oota-llvm.git
13 years agoWhile printing annotations, print line number and variable name if debug info is...
Devang Patel [Fri, 11 Mar 2011 18:07:33 +0000 (18:07 +0000)]
While printing annotations, print line number and variable name if debug info is present.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127470 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix MOVCCi32imm to be have ARM-mode Requires and a proper size (8 bytes, was 4).
Jim Grosbach [Fri, 11 Mar 2011 18:00:42 +0000 (18:00 +0000)]
Fix MOVCCi32imm to be have ARM-mode Requires and a proper size (8 bytes, was 4).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127469 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoReplace -dag-chain-limit flag with constant. It has survived a release cycle without...
Andrew Trick [Fri, 11 Mar 2011 17:46:59 +0000 (17:46 +0000)]
Replace -dag-chain-limit flag with constant. It has survived a release cycle without being touched, so no longer needs to pollute the hidden-help text.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127468 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd LTO and gold plugin to the CMake build. Linux-only, support for
Oscar Fuentes [Fri, 11 Mar 2011 15:44:24 +0000 (15:44 +0000)]
Add LTO and gold plugin to the CMake build. Linux-only, support for
other systems pending.

PR9456.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127466 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoComputeMaskedBits: sub falls through to add, and sub doesn't have the same overflow...
Benjamin Kramer [Fri, 11 Mar 2011 14:46:49 +0000 (14:46 +0000)]
ComputeMaskedBits: sub falls through to add, and sub doesn't have the same overflow semantics as add.

Should fix the selfhost failures that started with r127463.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127465 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInstCombine: Fix a thinko where transform an icmp under the assumption that it's...
Benjamin Kramer [Fri, 11 Mar 2011 11:37:40 +0000 (11:37 +0000)]
InstCombine: Fix a thinko where transform an icmp under the assumption that it's a zero comparison when it's not.

Fixes PR9454.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127464 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach ComputeMaskedBits about nsw on add. I don't think there's anything we can
Nick Lewycky [Fri, 11 Mar 2011 09:00:19 +0000 (09:00 +0000)]
Teach ComputeMaskedBits about nsw on add. I don't think there's anything we can
do with nuw here, but sub and mul should be given similar treatment.
Fixes PR9343 #15!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127463 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix use of CompEnd predicate to be standards conforming
John Wiegley [Fri, 11 Mar 2011 08:54:34 +0000 (08:54 +0000)]
Fix use of CompEnd predicate to be standards conforming

The existing CompEnd predicate does not define a strict weak order as required
by the C++03 standard; therefore, its use as a predicate to std::upper_bound
is invalid. For a discussion of this issue, see
http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#270

This patch replaces the asymmetrical comparison with an iterator adaptor that
achieves the same effect while being strictly standard-conforming by ensuring
an apples-to-apples comparison.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127462 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoOptimize trivial branches in CodeGenPrepare, which often get created from the
Cameron Zwarich [Fri, 11 Mar 2011 04:54:27 +0000 (04:54 +0000)]
Optimize trivial branches in CodeGenPrepare, which often get created from the
lowering of objectsize intrinsics. Unfortunately, a number of tests were relying
on llc not optimizing trivial branches, so I had to add an option to allow them
to continue to test what they originally tested.

This fixes <rdar://problem/8785296> and <rdar://problem/9112893>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127459 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTeach TableGen to pre-calculate register enum values when creating the
Jim Grosbach [Fri, 11 Mar 2011 02:19:02 +0000 (02:19 +0000)]
Teach TableGen to pre-calculate register enum values when creating the
CodeGenRegister entries. Use this information to more intelligently build
the literal register entires in the DAGISel matcher table. Specifically,
use a single-byte OPC_EmitRegister entry for registers with a value of
less than 256 and OPC_EmitRegister2 entry for registers with a larger value.

rdar://9066491

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127456 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agosilence a conditional assignment -Wuninitialized warning.
Chris Lattner [Fri, 11 Mar 2011 02:12:51 +0000 (02:12 +0000)]
silence a conditional assignment -Wuninitialized warning.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127453 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake the register enum value part of the CodeGenRegister struct.
Jim Grosbach [Fri, 11 Mar 2011 01:33:54 +0000 (01:33 +0000)]
Make the register enum value part of the CodeGenRegister struct.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127448 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTrailing whitespace.
Jim Grosbach [Fri, 11 Mar 2011 01:27:24 +0000 (01:27 +0000)]
Trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127447 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTrailing whitespace.
Jim Grosbach [Fri, 11 Mar 2011 01:19:05 +0000 (01:19 +0000)]
Trailing whitespace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127446 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTidy up since ARM MOVCCi and MOVCCi16 are now pseudos.
Jim Grosbach [Fri, 11 Mar 2011 01:16:49 +0000 (01:16 +0000)]
Tidy up since ARM MOVCCi and MOVCCi16 are now pseudos.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127445 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoProperly pseudo-ize ARM MOVCCi and MOVCCi16.
Jim Grosbach [Fri, 11 Mar 2011 01:09:28 +0000 (01:09 +0000)]
Properly pseudo-ize ARM MOVCCi and MOVCCi16.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127442 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoChange the x86 32-bit scheduler to register pressure and fix up the
Eric Christopher [Fri, 11 Mar 2011 01:05:58 +0000 (01:05 +0000)]
Change the x86 32-bit scheduler to register pressure and fix up the
corresponding testcases back to the previous versions.

Fixes some performance regressions only seen on 32-bit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127441 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAvoid replacing the value of a directly stored load with the stored value if the...
Evan Cheng [Fri, 11 Mar 2011 00:48:56 +0000 (00:48 +0000)]
Avoid replacing the value of a directly stored load with the stored value if the load is indexed. rdar://9117613.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127440 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoProperly pseudo-ize MOVCCr and MOVCCs.
Jim Grosbach [Thu, 10 Mar 2011 23:56:09 +0000 (23:56 +0000)]
Properly pseudo-ize MOVCCr and MOVCCs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127434 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRecursivelyDeleteTriviallyDeadInstructions only needs a
Dan Gohman [Thu, 10 Mar 2011 20:57:44 +0000 (20:57 +0000)]
RecursivelyDeleteTriviallyDeadInstructions only needs a
Value, not an Instruction, so casting is not necessary. Also,
it's theoretically possible that the Value is not an
Instruction, since WeakVH follows RAUWs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127427 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDon't compute the file size if we don't need to.
Rafael Espindola [Thu, 10 Mar 2011 20:54:07 +0000 (20:54 +0000)]
Don't compute the file size if we don't need to.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127426 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix reassociate to postpone certain instruction deletions until
Dan Gohman [Thu, 10 Mar 2011 19:51:54 +0000 (19:51 +0000)]
Fix reassociate to postpone certain instruction deletions until
after it has finished all of its reassociations, because its
habit of unlinking operands and holding them in a datastructure
while working means that it's not easy to determine when an
instruction is really dead until after all its regular work is
done. rdar://9096268.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127424 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDMB can just be a pat referencing MCR.
Jim Grosbach [Thu, 10 Mar 2011 19:27:17 +0000 (19:27 +0000)]
DMB can just be a pat referencing MCR.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127423 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoReorganize a bit. No functional change, just moving patterns up.
Jim Grosbach [Thu, 10 Mar 2011 19:21:08 +0000 (19:21 +0000)]
Reorganize a bit. No functional change, just moving patterns up.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127422 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPseudo-instructions are codegenonly by definition.
Jim Grosbach [Thu, 10 Mar 2011 19:06:39 +0000 (19:06 +0000)]
Pseudo-instructions are codegenonly by definition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127420 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMemory barrier instructions don't need special handling in tblgen anymore.
Jim Grosbach [Thu, 10 Mar 2011 19:05:48 +0000 (19:05 +0000)]
Memory barrier instructions don't need special handling in tblgen anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127419 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoInstCombine: Turn umul_with_overflow into mul nuw if we can prove that it cannot...
Benjamin Kramer [Thu, 10 Mar 2011 18:40:14 +0000 (18:40 +0000)]
InstCombine: Turn umul_with_overflow into mul nuw if we can prove that it cannot overflow.

This happens a lot in clang-compiled C++ code because it adds overflow checks to operator new[]:
  unsigned *foo(unsigned n) { return new unsigned[n]; }
We can optimize away the overflow check on 64 bit targets because (uint64_t)n*4 cannot overflow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127418 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd r127409 back now that the windows file was updated.
Rafael Espindola [Thu, 10 Mar 2011 18:33:29 +0000 (18:33 +0000)]
Add r127409 back now that the windows file was updated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127417 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTry to fix the windows build.
Rafael Espindola [Thu, 10 Mar 2011 18:30:48 +0000 (18:30 +0000)]
Try to fix the windows build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127416 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert r127409 which broke all the Windows bots.
Jakob Stoklund Olesen [Thu, 10 Mar 2011 18:01:43 +0000 (18:01 +0000)]
Revert r127409 which broke all the Windows bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127413 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPTX: Add preliminary support for floating-point divide and multiply-and-add
Justin Holewinski [Thu, 10 Mar 2011 16:57:18 +0000 (16:57 +0000)]
PTX: Add preliminary support for floating-point divide and multiply-and-add

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127410 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support for MemoryBuffers that are not null terminated and add
Rafael Espindola [Thu, 10 Mar 2011 16:10:30 +0000 (16:10 +0000)]
Add support for MemoryBuffers that are not null terminated and add
support for creating buffers that cover only a part of a file.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127409 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agorip out llvm 2.8 release notes to make room for llvm 2.9 notes.
Chris Lattner [Thu, 10 Mar 2011 07:43:44 +0000 (07:43 +0000)]
rip out llvm 2.8 release notes to make room for llvm 2.9 notes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127399 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd an option to disable critical edge splitting in PHIElimination.
Cameron Zwarich [Thu, 10 Mar 2011 05:59:17 +0000 (05:59 +0000)]
Add an option to disable critical edge splitting in PHIElimination.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127398 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoptx: add the rest of special registers of ISA version 2.0
Che-Liang Chiou [Thu, 10 Mar 2011 04:05:57 +0000 (04:05 +0000)]
ptx: add the rest of special registers of ISA version 2.0

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127397 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoChange the Spiller interface to take a LiveRangeEdit reference.
Jakob Stoklund Olesen [Thu, 10 Mar 2011 01:51:42 +0000 (01:51 +0000)]
Change the Spiller interface to take a LiveRangeEdit reference.

This makes it possible to register delegates and get callbacks when the spiller
edits live ranges.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127389 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake SpillIs an optional pointer. Avoid creating a bunch of temporary SmallVectors.
Jakob Stoklund Olesen [Thu, 10 Mar 2011 01:21:58 +0000 (01:21 +0000)]
Make SpillIs an optional pointer. Avoid creating a bunch of temporary SmallVectors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127388 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoUnbreak the CMake build.
Francois Pichet [Thu, 10 Mar 2011 00:51:01 +0000 (00:51 +0000)]
Unbreak the CMake build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127383 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert 127359; it broke lencod.
Stuart Hastings [Thu, 10 Mar 2011 00:25:53 +0000 (00:25 +0000)]
Revert 127359; it broke lencod.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127382 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoIntroduce DebugInfoProbe. This is used to monitor how llvm optimizer is treating...
Devang Patel [Thu, 10 Mar 2011 00:21:25 +0000 (00:21 +0000)]
Introduce DebugInfoProbe. This is used to monitor how llvm optimizer is treating debugging information.
It generates output that lools like

8 times line number info lost by Scalar Replacement of Aggregates (SSAUp)
1 times line number info lost by Simplify well-known library calls
12 times variable info lost by Jump Threading

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127381 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRe-commit 127368 and 127371. They are exonerated.
Evan Cheng [Thu, 10 Mar 2011 00:16:32 +0000 (00:16 +0000)]
Re-commit 127368 and 127371. They are exonerated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127380 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert 127368 and 127371 for now.
Evan Cheng [Wed, 9 Mar 2011 23:53:17 +0000 (23:53 +0000)]
Revert 127368 and 127371 for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127376 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRestore the default implementation of getCrossCopyRegClass: no need for cross-regclas...
Evan Cheng [Wed, 9 Mar 2011 23:15:40 +0000 (23:15 +0000)]
Restore the default implementation of getCrossCopyRegClass: no need for cross-regclass copies.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127371 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRevert "Re-enable test and hope to silence the buildbots", still broken.
Daniel Dunbar [Wed, 9 Mar 2011 22:48:46 +0000 (22:48 +0000)]
Revert "Re-enable test and hope to silence the buildbots", still broken.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127369 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoChange the definition of TargetRegisterInfo::getCrossCopyRegClass to be more
Evan Cheng [Wed, 9 Mar 2011 22:47:38 +0000 (22:47 +0000)]
Change the definition of TargetRegisterInfo::getCrossCopyRegClass to be more
flexible.

If it returns a register class that's different from the input, then that's the
register class used for cross-register class copies.
If it returns a register class that's the same as the input, then no cross-
register class copies are needed (normal copies would do).
If it returns null, then it's not at all possible to copy registers of the
specified register class.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127368 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix mistyped CHECK lines.
Benjamin Kramer [Wed, 9 Mar 2011 22:07:31 +0000 (22:07 +0000)]
Fix mistyped CHECK lines.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127366 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix a pasto that broke all x86_64-elf targets.
Benjamin Kramer [Wed, 9 Mar 2011 22:07:13 +0000 (22:07 +0000)]
Fix a pasto that broke all x86_64-elf targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127365 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTweak test to work on Linux.
Stuart Hastings [Wed, 9 Mar 2011 21:35:10 +0000 (21:35 +0000)]
Tweak test to work on Linux.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127364 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDisable this test temporarily to reduce BuildBot complaints.
Stuart Hastings [Wed, 9 Mar 2011 21:33:47 +0000 (21:33 +0000)]
Disable this test temporarily to reduce BuildBot complaints.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127363 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPreserve line number information while simplifying libcalls.
Devang Patel [Wed, 9 Mar 2011 21:27:52 +0000 (21:27 +0000)]
Preserve line number information while simplifying libcalls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127362 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoX86 byval copies no longer always_inline. <rdar://problem/8706628>
Stuart Hastings [Wed, 9 Mar 2011 21:10:30 +0000 (21:10 +0000)]
X86 byval copies no longer always_inline.  <rdar://problem/8706628>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127359 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a testcase for the addc improvements introduced some commits ago. Patch by Akira...
Bruno Cardoso Lopes [Wed, 9 Mar 2011 21:05:32 +0000 (21:05 +0000)]
Add a testcase for the addc improvements introduced some commits ago. Patch by Akira Hatanaka

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127358 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRe-enable test and hope to silence the buildbots
Bruno Cardoso Lopes [Wed, 9 Mar 2011 21:00:16 +0000 (21:00 +0000)]
Re-enable test and hope to silence the buildbots

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127357 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agotry to make o32 cc tests less specific to silence some buildbots. The test isn't...
Bruno Cardoso Lopes [Wed, 9 Mar 2011 20:59:05 +0000 (20:59 +0000)]
try to make o32 cc tests less specific to silence some buildbots. The test isn't enabled yet, this is will be done in a subsequent commit. Patch by Akira Hatanaka.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127356 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoLLVM combines the offset mode of A8.6.199 A1 & A2 into STRBT.
Johnny Chen [Wed, 9 Mar 2011 20:01:14 +0000 (20:01 +0000)]
LLVM combines the offset mode of A8.6.199 A1 & A2 into STRBT.
The insufficient encoding information of the combined instruction confuses the decoder wrt
UQADD16.  Add extra logic to recover from that.

Fixed an assert reported by Sean Callanan

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127354 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake these options hidden to reduce the amount of text -help puts on the
Eric Christopher [Wed, 9 Mar 2011 19:46:51 +0000 (19:46 +0000)]
Make these options hidden to reduce the amount of text -help puts on the
command line, they'll still be seen with -help-hidden.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127353 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThese llvm.dbg.* constants are not used anymore.
Devang Patel [Wed, 9 Mar 2011 19:41:33 +0000 (19:41 +0000)]
These llvm.dbg.* constants are not used anymore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127352 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMake physreg coalescing independent on the number of uses of the virtual register.
Jakob Stoklund Olesen [Wed, 9 Mar 2011 19:27:06 +0000 (19:27 +0000)]
Make physreg coalescing independent on the number of uses of the virtual register.

The damage done by physreg coalescing only depends on the number of instructions
the extended physreg live range covers. This fixes PR9438.

The heuristic is still luck-based, and physreg coalescing really should be
disabled completely. We need a register allocator with better hinting support
before that is possible.

Convert a test to FileCheck and force spilling by inserting an extra call. The
previous spilling behavior was dependent on misguided physreg coalescing
decisions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127351 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDelete a test case that is very sensitive to coalescer behavior.
Jakob Stoklund Olesen [Wed, 9 Mar 2011 19:27:02 +0000 (19:27 +0000)]
Delete a test case that is very sensitive to coalescer behavior.

The test is derived from an old miscompilation of
MultiSource/Benchmarks/VersaBench/8b10b which is run regularly, so we are not
losing coverage.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127350 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoImprove varags handling, with testcases. Patch by Sasa Stankovic
Bruno Cardoso Lopes [Wed, 9 Mar 2011 19:22:22 +0000 (19:22 +0000)]
Improve varags handling, with testcases. Patch by Sasa Stankovic

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127349 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoThis test case should work with list-ilp or list-burr.
Andrew Trick [Wed, 9 Mar 2011 19:17:10 +0000 (19:17 +0000)]
This test case should work with list-ilp or list-burr.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127348 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoImprove pre-RA-sched register pressure tracking for duplicate operands.
Andrew Trick [Wed, 9 Mar 2011 19:12:43 +0000 (19:12 +0000)]
Improve pre-RA-sched register pressure tracking for duplicate operands.
This helps cases like 2008-07-19-movups-spills.ll, but doesn't have an obvious impact on benchmarks

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127347 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd createELFObjectTargetWriter method to TargetAsmBackend, which enables constructio...
Jan Sjödin [Wed, 9 Mar 2011 18:44:41 +0000 (18:44 +0000)]
Add createELFObjectTargetWriter method to TargetAsmBackend, which enables construction of non-standard ELFObjectWriters that can be used in MCJIT.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127346 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMissing file from previous commmit (127341) for InitializeTargetAsmParser function.
Jan Sjödin [Wed, 9 Mar 2011 18:36:40 +0000 (18:36 +0000)]
Missing file from previous commmit (127341) for InitializeTargetAsmParser function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127345 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd constructors to MCElfStreamer and MCObjectStreamer to take an extra MCAssembler...
Jan Sjödin [Wed, 9 Mar 2011 17:33:05 +0000 (17:33 +0000)]
Add constructors to MCElfStreamer and MCObjectStreamer to take an extra MCAssembler * argument.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127343 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoWhen SCEV can determine the loop test is X < X, set ExactBECount=0.
Andrew Trick [Wed, 9 Mar 2011 17:29:58 +0000 (17:29 +0000)]
When SCEV can determine the loop test is X < X, set ExactBECount=0.
When ExactBECount is a constant, use it for MaxBECount.
When MaxBECount cannot be computed, replace it with ExactBECount.
Fixes PR9424.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127342 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd InitializeNativeAsmParser function.
Jan Sjödin [Wed, 9 Mar 2011 17:25:46 +0000 (17:25 +0000)]
Add InitializeNativeAsmParser function.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127341 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agowhitespace
Andrew Trick [Wed, 9 Mar 2011 17:23:39 +0000 (17:23 +0000)]
whitespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127340 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix typo, make helper static.
Benjamin Kramer [Wed, 9 Mar 2011 16:19:12 +0000 (16:19 +0000)]
Fix typo, make helper static.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127335 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoProcess some link components that map to other expandable components
Oscar Fuentes [Wed, 9 Mar 2011 14:44:46 +0000 (14:44 +0000)]
Process some link components that map to other expandable components
before the main loop. This is necessary because the loop ignores the
items added to `link_components' after it is entered.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127333 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoRemove unused virtual dtor.
Benjamin Kramer [Wed, 9 Mar 2011 14:20:28 +0000 (14:20 +0000)]
Remove unused virtual dtor.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127331 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTarget/X86: Tweak va_arg for Win64 not to miss taking va_start when number of fixed...
NAKAMURA Takumi [Wed, 9 Mar 2011 11:33:15 +0000 (11:33 +0000)]
Target/X86: Tweak va_arg for Win64 not to miss taking va_start when number of fixed args > 4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127328 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMakefile.rules: [PR2928] "make install" may install include files along explicit...
NAKAMURA Takumi [Wed, 9 Mar 2011 09:11:27 +0000 (09:11 +0000)]
Makefile.rules: [PR2928] "make install" may install include files along explicit pattern, not to install CMake's building stuff.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127325 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix two cases I forgot to update when doing a mental "getSwappedPredicate".
Nick Lewycky [Wed, 9 Mar 2011 08:20:06 +0000 (08:20 +0000)]
Fix two cases I forgot to update when doing a mental "getSwappedPredicate".
Thanks Duncan Sands!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127323 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a test case for r127320.
Cameron Zwarich [Wed, 9 Mar 2011 08:11:02 +0000 (08:11 +0000)]
Add a test case for r127320.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127321 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix a crasher introduced by r127317 that is seen on the bots when using an
Cameron Zwarich [Wed, 9 Mar 2011 07:34:11 +0000 (07:34 +0000)]
Fix a crasher introduced by r127317 that is seen on the bots when using an
alloca as both integer and floating-point vectors of the same size. Bugpoint is
not cooperating with me, but I'll try to find a manual testcase tomorrow.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127320 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd another micro-optimization. Apologies for the lack of refactoring, but I
Nick Lewycky [Wed, 9 Mar 2011 06:26:03 +0000 (06:26 +0000)]
Add another micro-optimization. Apologies for the lack of refactoring, but I
gave up when I realized I couldn't come up with a good name for what the
refactored function would be, to describe what it does.

This is PR9343 test12, which is test3 with arguments reordered. Whoops!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127318 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd support to scalar replacement for partial vector accesses of an alloca, e.g.
Cameron Zwarich [Wed, 9 Mar 2011 05:43:05 +0000 (05:43 +0000)]
Add support to scalar replacement for partial vector accesses of an alloca, e.g.
a union of a float, <2 x float>, and <4 x float>. This mostly comes up with the
use of vector intrinsics, especially in NEON when programmers know the layout of
the register file. This enables codegen to eliminate a lot of the subregister
traffic it would otherwise generate.

This commit only enables this for a small number of floating-point cases, but a
lot more integer cases. I assume this is okay for all ports, but I did not do
extensive testing of the quality of code involving i512 vectors and the like. If
there is a use case where this generates worse code than before, let me know and
we can scale it back.

This fixes <rdar://problem/9036264>.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127317 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoMove vector type merging to a separate function in preparation for it getting
Cameron Zwarich [Wed, 9 Mar 2011 05:43:01 +0000 (05:43 +0000)]
Move vector type merging to a separate function in preparation for it getting
more complicated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127316 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a RUN line to the test case to make it functional. <rdar://problem/9055247>
Stuart Hastings [Wed, 9 Mar 2011 04:02:40 +0000 (04:02 +0000)]
Add a RUN line to the test case to make it functional.  <rdar://problem/9055247>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127312 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a virtual dtor to Delegate to silence -Wnon-virtual-dtor
Matt Beaumont-Gay [Wed, 9 Mar 2011 04:02:15 +0000 (04:02 +0000)]
Add a virtual dtor to Delegate to silence -Wnon-virtual-dtor

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127311 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTest cases for r127309. <rdar://problem/9055247>
Stuart Hastings [Wed, 9 Mar 2011 03:59:52 +0000 (03:59 +0000)]
Test cases for r127309.  <rdar://problem/9055247>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127310 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoBuild bots hate me.
Bill Wendling [Wed, 9 Mar 2011 01:37:39 +0000 (01:37 +0000)]
Build bots hate me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127307 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPR9346: Prevent SimplifyDemandedBits from incorrectly introducing
Eli Friedman [Wed, 9 Mar 2011 01:28:35 +0000 (01:28 +0000)]
PR9346: Prevent SimplifyDemandedBits from incorrectly introducing
INT_MIN % -1.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127306 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTestcase for r127301.
Bill Wendling [Wed, 9 Mar 2011 01:05:00 +0000 (01:05 +0000)]
Testcase for r127301.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127304 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a LiveRangeEdit::Delegate protocol.
Jakob Stoklund Olesen [Wed, 9 Mar 2011 00:57:29 +0000 (00:57 +0000)]
Add a LiveRangeEdit::Delegate protocol.

This will we used for keeping register allocator data structures up to date
while LiveRangeEdit is trimming live intervals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127300 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoPR9420; an instruction before an unreachable is guaranteed not to have any
Eli Friedman [Wed, 9 Mar 2011 00:48:33 +0000 (00:48 +0000)]
PR9420; an instruction before an unreachable is guaranteed not to have any
reachable uses, but there still might be uses in dead blocks.  Use the
standard solution of replacing all the uses with undef.  This is
a rare case because it's very sensitive to phase ordering in SimplifyCFG.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127299 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix testcase.
Eric Christopher [Wed, 9 Mar 2011 00:41:41 +0000 (00:41 +0000)]
Fix testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127298 91177308-0d34-0410-b5e6-96231b3b80d8

13 years ago* Correct encoding for VSRI.
Bill Wendling [Wed, 9 Mar 2011 00:33:17 +0000 (00:33 +0000)]
* Correct encoding for VSRI.
* Add tests for VSRI and VSLI.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127297 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDelete dead code.
Jakob Stoklund Olesen [Wed, 9 Mar 2011 00:07:39 +0000 (00:07 +0000)]
Delete dead code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127295 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoCorrect the encoding for VRSRA and VSRA instructions.
Bill Wendling [Wed, 9 Mar 2011 00:00:35 +0000 (00:00 +0000)]
Correct the encoding for VRSRA and VSRA instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127294 91177308-0d34-0410-b5e6-96231b3b80d8

13 years ago* Fix VRSHR and VSHR to have the correct encoding for the immediate.
Bill Wendling [Tue, 8 Mar 2011 23:48:09 +0000 (23:48 +0000)]
* Fix VRSHR and VSHR to have the correct encoding for the immediate.
* Update the NEON shift instruction test to expect what 'as' produces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127293 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoDelete dead code after rematerializing.
Jakob Stoklund Olesen [Tue, 8 Mar 2011 22:46:11 +0000 (22:46 +0000)]
Delete dead code after rematerializing.

LiveRangeEdit::eliminateDeadDefs() will eventually be used by coalescing,
splitting, and spilling for dead code elimination. It can delete chains of dead
instructions as long as there are no dependency loops.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127287 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agollvm.dbg.declare intrinsic does not use any llvm::Values. It's magic!
Devang Patel [Tue, 8 Mar 2011 22:12:11 +0000 (22:12 +0000)]
llvm.dbg.declare intrinsic does not use any llvm::Values. It's magic!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127282 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoReverting testcase at 4126896; r126672 broke something else. <rdar://problem/9055247>
Stuart Hastings [Tue, 8 Mar 2011 21:54:17 +0000 (21:54 +0000)]
Reverting testcase at 4126896; r126672 broke something else.  <rdar://problem/9055247>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127278 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoOnce again try to appease the buildbot gods.
Bill Wendling [Tue, 8 Mar 2011 21:36:29 +0000 (21:36 +0000)]
Once again try to appease the buildbot gods.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127272 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoStrip cruft.
Benjamin Kramer [Tue, 8 Mar 2011 20:19:10 +0000 (20:19 +0000)]
Strip cruft.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127269 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoAdd a testcase for r127263.
Eric Christopher [Tue, 8 Mar 2011 19:49:15 +0000 (19:49 +0000)]
Add a testcase for r127263.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127266 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoTry to fix the compilation error due to type incombatibility.
Bill Wendling [Tue, 8 Mar 2011 19:39:35 +0000 (19:39 +0000)]
Try to fix the compilation error due to type incombatibility.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127265 91177308-0d34-0410-b5e6-96231b3b80d8

13 years agoFix the build for MSVC 9 whose upper_bound() wants to compare elements in the sorted...
Jakob Stoklund Olesen [Tue, 8 Mar 2011 19:37:54 +0000 (19:37 +0000)]
Fix the build for MSVC 9 whose upper_bound() wants to compare elements in the sorted array.

Patch by Olaf Krzikalla!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127264 91177308-0d34-0410-b5e6-96231b3b80d8