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Author SHA1 Message Date
Johnny Chen
8f5e04098f Added entries for ASR, LSL, LSR, ROR, and RRX so that the disassembler prints 
out the canonical form (A8.6.98) instead of the pseudo-instruction as provided
via MOVs.

DBG_ARM_DISASM=YES llvm-mc -triple=arm-unknown-unknown --disassemble
0xc0 0x00 0xa0 0xe1
Opcode=29 Name=ASR Format=ARM_FORMAT_LDMISCFRM
 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10  9  8  7  6  5  4  3  2  1  0 
-------------------------------------------------------------------------------------------------
| 1: 1: 1: 0| 0: 0: 0: 1| 1: 0: 1: 0| 0: 0: 0: 0| 0: 0: 0: 0| 0: 0: 0: 0| 1: 1: 0: 0| 0: 0: 0: 0|
-------------------------------------------------------------------------------------------------

	asr	r0, r0, #1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96654 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 02:12:06 +00:00
Dale Johannesen
efd9e95051 Revert 96626, which causes build failure on ppc Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96653 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 01:54:37 +00:00
Evan Cheng
97a35fc3a7 Transform (xor (setcc), (setcc)) == / != 1 to 
(xor (setcc), (setcc)) != / == 1.

e.g. On x86_64
  %0 = icmp eq i32 %x, 0
  %1 = icmp eq i32 %y, 0
  %2 = xor i1 %1, %0
  br i1 %2, label %bb, label %return
=>
	testl   %edi, %edi
	sete    %al
	testl   %esi, %esi
	sete    %cl
	cmpb    %al, %cl
	je      LBB1_2


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96640 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:34:39 +00:00
Chris Lattner
853b919d93 I confused myself, temporaries will be recorded right along with other inputs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:33:13 +00:00
Anton Korobeynikov
f0e7c87e56 Use the same encoding for EH stuff uniformly on all MachO targets. 
This hopefulyl should unbreak EH on PPC/Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96637 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:29:36 +00:00
Chris Lattner
c94fa4c759 introduce a new ResultVal and start keeping track of temporary values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96636 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:27:40 +00:00
Jim Grosbach
cf43e60544 Radar 7636153. In the presence of large call frames, it's not sufficient 
for ARM to just check if a function has a FP to determine if it's safe
to simplify the stack adjustment pseudo ops prior to eliminating frame
indices. Allow targets to override the default behavior and does so for ARM
and Thumb2.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96634 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:16:24 +00:00
Dan Gohman
1b7bf18def When determining the set of interesting reuse factors, consider 
strides in foreign loops. This helps locate reuse opportunities
with existing induction variables in foreign loops and reduces
the need for inserting new ones. This fixes rdar://7657764.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96629 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-19 00:05:23 +00:00
Dan Gohman
aa11defd1c Indvars needs to explicitly notify ScalarEvolution when it is replacing 
a loop exit value, so that if a loop gets deleted, ScalarEvolution
isn't stick holding on to dangling SCEVAddRecExprs for that loop. This
fixes PR6339.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96626 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 23:26:33 +00:00
Mon P Wang
1c40e188c5 getSplatIndex assumes that the first element of the mask contains the splat index 
which is not always true if the mask contains undefs. Modified it to return
the first non undef value.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96621 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 22:33:18 +00:00
Johnny Chen
39a4bb3527 Added LDRD_PRE/POST & STRD_PRE/POST for disassembly only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96619 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 22:31:18 +00:00
Chris Lattner
845c042734 add support for referencing registers and immediates, 
building the tree to represent them but not emitting 
table entries for them yet.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96617 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 22:03:03 +00:00
Talin
196c60a571 replaceUsesOfWithOnConstant implementation for unions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96616 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 21:43:45 +00:00
Dan Gohman
814f2b2d19 Hoist this loop-invariant logic out of the loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96614 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 21:34:02 +00:00
Jakob Stoklund Olesen
352d352c02 Always normalize spill weights, also for intervals created by spilling. 
Moderate the weight given to very small intervals.

The spill weight given to new intervals created when spilling was not
normalized in the same way as the original spill weights calculated by
CalcSpillWeights. That meant that restored registers would tend to hang around
because they had a much higher spill weight that unspilled registers.

This improves the runtime of a few tests by up to 10%, and there are no
significant regressions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96613 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 21:33:05 +00:00
Dan Gohman
49d7f8d341 Make CodePlacementOpt detect special EH control flow by 
checking whether AnalyzeBranch disagrees with the CFG
directly, rather than looking for EH_LABEL instructions.
EH_LABEL instructions aren't always at the end of the
block, due to FP_REG_KILL and other things. This fixes
an infinite loop compiling MultiSource/Benchmarks/Bullet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 21:25:53 +00:00
Devang Patel
0ce7b1255c Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 21:03:36 +00:00
Devang Patel
06fdaccc89 Destroy MDNodes gracefully while deleting llvm context. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96609 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 20:53:16 +00:00
Devang Patel
16c1e79cb2 Ignore target dependent value in grep search. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96604 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 19:52:12 +00:00
Dale Johannesen
116b799488 Generate DBG_VALUE from dbg.value intrinsics. These currently 
comes out as comments but will eventually generate DWARF.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96601 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 18:51:15 +00:00
Dan Gohman
e921792509 Clarify that ptrtoint+inttoptr are an alternative to GEP which are 
not restricted by the GEP rules.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96598 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 18:40:29 +00:00
Dan Gohman
a52eeb93e0 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96597 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 18:22:41 +00:00
Dan Gohman
48f6a3175a Clarify that the rules about object hopping kick in when a pointer is 
deferenced, rather than when the pointer value is computed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96596 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 18:22:18 +00:00
Dan Gohman
cf3d08445d Fix typos Duncan noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96594 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 18:19:17 +00:00
Sanjiv Gupta
7310fe4a69 Remap the call sites of a shared function in interrupt line functions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96591 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 18:00:35 +00:00
Sanjiv Gupta
d6d9fb503d Re-factoring. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96589 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 17:32:25 +00:00
Duncan Sands
18619b2aeb Uniformize the way these options are printed. Requested by 
Russell Wallace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96580 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 14:37:52 +00:00
Duncan Sands
1aecd15bd1 Remove terminating dot in description. Inconsistency pointed 
out by Russell Wallace.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96579 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 14:10:41 +00:00
Duncan Sands
7e7ae5ad69 Refer to -help instead of --help since this is what tools themselves say. 
Also, have tools output -help-hidden rather than refer to --help-hidden,
for consistency, and likewise adjust documentation.  This doesn't change
every mention of --help, only those which seemed clearly safe.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96578 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 14:08:13 +00:00
Benjamin Kramer
3460f221cd Avoid a dangling pointer dereference, PassManager::add can delete the Pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96576 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 12:57:05 +00:00
Chris Lattner
b49985a849 start sketching out the structure of code for result emission generation. 
Nothing real here yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96575 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 06:47:49 +00:00
Chris Lattner
1a7d087154 add a missing type cast. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96574 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 06:33:42 +00:00
Chris Lattner
7954926aeb remove empty file 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96573 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 06:29:06 +00:00
Bob Wilson
9f6c4c141f Use NEON vmin/vmax instructions for floating-point selects. 
Radar 7461718.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96572 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 06:05:53 +00:00
Jeffrey Yasskin
2155d459a7 Roll back the shared library, r96559. It broke two darwins and arm, mysteriously. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96569 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 04:43:02 +00:00
Johnny Chen
adb561d4e0 Added LDRSBT, LDRHT, LDRSHT for disassembly only. And fixed encoding errors 
of AI3ldsbpo, AI3ldhpo, and AI3ldshpo in ARMInstrFormats.td in the process.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96565 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 03:27:42 +00:00
Chris Lattner
bd8227f529 rename the child field to 'next'. This is not a parent/child 
relationship, this is a linear list relationship.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96561 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 02:53:41 +00:00
Chris Lattner
8ef9c7958a eliminate the MatcherNodeWithChild class, give the 'child' 
field to MatcherNode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96560 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 02:49:24 +00:00
Jeffrey Yasskin
f6afae2f49 Add a shared library for LLVM, named libLLVM2.7svn.(so|dylib), and add an 
--enable-shared configure flag to have the tools linked shared. (2.7svn is just
$(LLVMVersion) so it'll change to "2.7" in the release.)  Always link the
example programs shared to test that the shared library keeps working.

On my mac laptop, Debug libLLVM2.7svn.dylib is 39MB, and opt (for example) is
16M static vs 440K shared.

Two things are less than ideal here:
1) The library doesn't include any version information. Since we expect to break
the ABI with every release, this shouldn't be much of a problem. If we do
release a compatible 2.7.1, we may be able to hack its library to work with
binaries compiled against 2.7.0, or we can just ask them to recompile. I'm
hoping to get a real packaging expert to look at this for the 2.8 release.
2) llvm-config doesn't yet have an option to print link options for the shared
library. I'll add this as a subsequent patch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96559 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 02:36:02 +00:00
Evan Cheng
89bb7b5640 Some dag combiner goodness: 
Transform br (xor (x, y)) -> br (x != y)
Transform br (xor (xor (x,y), 1)) -> br (x == y)
Also normalize (and (X, 1) == / != 1 -> (and (X, 1)) != / == 0 to match to "test on x86" and "tst on arm"


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96556 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 02:13:50 +00:00
Devang Patel
ca82a15ad1 New test case for r96543. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96544 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 00:53:49 +00:00
Chris Lattner
dcdcef2cb3 fit in 80 cols 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96541 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 00:23:27 +00:00
Johnny Chen
fd6037d613 Added for disassembly only the variants of DMB, DSB, and ISB. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96540 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-18 00:19:08 +00:00
Eric Christopher
49cf3a7173 Fix a few unused parameter warnings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96533 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 23:55:26 +00:00
Daniel Dunbar
eb3804e39a MC/Mach-O: Update fixup values for change to X86 offsets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96532 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 23:45:16 +00:00
Dan Gohman
887e4a5442 Make this an unnumbered list. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96528 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 22:54:10 +00:00
Dan Gohman
52658d1dfc HTML validation fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96527 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 22:50:12 +00:00
Dan Gohman
dfecbe9b0c Add an "advanced" GetElementPtr FAQ document, with answers to 
questions left unanswered by the first GetElementPtr FAQ.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96526 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 22:47:06 +00:00
Bob Wilson
69bfbd61c6 Remove the NEON N2VSInt instruction class: it's only used in one place and 
since it has no pattern, there's not much point in distinguishing an "N2VS"
class for intrinsics anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96525 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 22:42:54 +00:00
Johnny Chen
b943627915 Added CLREX (Clear-Exclusive) for disassembly only. 
A8.6.30


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96523 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-02-17 22:37:58 +00:00