Mar 2009 15:40:10 +0000 (15:40 +0000)]
Correct some comments. Operand numbers start at 0.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67518 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoModel inline asm constraint which ties an input to an output register as machine...
Evan Cheng [Mon, 23 Mar 2009 08:01:15 +0000 (08:01 +0000)]
Model inline asm constraint which ties an input to an output register as machine operand TIED_TO constraint. This eliminated the need to pre-allocate registers for these. This also allows register allocator can eliminate the unneeded copies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67512 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoDo not fold away subreg_to_reg if the source register has a sub-register index. That...
Evan Cheng [Mon, 23 Mar 2009 07:19:58 +0000 (07:19 +0000)]
Do not fold away subreg_to_reg if the source register has a sub-register index. That means the source register is taking a sub-register of a larger register. e.g. On x86
%RAX<def> = ...
%RAX<def> = SUBREG_TO_REG 0, %EAX:3<kill>, 3
The first def is defining RAX, not EAX so the top bits were not zero-extended.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67511 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agofix a bug Alexei Svitkine pointed out.
Chris Lattner [Mon, 23 Mar 2009 06:46:20 +0000 (06:46 +0000)]
fix a bug Alexei Svitkine pointed out.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67510 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoWhen we restore signal handlers, restore them back to what they
Chris Lattner [Mon, 23 Mar 2009 05:55:36 +0000 (05:55 +0000)]
When we restore signal handlers, restore them back to what they
were when we came around, not to their default handler.  This
should fix PR3848

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67509 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agofactorize signal registration, part of PR3848.
Chris Lattner [Mon, 23 Mar 2009 05:42:29 +0000 (05:42 +0000)]
factorize signal registration, part of PR3848.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67508 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix a grammaro in a comment that Bill noticed.
Dan Gohman [Mon, 23 Mar 2009 05:02:44 +0000 (05:02 +0000)]
Fix a grammaro in a comment that Bill noticed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67507 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agott'ify.
Chris Lattner [Mon, 23 Mar 2009 04:53:34 +0000 (04:53 +0000)]
tt'ify.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67505 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoVC++ 6.0 is not future work :)
Chris Lattner [Mon, 23 Mar 2009 04:52:53 +0000 (04:52 +0000)]
VC++ 6.0 is not future work :)

Do not recommend llvm::OStream anymore.  Use raw_ostream or MemoryBuffer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67504 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd comments explaining why there's only one register for
Dan Gohman [Mon, 23 Mar 2009 04:28:24 +0000 (04:28 +0000)]
Add comments explaining why there's only one register for
i8 return values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67502 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoMissed this as part of r67451.
Evan Cheng [Mon, 23 Mar 2009 03:45:56 +0000 (03:45 +0000)]
Missed this as part of r67451.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67500 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix PR3860 by correcting a predicate.
Chris Lattner [Sun, 22 Mar 2009 19:22:53 +0000 (19:22 +0000)]
Fix PR3860 by correcting a predicate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67473 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd some explanations of how apint loads and stores
Duncan Sands [Sun, 22 Mar 2009 11:33:16 +0000 (11:33 +0000)]
Add some explanations of how apint loads and stores
work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67471 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoReally should pass -dylib to the linker...
Bill Wendling [Sun, 22 Mar 2009 08:56:15 +0000 (08:56 +0000)]
Really should pass -dylib to the linker...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67469 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoA dylib should be built as a dylib and not a bundle.
Bill Wendling [Sun, 22 Mar 2009 08:28:45 +0000 (08:28 +0000)]
A dylib should be built as a dylib and not a bundle.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67468 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoadd method to access a template argument.
Chris Lattner [Sun, 22 Mar 2009 00:18:18 +0000 (00:18 +0000)]
add method to access a template argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67458 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFactorize out a concept - no functionality change.
Duncan Sands [Sat, 21 Mar 2009 21:27:31 +0000 (21:27 +0000)]
Factorize out a concept - no functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67454 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoRe-commit r67334 and r67349 with fix.
Evan Cheng [Sat, 21 Mar 2009 18:12:24 +0000 (18:12 +0000)]
Re-commit r67334 and r67349 with fix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67451 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoadd a fastpath to ConstantExpr::getBitCast to handle the case when an obviously
Chris Lattner [Sat, 21 Mar 2009 06:55:54 +0000 (06:55 +0000)]
add a fastpath to ConstantExpr::getBitCast to handle the case when an obviously
unneeded bitcast is requested.  This is common for frontends who just unconditionally
cast even if the target is often the right type already.  THis prevents going into
getFoldedCast which switches on the opcode and does a bunch of other stuff before
doing the same opzn.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67435 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoadd some inline methods for infix operators on sparse vectors,
Chris Lattner [Sat, 21 Mar 2009 05:40:09 +0000 (05:40 +0000)]
add some inline methods for infix operators on sparse vectors,
tidy some df iteration stuff, patch by John Mosby!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67428 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoRemoved AFGR32 register class
Bruno Cardoso Lopes [Sat, 21 Mar 2009 00:05:07 +0000 (00:05 +0000)]
Removed AFGR32 register class
Handle odd registers allocation in FGR32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67422 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix a few more indentation problems and an 80-column violation.
Bob Wilson [Fri, 20 Mar 2009 23:16:43 +0000 (23:16 +0000)]
Fix a few more indentation problems and an 80-column violation.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67416 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoNo functional changes. Fix indentation and whitespace only.
Bob Wilson [Fri, 20 Mar 2009 22:42:55 +0000 (22:42 +0000)]
No functional changes.  Fix indentation and whitespace only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67412 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix instcombine to not introduce undefined shifts when merging two
Chris Lattner [Fri, 20 Mar 2009 22:41:15 +0000 (22:41 +0000)]
Fix instcombine to not introduce undefined shifts when merging two
shifts together.  This fixes PR3851.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67411 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoDon't load values out of global constants with weak
Duncan Sands [Fri, 20 Mar 2009 21:53:29 +0000 (21:53 +0000)]
Don't load values out of global constants with weak
linkage: the value may be replaced with something
different at link time.  (Frontends that want to
allow values to be loaded out of weak constants can
give their constants weak_odr linkage).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67407 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoSimplify this code; use a while instead of an if and a do-while.
Dan Gohman [Fri, 20 Mar 2009 20:42:23 +0000 (20:42 +0000)]
Simplify this code; use a while instead of an if and a do-while.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67400 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFor inline asm output operand that matches an input. Encode the input operand index...
Evan Cheng [Fri, 20 Mar 2009 18:03:34 +0000 (18:03 +0000)]
For inline asm output operand that matches an input. Encode the input operand index in the high bits.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67387 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFixed comment for libcalls.
Sanjiv Gupta [Fri, 20 Mar 2009 14:10:20 +0000 (14:10 +0000)]
Fixed comment for libcalls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67373 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFixed build warnings for unused variables.
Sanjiv Gupta [Fri, 20 Mar 2009 13:49:20 +0000 (13:49 +0000)]
Fixed build warnings for unused variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67372 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoReformatting. Inserted code comments. Cleaned interfaces.
Sanjiv Gupta [Fri, 20 Mar 2009 13:42:20 +0000 (13:42 +0000)]
Reformatting. Inserted code comments. Cleaned interfaces.
Removed unncessary code. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67371 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFixed the comment. No functionality change.
Sanjiv Gupta [Fri, 20 Mar 2009 09:38:50 +0000 (09:38 +0000)]
Fixed the comment. No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67370 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoRevert r67334 and r37349 which break "make check" on Linux.
Nick Lewycky [Fri, 20 Mar 2009 07:56:31 +0000 (07:56 +0000)]
Revert r67334 and r37349 which break "make check" on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67368 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoApply the patch requested in PR3846.
Chris Lattner [Fri, 20 Mar 2009 05:08:24 +0000 (05:08 +0000)]
Apply the patch requested in PR3846.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67364 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdded option to enable generating less precise mad (multiply addition)
Mon P Wang [Fri, 20 Mar 2009 05:06:58 +0000 (05:06 +0000)]
Added option to enable generating less precise mad (multiply addition)
for those architectures that support the instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67363 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoThe last use in a block that doesn't have successors
Dan Gohman [Fri, 20 Mar 2009 01:28:21 +0000 (01:28 +0000)]
The last use in a block that doesn't have successors
(return or unreachable) is a kill.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67357 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix typo's.
Evan Cheng [Fri, 20 Mar 2009 00:14:09 +0000 (00:14 +0000)]
Fix typo's.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67349 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix the Win32 VS2008 build:
Sebastian Redl [Thu, 19 Mar 2009 23:26:52 +0000 (23:26 +0000)]
Fix the Win32 VS2008 build:
 - Make type declarations match the struct/class keyword of the definition.
 - Move AddSignalHandler into the namespace where it belongs.
 - Correctly call functions from template base.
 - Some other small changes.
With this patch, LLVM and Clang should build properly and with far less noise under VS2008.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67347 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdded MachineInstr::isRegTiedToDefOperand to check for two-addressness.
Evan Cheng [Thu, 19 Mar 2009 20:30:06 +0000 (20:30 +0000)]
Added MachineInstr::isRegTiedToDefOperand to check for two-addressness.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67335 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoMore makefile changes to allow dejagnu tests to pass when system tools default to...
Evan Cheng [Thu, 19 Mar 2009 20:27:23 +0000 (20:27 +0000)]
More makefile changes to allow dejagnu tests to pass when system tools default to a different target from the llvm configuration (e.g. 64-bit gcc and 32-bit llvm).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67334 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoRenamed unittest files to have a consistent {Tt}est suffix.
Misha Brukman [Thu, 19 Mar 2009 19:09:48 +0000 (19:09 +0000)]
Renamed unittest files to have a consistent {Tt}est suffix.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67326 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoSADDO and UADDO are commutative.
Dan Gohman [Thu, 19 Mar 2009 18:53:45 +0000 (18:53 +0000)]
SADDO and UADDO are commutative.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67319 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoClear the cached cost when removing a function in
Dale Johannesen [Thu, 19 Mar 2009 18:03:56 +0000 (18:03 +0000)]
Clear the cached cost when removing a function in
the inliner; prevents nondeterministic behavior
when the same address is reallocated.
Don't build call graph nodes for debug intrinsic calls;
they're useless, and there were typically a lot of them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67311 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd a liveness analysis pass for LLVM IR values. This computes
Dan Gohman [Thu, 19 Mar 2009 17:29:04 +0000 (17:29 +0000)]
Add a liveness analysis pass for LLVM IR values. This computes
the set of blocks in which values are used, the set in which
values are live-through, and the set in which values are
killed. For the live-through and killed sets, conservative
approximations are used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67309 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix comment typo.
Dale Johannesen [Thu, 19 Mar 2009 17:23:29 +0000 (17:23 +0000)]
Fix comment typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67307 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoThis pass keeps a map of Instructions to Rank numbers,
Dale Johannesen [Thu, 19 Mar 2009 17:22:53 +0000 (17:22 +0000)]
This pass keeps a map of Instructions to Rank numbers,
and was deleting Instructions without clearing the
corresponding map entry.  This led to nondeterministic
behavior if the same address got allocated to another
Instruction within a short time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67306 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix regression in 'tblgen -gen-clang-diags-defs': Emit the diagnostic kind instead...
Ted Kremenek [Thu, 19 Mar 2009 17:18:09 +0000 (17:18 +0000)]
Fix regression in 'tblgen -gen-clang-diags-defs': Emit the diagnostic kind instead of "DIAGNOSTICCONTROLLED".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67305 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix PEI to not walk off the start of a block when an updated instruction
Chris Lattner [Thu, 19 Mar 2009 17:15:43 +0000 (17:15 +0000)]
Fix PEI to not walk off the start of a block when an updated instruction
is the first in its block.  This is PR3842.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67304 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix comment typo.
Duncan Sands [Thu, 19 Mar 2009 11:37:15 +0000 (11:37 +0000)]
Fix comment typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67302 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix a couple glaring whitespace issues. This file isn't internally consistent
Nick Lewycky [Thu, 19 Mar 2009 06:31:22 +0000 (06:31 +0000)]
Fix a couple glaring whitespace issues. This file isn't internally consistent
either.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67288 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoRemove strange extra semicolons.
Nick Lewycky [Thu, 19 Mar 2009 05:51:39 +0000 (05:51 +0000)]
Remove strange extra semicolons.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67287 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd support to tablegen for naming the nodes themselves, not just the operands,
Nate Begeman [Thu, 19 Mar 2009 05:21:56 +0000 (05:21 +0000)]
Add support to tablegen for naming the nodes themselves, not just the operands,
in selectiondag patterns.  This is required for the upcoming shuffle_vector rewrite,
and as it turns out, cleans up a hack in the Alpha instruction info.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67286 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdded support for Mips O32 Calling Convention
Bruno Cardoso Lopes [Thu, 19 Mar 2009 02:12:28 +0000 (02:12 +0000)]
Added support for Mips O32 Calling Convention

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67280 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agotblgen -gen-clang-diags-options: Output OptionTable entries in lexicographic
Ted Kremenek [Wed, 18 Mar 2009 21:36:46 +0000 (21:36 +0000)]
tblgen -gen-clang-diags-options: Output OptionTable entries in lexicographic
order.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67244 91177308-0d34-0410-b5e6-96231b3b80d8

15 years ago'tblgen -gen-clang-diags-options' now outputs the OptionTable:
Ted Kremenek [Wed, 18 Mar 2009 21:28:47 +0000 (21:28 +0000)]
'tblgen -gen-clang-diags-options' now outputs the OptionTable:

  static const WarningOption OptionTable[] = {
    {"unused-macros", DIAGS(UnusedMacrosDiags)}
    ...
  };

This table is not yet properly sorted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67242 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd another Clang TableGen-backend (-gen-clang-diags-options) for emitting
Ted Kremenek [Wed, 18 Mar 2009 21:16:16 +0000 (21:16 +0000)]
Add another Clang TableGen-backend (-gen-clang-diags-options) for emitting
declarations for controlling groups of warnings. Currently this transforms:

  def UnusedMacrosDiags : Option<"unused-macros", [pp_macro_not_used]>;

into:

  static const diag::kind UnusedMacrosDiags[] = { diag::pp_macro_not_used };

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67239 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoinclude the null at the end of a memorybuffer as part of the buffer.
Chris Lattner [Wed, 18 Mar 2009 20:36:45 +0000 (20:36 +0000)]
include the null at the end of a memorybuffer as part of the buffer.
This allows tblgen to handle include "foo.td" when the quote is exactly
the last character in a file.  rdar://6695728

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67232 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoThese tests are now passing on Darwin because of r67139.
Bill Wendling [Wed, 18 Mar 2009 17:45:11 +0000 (17:45 +0000)]
These tests are now passing on Darwin because of r67139.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67215 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoaha, DAE does have to think about PHI nodes. Many thanks to "Dr Evil" (aka Duncan)
Chris Lattner [Wed, 18 Mar 2009 16:48:45 +0000 (16:48 +0000)]
aha, DAE does have to think about PHI nodes.  Many thanks to "Dr Evil" (aka Duncan)
for pointing this out :)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67212 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix PR3826 - InstComb assert with vector shift, by not calling ComputeNumSignBits...
Chris Lattner [Wed, 18 Mar 2009 16:32:19 +0000 (16:32 +0000)]
Fix PR3826 - InstComb assert with vector shift, by not calling ComputeNumSignBits on a vector.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67211 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoadd an assertion to make it clear that PHI nodes are not allowed.
Chris Lattner [Wed, 18 Mar 2009 16:23:56 +0000 (16:23 +0000)]
add an assertion to make it clear that PHI nodes are not allowed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67210 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoExplicitly check for StoreInst, do not lose the chance to delete
Zhou Sheng [Wed, 18 Mar 2009 12:48:48 +0000 (12:48 +0000)]
Explicitly check for StoreInst, do not lose the chance to delete
unused loads or bitcasts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67202 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoRevert my previous change on Local.cpp, instead, fix the bug on scalarrepl.
Zhou Sheng [Wed, 18 Mar 2009 10:13:08 +0000 (10:13 +0000)]
Revert my previous change on Local.cpp, instead, fix the bug on scalarrepl.
If the instruction has no users, it is also not only used by debug info
and should not be deleted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67194 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd -relocation-model=pic so that the test works
Rafael Espindola [Wed, 18 Mar 2009 09:38:28 +0000 (09:38 +0000)]
Add -relocation-model=pic so that the test works
both in Linux and Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67191 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix a bug.
Zhou Sheng [Wed, 18 Mar 2009 07:56:13 +0000 (07:56 +0000)]
Fix a bug.
If I->use_empty(), this method should return false.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67180 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdded missing support for widening when splitting an unary op (PR3683)
Mon P Wang [Wed, 18 Mar 2009 06:24:04 +0000 (06:24 +0000)]
Added missing support for widening when splitting an unary op (PR3683)
and expanding a bit convert (PR3711).  In both cases, we extract the
valid part of the widen vector and then do the conversion.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67175 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd another test case for r64440.
Evan Cheng [Wed, 18 Mar 2009 02:43:01 +0000 (02:43 +0000)]
Add another test case for r64440.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67156 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoxfail these tests for now.
Evan Cheng [Wed, 18 Mar 2009 00:44:45 +0000 (00:44 +0000)]
xfail these tests for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67143 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoDisable the "call to immediate" optimization on x86-64. It is
Chris Lattner [Wed, 18 Mar 2009 00:43:52 +0000 (00:43 +0000)]
Disable the "call to immediate" optimization on x86-64.  It is
not safe in general because the immediate could be an arbitrary
value that does not fit in a 32-bit pcrel displacement.
Conservatively fall back to loading the value into a register
and calling through it.

We still do the optzn on X86-32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67142 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix PR3807 by inserting 'insertelement' instructions in the normal dest of
Chris Lattner [Wed, 18 Mar 2009 00:31:45 +0000 (00:31 +0000)]
Fix PR3807 by inserting 'insertelement' instructions in the normal dest of
an invoke instead of after the invoke (in its block), which is invalid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67139 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoA more proper -mtriple.
Bill Wendling [Wed, 18 Mar 2009 00:19:44 +0000 (00:19 +0000)]
A more proper -mtriple.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67138 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoTemporary fix. I think Rafael wanted this to be Linux-only.
Bill Wendling [Wed, 18 Mar 2009 00:16:36 +0000 (00:16 +0000)]
Temporary fix. I think Rafael wanted this to be Linux-only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67137 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoLSR shouldn't ever try to hack on integer IV's larger than 64-bits. Right now
Chris Lattner [Tue, 17 Mar 2009 23:58:30 +0000 (23:58 +0000)]
LSR shouldn't ever try to hack on integer IV's larger than 64-bits.  Right now
it is not APInt clean, but even when it is it needs to be evaluated carefully
to determine whether it is actually profitable.

This fixes a crash on PR3806

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67134 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoDon't force promotion of return arguments on the callee.
Rafael Espindola [Tue, 17 Mar 2009 23:43:59 +0000 (23:43 +0000)]
Don't force promotion of return arguments on the callee.
Some architectures (like x86) don't require it.
This fixes bug 3779.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67132 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoAdd BUILTIN_EXPECT Support/Compiler macro.
Daniel Dunbar [Tue, 17 Mar 2009 21:15:18 +0000 (21:15 +0000)]
Add BUILTIN_EXPECT Support/Compiler macro.
 - Use for exceptional buffer conditions in raw_ostream:write to shave
   off a cycle or two.

 - Please rename if you have a better one.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67103 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agothis is apparently passing now. Evan/Dan, please check
Chris Lattner [Tue, 17 Mar 2009 20:23:43 +0000 (20:23 +0000)]
this is apparently passing now.  Evan/Dan, please check
to see if this is producing the expected code or not, I'm
not sure what the test was intended to check.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67099 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agotest case for rev. 67095.
Devang Patel [Tue, 17 Mar 2009 19:47:21 +0000 (19:47 +0000)]
test case for rev. 67095.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67096 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoFix codegen to compute the size of an allocation by multiplying the
Chris Lattner [Tue, 17 Mar 2009 19:36:00 +0000 (19:36 +0000)]
Fix codegen to compute the size of an allocation by multiplying the
size by the array amount as an i32 value instead of promoting from
i32 to i64 then doing the multiply.  Not doing this broke wrap-around
assumptions that the optimizers (validly) made.  The ultimate real
fix for this is to introduce i64 version of alloca and remove mallocinst.

This fixes PR3829

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67093 91177308-0d34-0410-b5e6-96231b3b80d8

15 years agoRemove a condition which is always true.
Chris Lattner [Tue, 17 Mar 2009 17:55:15 +0000 (17:55 +0000)]
Remove a condition which is always true.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67089 91177308-0d34-0410-b5e6-96231b3b80d8