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68a31c2583
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30607 Commits

Author SHA1 Message Date
Dan Gohman
68a31c2583 Rename GRAD to GR32_AD, to follow the naming convention of other 
classes. And define its SubRegClassList.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77601 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 17:02:08 +00:00
Chris Lattner
513503961d add a random codegen deficiency. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 16:08:58 +00:00
Benjamin Kramer
20cc4b8cd9 fix a unitialized pointer in NamedMDNode (and reenable unittest) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77597 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 15:35:55 +00:00
Sanjiv Gupta
a114baa5bf Allow targets to define libcall names for mem(cpy,set,move) intrinsics, rather than hardcoding them in DAG lowering. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77586 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 09:12:56 +00:00
Evan Cheng
7216920791 Add a note. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77584 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 08:56:19 +00:00
Evan Cheng
37b7387da9 Optimize some common usage patterns of atomic built-ins __sync_add_and_fetch() and __sync_sub_and_fetch. 
When the return value is not used (i.e. only care about the value in the memory), x86 does not have to use add to implement these. Instead, it can use add, sub, inc, dec instructions with the "lock" prefix.

This is currently implemented using a bit of instruction selection trick. The issue is the target independent pattern produces one output and a chain and we want to map it into one that just output a chain. The current trick is to select it into a merge_values with the first definition being an implicit_def. The proper solution is to add new ISD opcodes for the no-output variant. DAG combiner can then transform the node before it gets to target node selection.

Problem #2 is we are adding a whole bunch of x86 atomic instructions when in fact these instructions are identical to the non-lock versions. We need a way to add target specific information to target nodes and have this information carried over to machine instructions. Asm printer (or JIT) can use this information to add the "lock" prefix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77582 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 08:33:02 +00:00
Daniel Dunbar
7f93dc8345 Switch obvious clients to Twine instead of utostr (when they were already using 
a Twine, e.g., for names).
 - I am a little ambivalent about this; we don't want the string conversion of
   utostr, but using overload '+' mixed with string and integer arguments is
   sketchy. On the other hand, this particular usage is something of an idiom.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77579 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 04:20:37 +00:00
Sanjiv Gupta
e409f0a779 Keep track of references to mem(cpy,move,set) and then print only one extern 
declaration for them.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77578 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 04:15:15 +00:00
Daniel Dunbar
0165a2ca89 Twine: Provide [u]int{32,64} conversions via implicit constructors instead of 
explicitly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77576 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 03:47:15 +00:00
Andreas Bolka
713395950a Equal SCEVs of a subscript give rise to dependence. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77570 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 02:26:01 +00:00
Nate Begeman
55a961f075 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77568 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 02:00:06 +00:00
Dan Gohman
a4714e025d Add a new register class to describe operands that can't be SP, 
due to x86 encoding restrictions. This is currently off by default
because it may cause code quality regressions. This is for PR4572.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77565 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 01:56:29 +00:00
Devang Patel
e8861b840b Check null NameMDNode elements. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77559 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 01:02:04 +00:00
Dan Gohman
084d1ba5ad Eliminate a bunch of redundant tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77558 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 00:40:42 +00:00
Bob Wilson
cf661e2c56 Lower a 128-bit BUILD_VECTOR with 2 elements to a pair of INSERT_VECTOR_ELTs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 00:31:25 +00:00
Dan Gohman
7c5f0c5ce9 Use array_endof instead of doing it manually. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77553 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 00:10:18 +00:00
Devang Patel
c29d5b378e print single NamedMDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77549 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-30 00:02:57 +00:00
Evan Cheng
8770f747a9 tbb / tbh instructions only branch forward, not backwards. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77522 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 23:20:20 +00:00
Evan Cheng
d600522608 Add VFP3 D registers to the DPR register class. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 23:03:41 +00:00
Nicolas Geoffray
1b10d798d7 In TrimAllocationToSize, if a block is below the minimum allocation size, 
there is no new block added to the free list. Therefore on the next
startFunctionBody call, a new slab must be allocated.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77520 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:55:02 +00:00
Douglas Gregor
f485b3bbab Eliminate a few unused-variable warnings 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77519 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:41:10 +00:00
Devang Patel
aa99314251 Read and write NamedMDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77517 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:34:41 +00:00
Owen Anderson
debcb01b0f Move types back to the 2.5 API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77516 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:17:13 +00:00
Devang Patel
37c4a2d6f1 Print named metadata. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77513 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:04:47 +00:00
Daniel Dunbar
473955f439 Fix PR4645 which was fallout from the fix for PR4641. 
- Call RAUW to delete all instructions (this is a patch from Nick Lewycky).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77512 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 22:00:43 +00:00
Devang Patel
5316bf0252 There is no need to keep name ref in NamedMDNode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77511 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 21:58:56 +00:00
Chris Lattner
2a38688494 inline the global 'getInstrOperandRegClass' function into its callers 
now that TargetOperandInfo does the heavy lifting.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77508 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 21:36:49 +00:00
Evan Cheng
20a2a0aff3 Make sure Thumb2 uses the right call instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77507 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 21:26:42 +00:00
Bill Wendling
409914b773 Forgot to output the base offset. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77505 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 21:19:44 +00:00
Chris Lattner
cb778a8634 1. Introduce a new TargetOperandInfo::getRegClass() helper method 
and convert code to using it, instead of having lots of things
   poke the isLookupPtrRegClass() method directly.

2. Make PointerLikeRegClass contain a 'kind' int, and store it in
   the existing regclass field of TargetOperandInfo when the
   isLookupPtrRegClass() predicate is set.  Make getRegClass pass
   this into TargetRegisterInfo::getPointerRegClass(), allowing
   targets to have multiple ptr_rc things.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77504 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 21:10:12 +00:00
Chris Lattner
2cfd52c507 Give getPointerRegClass() a "kind" value so that targets can 
support multiple different pointer register classes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77501 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 20:31:52 +00:00
Evan Cheng
0531d04d00 - Fix an obvious copy and paste error. 
- Darwin Thumb2 call clobbers r9.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77500 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 20:10:36 +00:00
Benjamin Kramer
6c1e983a17 Remove now unused Context variables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77495 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 19:14:17 +00:00
Owen Anderson
baf3c40440 Move ConstantExpr to 2.5 API. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 18:55:55 +00:00
Devang Patel
985fea2f1a Refactor. Fix indentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77482 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 18:15:02 +00:00
Eric Christopher
978dae35e2 Add llvm_unreachable for ... unreachable code! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 18:14:04 +00:00
Daniel Dunbar
89ae98cb76 Perform simplification noticed by Reid. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77477 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 17:29:36 +00:00
Devang Patel
28bc9d8826 Keep track of named mdnodes in a Module using an ilist. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 17:16:17 +00:00
Bob Wilson
b7d0c90c44 Change Neon VLDn intrinsics to return multiple values instead of really 
wide vectors.  Likewise, change VSTn intrinsics to take separate arguments
for each vector in a multi-vector struct.  Adjust tests accordingly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77468 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 16:39:22 +00:00
Bob Wilson
dc297c1f66 Fix an assumption that there is a single return value when verifying 
overloaded types for intrinsic parameters.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77466 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 16:25:56 +00:00
David Greene
eb85728970 Re-apply previous changes and improve column padding performance some more. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77461 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 16:08:27 +00:00
Dan Gohman
dcb40a3c1c Minor code simplification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77459 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 15:58:36 +00:00
Daniel Dunbar
763457e70b Twines: Support numeric conversion directly (uitostr, etc). 
- Provides static constructors for doing number to string conversions without
   using temporaries.

 - There are several ways to do this, I think given the Twine constraints this
   is the simplest one.

 - One FIXME for fast number -> hex conversion.

 - Added another comment on one last major bit of perf work Twines need, which
   is to make raw_svector_ostream more efficient.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77445 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 07:08:44 +00:00
Daniel Dunbar
78a3dd8fe1 raw_ostream: Follow the 32-bit path when printing "small" decimal numbers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77444 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 06:45:14 +00:00
Chris Lattner
37dfdecafd more syntactic cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77442 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 06:33:53 +00:00
Chris Lattner
c3c35b1721 minor smallvector cleanups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77441 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 06:29:53 +00:00
Chris Lattner
31dcfe6121 whitespace cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77438 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 05:48:09 +00:00
Andreas Bolka
15f72dbf97 Skeleton for pairwise subscript testing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 05:35:53 +00:00
Chris Lattner
83d1c3db39 mingw uses .data and .text, not _data and _text. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77435 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 05:25:42 +00:00
Chris Lattner
b8f396bdbb fix PR4584 with a trivial patch now that the pieces are in place. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-07-29 05:20:33 +00:00