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Author SHA1 Message Date
Evan Cheng
d847124211 Thumb2 IT blocks are fairly expensive. When there are multiple selects using 
the same condition, it's important to make sure they are scheduled together
to avoid forming multiple IT blocks. I'm adding a pre-regalloc pass that forms
IT blocks early (by re-scheduling instructions and split basic blocks) to
attempt to fix this. This is not turned on by default since I am not sure this
is the right fix.

Another issue is llvm selects are modeled as two-address conditional moves.
This can be very bad when the copies before the conditional moves are not
coalesced away. Teach IT formation pass to move the copies above the IT block
(when legal) to avoid breaking the IT block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105669 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-09 01:46:50 +00:00
Nate Begeman
6c060dbf84 Handle instructions which need to be #defines for the purpose of capturing constant arguments 
Handle extract hi/lo with common code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105666 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-09 01:09:00 +00:00
Jakob Stoklund Olesen
c3c2517fed Add argument name comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105665 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-09 00:40:31 +00:00
Kevin Enderby
09712b57ce Incremental improvement to the handling of the x86 "Jump if rCX Zero" 
instruction.  Added the 64-bit version "jrcxz" so it is recognized and also
added the checks for incorrect uses of "jcxz" in 64-bit mode and "jrcxz" in
32-bit mode.  Still to do is to correctly handle the encoding of the
instruction adding the Address-size override prefix byte, 0x67, when the width
of the count register is not the same as the mode the machine is running in.
Which for example means the encoding of "jecxz" depends if you are assembling
as a 32-bit target or a 64-bit target.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105661 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 23:48:44 +00:00
Eric Christopher
497f1eb2b8 Split out these asserts so it's more apparent why we're not assembling 
that rip-relative address when executing in 32-bit mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105656 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 22:57:33 +00:00
Jim Grosbach
6335ac67b6 fix copy/paste/modify think-o 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 22:53:32 +00:00
Bruno Cardoso Lopes
99405df044 Reapply r105521, this time appending "LLU" to 64 bit 
immediates to avoid breaking the build.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105652 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 22:51:23 +00:00
Eric Christopher
544153653b Ensure that mov and not lea are used to stick the address into 
the register.  While we're at it, make sure it's in the right one.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 22:04:25 +00:00
Daniel Dunbar
546023f5cb Makefiles: Teach LLVM's recursive makefile descent to update objdir Makefiles if 
they are out of date, instead of only testing if they exist.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 20:10:13 +00:00
Jim Grosbach
b84adb3b80 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 20:06:55 +00:00
Daniel Dunbar
ef45832d7c Use const_iterator where appropriate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105620 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 17:21:57 +00:00
Daniel Dunbar
18ed7b27eb DeltaAlgorithm: Tweak split to split by first/second half instead of even/odd, since adjacent changes are more likely to be related. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 16:21:26 +00:00
Daniel Dunbar
73c6031a25 ADT: Add DAGDeltaAlgorithm, which is a DAG minimization algorithm built on top of the standard 'delta debugging' algorithm. 
- This can give substantial speedups in the delta process for inputs we can construct dependency information for.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105612 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 16:21:22 +00:00
Rafael Espindola
4741c701a4 Add more virtual memory to lit. The python in x86-64 fedora 13 needs it to run 
the llvm tests :-(
It was failing with

-- Testing: 5324 tests, 8 threads --
Fatal Python error: PyEval_AcquireThread: NULL new thread state

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 16:17:58 +00:00
Benjamin Kramer
d164d3d9e7 Use realloc instead of malloc+memcpy when growing a POD SmallVector. A smart 
realloc implementation can try to expand the allocated memory block in-place,
avoiding the copy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105605 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 11:44:30 +00:00
Kalle Raiskila
e77ff11a34 Flag SPU's function call sequence together. 
Discussed here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2010-June/032107.html


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 07:55:16 +00:00
Nate Begeman
96ec22d683 Fix a valgrind error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105600 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 07:11:17 +00:00
Nate Begeman
5638783276 Refine BuiltinsARM.def types a bit, we should do a better job of this to save some c++ code in CGBuiltins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 06:01:16 +00:00
Bob Wilson
dd726e5bce Fix up a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105591 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 00:42:08 +00:00
Nate Begeman
900f4674c1 ARM NEON: 
fix vcvt naming
handle vdup, vcombine with generic vector code


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105588 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-08 00:14:42 +00:00
Bob Wilson
53dd2454d5 Further changes for Neon vector shuffles: 
- change isShuffleMaskLegal to show that all shuffles with 32-bit and 64-bit
  elements are legal
- the Neon shuffle instructions do not support 64-bit elements, but we were
  not checking for that before lowering shuffles to use them
- remove some 64-bit element vduplane patterns that are no longer needed


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105586 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 23:53:38 +00:00
Bob Wilson
66dc4e2acd Fix a mistake in my previous change r105437: don't access operand 2 and assume 
that it is an immediate before checking that the instruction is an
EXTRACT_SUBREG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105585 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 23:48:46 +00:00
Dan Gohman
4af55a9164 Add an svn:ignore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 23:15:15 +00:00
Dan Gohman
ba1fe14245 Add some basic debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105561 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 22:32:10 +00:00
Stuart Hastings
8ece123ebd Tweak test for debug/metadata change, update to FileCheck. Radar 7424645. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105559 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 21:50:54 +00:00
Jim Grosbach
8077e76f93 Handle dbg_value instructions (i.e., skip them) when generating IT blocks. 
rdar://7797940

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105557 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 21:48:47 +00:00
Nick Lewycky
221aec60a7 Plug a leak in the non-error case by removing one level of indirection. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 21:42:19 +00:00
Jim Grosbach
66f360e990 Cleanup. Process the dbg_values separately 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105554 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 21:28:55 +00:00
Dan Gohman
4d541e4424 Fix this test to work under lit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105553 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 20:58:11 +00:00
Dan Gohman
d0a6a8ca31 Run dead type elimination after dead argument elimination. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105552 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 20:28:37 +00:00
Dan Gohman
b9539745c5 Make bugpoint dead-argument-hacking actually work, and actually test it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105551 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 20:20:33 +00:00
Dan Gohman
e49a13e726 Use ->isVoidTy(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105550 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 20:19:26 +00:00
Dan Gohman
fd447eff22 The FoldingSet hash data includes pointer values, so it isn't 
determinstic. Instead, give SCEV objects an arbitrary sequence
number.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105548 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:36:14 +00:00
Dan Gohman
5e5dd68c7f Optimize this code somewhat by taking advantage of the fact 
that the operands are sorted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105546 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:20:57 +00:00
Bill Wendling
d942df2f9e Another place where the code wanted to access the argument list and not all of 
the operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105545 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:18:58 +00:00
Dan Gohman
1f23d63ddf Micro-optimize this, to speed up this hotspot in debug builds a little. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105544 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:16:37 +00:00
Dan Gohman
ef07158c11 Micro-optimize this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105542 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:12:54 +00:00
Jim Grosbach
41a628237c Move exit check where it really belongs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105541 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:12:21 +00:00
Dan Gohman
4d52c6d622 Optimize ScalarEvolution's SCEVComplexityCompare predicate: don't go 
scrounging through SCEVUnknown contents and SCEVNAryExpr operands;
instead just do a simple deterministic comparison of the precomputed
hash data.

Also, since this is more precise, it eliminates the need for the slow
N^2 duplicate detection code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105540 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:06:13 +00:00
Bill Wendling
22a5b29820 Create new accessors to get arguments for call/invoke instructions. It breaks 
encapsulation to force the users of these classes to know about the internal
data structure of the Operands structure. It also can lead to errors, like in
the MSIL writer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105539 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 19:05:06 +00:00
Rafael Espindola
6c8099243a Misc cleanups to the gold plugin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105534 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 16:45:22 +00:00
Nate Begeman
b0a4e4554e clang codegen support 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105531 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-07 16:00:37 +00:00
Kenneth Uildriks
3a4340d4cb Partial specialization was not checking the callsite to make sure it was using the same constants as the specialization, leading to calls to the wrong specialization. Patch by Takumi Nakamura\! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105528 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 14:50:21 +00:00
Duncan Sands
431c3e7404 This bug is also present in MSVC10. Requested by Elrood on IRC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105527 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 12:40:43 +00:00
Chris Lattner
1087f54ddb revert r105521, which is breaking the buildbots with stuff like this: 
In file included from X86InstrInfo.cpp:16:
X86GenInstrInfo.inc:2789: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2790: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2792: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2793: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2808: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2809: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2816: error: integer constant is too large for 'long' type
X86GenInstrInfo.inc:2817: error: integer constant is too large for 'long' type



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105524 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 04:17:30 +00:00
Bruno Cardoso Lopes
3eca98bb3a Initial AVX support for some instructions. No patterns matched 
yet, only assembly encoding support.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105521 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 03:53:24 +00:00
Bruno Cardoso Lopes
270562b3d4 Teach tablegen to support 'defm' inside multiclasses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105519 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 02:11:52 +00:00
Dan Gohman
8613b18a5a Make MachineFunctionPass::createPrinterPass private, as no subclasses 
should be calling it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105517 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 01:19:12 +00:00
Dale Johannesen
cf296fa162 Improvements to tail call code. No functional effect 
unless using -arm-tail-calls.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105515 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 00:51:39 +00:00
Dan Gohman
fdbef823ad getFoldedOffsetOf no longer does anything special with vector types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@105514 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-06-05 00:47:34 +00:00