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30623 Commits

Author SHA1 Message Date
Chris Lattner
75b7692e66 switch off of 'Section' onto MCSection. We're not properly using 
MCSection subclasses yet, but this is a step in the right direction.

llvm-svn: 77708
 2009-07-31 18:48:30 +00:00
Dan Gohman
c4f0d838a9 Remove Annotation.h, which is no longer used in the LLVM tree. 
llvm-svn: 77706
 2009-07-31 18:36:25 +00:00
Evan Cheng
0c9705feed Until we have a "ALIGN" pseudo instruction, have asm printer emitted a .align 
to ensure the instruction that follows a TBB (when the number of table entries
is odd) is 2-byte aligned.
Patch by Sandeep Patel.

llvm-svn: 77705
 2009-07-31 18:35:56 +00:00
Dan Gohman
dcc00a2e5c MachineFunction no longer needs Annotation. 
llvm-svn: 77704
 2009-07-31 18:35:51 +00:00
Evan Cheng
038a564156 - Teach TBB / TBH offset limits are 510 and 131070 respectively since the offset 
is scaled by two.
- Teach GetInstSizeInBytes about TBB and TBH.

llvm-svn: 77701
 2009-07-31 18:28:05 +00:00
Dan Gohman
6bec53e39d Fix printing of Alloca instructions with null operands. 
llvm-svn: 77697
 2009-07-31 18:23:24 +00:00
Dan Gohman
173cfdc02f Fix some problems with ASTCallbackVH in its use as a DenseMap key. 
llvm-svn: 77696
 2009-07-31 18:21:48 +00:00
Devang Patel
34cec19943 Process DbgDeclareInst. 
llvm-svn: 77694
 2009-07-31 18:18:52 +00:00
Daniel Dunbar
23baa6b4ad Normalize target registration code. 
llvm-svn: 77692
 2009-07-31 18:16:53 +00:00
Dan Gohman
f28b3bb262 Reapply r77654 with a fix: MachineFunctionPass's getAnalysisUsage 
shouldn't do AU.setPreservesCFG(), because even though CodeGen passes
don't modify the LLVM IR CFG, they may modify the MachineFunction CFG,
and passes like MachineLoop are registered with isCFGOnly set to true.

llvm-svn: 77691
 2009-07-31 18:16:33 +00:00
Chris Lattner
c156a00641 refactor section construction in TLOF to be through an explicit 
initialize method, which can be called when an MCContext is available.

llvm-svn: 77687
 2009-07-31 17:42:42 +00:00
Owen Anderson
d0e6352c97 Move getTrue() and getFalse() to 2.5-like APIs. 
llvm-svn: 77685
 2009-07-31 17:39:07 +00:00
Chris Lattner
a682cb61e7 split MCSection stuff out to its own .cpp file, add a new 
MCSectionWithKind subclass of MCSection.

llvm-svn: 77684
 2009-07-31 17:02:00 +00:00
Chris Lattner
610dfdece7 create sections with MCSection::Create instead of Context->getOrCreateSection. 
This is needed to allow polymorphic sections.

llvm-svn: 77680
 2009-07-31 16:43:49 +00:00
Chris Lattner
85a3632c7a fix PR4650: we only track sizes for certain objects, so only put something 
into the mergable section if it is one of our special cases.  This could
obviously be improved, but this is the minimal fix and restores us to the
previous behavior.

llvm-svn: 77679
 2009-07-31 16:17:13 +00:00
Benjamin Kramer
162dc26fb9 Work around a dangling pointer dereference when enumerating NamedMDNodes. 
llvm-svn: 77675
 2009-07-31 14:22:13 +00:00
Benjamin Kramer
83e2ae8eee Fix a struct/class mismatch, to silence a MSVC warning. 
llvm-svn: 77673
 2009-07-31 11:35:26 +00:00
Sanjiv Gupta
059b94e803 define target names for std libcalls. 
llvm-svn: 77667
 2009-07-31 07:35:57 +00:00
Daniel Dunbar
60d71a790c Revert r77654, it appears to be causing llvm-gcc bootstrap failures, and many 
failures when building assorted projects with clang.

--- Reverse-merging r77654 into '.':
U    include/llvm/CodeGen/Passes.h
U    include/llvm/CodeGen/MachineFunctionPass.h
U    include/llvm/CodeGen/MachineFunction.h
U    include/llvm/CodeGen/LazyLiveness.h
U    include/llvm/CodeGen/SelectionDAGISel.h
D    include/llvm/CodeGen/MachineFunctionAnalysis.h
U    include/llvm/Function.h
U    lib/Target/CellSPU/SPUISelDAGToDAG.cpp
U    lib/Target/PowerPC/PPCISelDAGToDAG.cpp
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/MachineVerifier.cpp
U    lib/CodeGen/MachineFunction.cpp
U    lib/CodeGen/PrologEpilogInserter.cpp
U    lib/CodeGen/MachineLoopInfo.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
D    lib/CodeGen/MachineFunctionAnalysis.cpp
D    lib/CodeGen/MachineFunctionPass.cpp
U    lib/CodeGen/LiveVariables.cpp

llvm-svn: 77661
 2009-07-31 03:02:41 +00:00
Daniel Dunbar
41639473ed llvm-mc: Match a few X86 instructions. 
- This is "experimental" code, I am feeling my way around and working out the
   best way to do things (and learning tblgen in the process). Comments welcome,
   but keep in mind this stuff will change radically.

 - This is enough to match "subb" and friends, but not much else. The next step is to
   automatically generate the matchers for individual operands.

llvm-svn: 77657
 2009-07-31 02:32:59 +00:00
Dan Gohman
645f1122c0 Manage MachineFunctions with an analysis Pass instead of the Annotable 
mechanism. To support this, make MachineFunctionPass a little more
complete.

llvm-svn: 77654
 2009-07-31 01:52:50 +00:00
Benjamin Kramer
67e2ff4df1 Fix cmake build. 
llvm-svn: 77649
 2009-07-31 00:35:23 +00:00
Devang Patel
343bc16228 Add getOrInsertNamedMetadata(). 
llvm-svn: 77646
 2009-07-30 23:59:04 +00:00
Evan Cheng
c9f31ae969 When fp is not eliminated, instructions with T2_i12 modes will be changed to T2_i8 ones. Take that into consideration when determining stack size limit for reserving register scavenging slot. 
llvm-svn: 77642
 2009-07-30 23:29:25 +00:00
Lang Hames
bf6e087067 Removed the BigBlock register allocator. 
llvm-svn: 77640
 2009-07-30 23:18:43 +00:00
Devang Patel
c3f4aa73cc Do not use abbrev while writing NamedMDNode name. 
llvm-svn: 77637
 2009-07-30 23:06:35 +00:00
Devang Patel
da86d84743 Enumerate NamedMDNode elements first. 
llvm-svn: 77636
 2009-07-30 23:03:43 +00:00
Owen Anderson
93ccaf5c60 Move more code back to 2.5 APIs. 
llvm-svn: 77635
 2009-07-30 23:03:37 +00:00
David Goodwin
ef70179502 Remove redundant match for frame index from imm8 addrmode, it is handled by the imm12 addrmode. 
llvm-svn: 77632
 2009-07-30 22:45:52 +00:00
David Goodwin
62efc71b9f Darwin assembler now recognizes "orn", so remove workaround. 
llvm-svn: 77627
 2009-07-30 21:51:41 +00:00
David Goodwin
d29f81da16 Darwin assembler now supports "rrx", so remove workaround. 
llvm-svn: 77625
 2009-07-30 21:38:40 +00:00
Daniel Dunbar
298e11de31 Twine: Directly support int, long, and long long types. 
- This should resolve Cygwin gcc ambiguities.

llvm-svn: 77624
 2009-07-30 21:15:14 +00:00
Dan Gohman
30dfed41b8 Use CallbackVH in AliasSetTracker to avoid getting stuck with 
dangling Value*s.

llvm-svn: 77623
 2009-07-30 20:21:41 +00:00
David Goodwin
2eaffa79af Cleanup and include code selection for some frame index cases. 
llvm-svn: 77622
 2009-07-30 18:56:48 +00:00
Devang Patel
9b0dea089b Start using DebugInfoFinder. 
llvm-svn: 77621
 2009-07-30 18:56:46 +00:00
Devang Patel
788d39ffd4 Do not use getNamedValue() to lookup NamedMDNode. NamedMDNode is not a GlobalValue. 
Thanks Benjamin Kramer!

llvm-svn: 77619
 2009-07-30 18:46:29 +00:00
Daniel Dunbar
edd0313a36 Twine: Use raw_ostream::write_hex, remove unused itohexstr method. 
llvm-svn: 77617
 2009-07-30 18:30:19 +00:00
Devang Patel
ab56b759af s/DebugInfoEnumerator/DebugInfoFinder/g 
llvm-svn: 77615
 2009-07-30 18:25:15 +00:00
Daniel Dunbar
79e9ed1d26 Add raw_ostream::write_hex 
llvm-svn: 77614
 2009-07-30 18:21:23 +00:00
David Goodwin
30429aef93 Add missing D* register clobbers for Thumb-2 call. 
llvm-svn: 77611
 2009-07-30 18:01:09 +00:00
Daniel Dunbar
81f704c26a Twines: Don't allow implicit conversion from integers, this is too tricky. 
llvm-svn: 77605
 2009-07-30 17:37:43 +00:00
Devang Patel
751490b934 walk DbgRegionStartInst and DbgRegionEndInst 
llvm-svn: 77604
 2009-07-30 17:30:23 +00:00
Dan Gohman
0caa78bc21 Minor whitespace tidiness. 
llvm-svn: 77602
 2009-07-30 17:04:07 +00:00
Dan Gohman
0a16a3ee84 Rename GRAD to GR32_AD, to follow the naming convention of other 
classes. And define its SubRegClassList.

llvm-svn: 77601
 2009-07-30 17:02:08 +00:00
Chris Lattner
edb8650e80 add a random codegen deficiency. 
llvm-svn: 77598
 2009-07-30 16:08:58 +00:00
Benjamin Kramer
85fa67c3c5 fix a unitialized pointer in NamedMDNode (and reenable unittest) 
llvm-svn: 77597
 2009-07-30 15:35:55 +00:00
Sanjiv Gupta
b2aad805e0 Allow targets to define libcall names for mem(cpy,set,move) intrinsics, rather than hardcoding them in DAG lowering. 
llvm-svn: 77586
 2009-07-30 09:12:56 +00:00
Evan Cheng
20a1862b23 Add a note. 
llvm-svn: 77584
 2009-07-30 08:56:19 +00:00
Evan Cheng
148032a1a2 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.

llvm-svn: 77582
 2009-07-30 08:33:02 +00:00
Daniel Dunbar
4d07efb3c4 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.

llvm-svn: 77579
 2009-07-30 04:20:37 +00:00
Sanjiv Gupta
6692c2401b Keep track of references to mem(cpy,move,set) and then print only one extern 
declaration for them.

llvm-svn: 77578
 2009-07-30 04:15:15 +00:00
Daniel Dunbar
4d8b1776b4 Twine: Provide [u]int{32,64} conversions via implicit constructors instead of 
explicitly.

llvm-svn: 77576
 2009-07-30 03:47:15 +00:00
Andreas Bolka
56d7bc03dd Equal SCEVs of a subscript give rise to dependence. 
llvm-svn: 77570
 2009-07-30 02:26:01 +00:00
Nate Begeman
72315231bc Typo 
llvm-svn: 77568
 2009-07-30 02:00:06 +00:00
Dan Gohman
3c7e8160f6 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.

llvm-svn: 77565
 2009-07-30 01:56:29 +00:00
Devang Patel
efd06c46c7 Check null NameMDNode elements. 
llvm-svn: 77559
 2009-07-30 01:02:04 +00:00
Dan Gohman
179f1e8a27 Eliminate a bunch of redundant tables. 
llvm-svn: 77558
 2009-07-30 00:40:42 +00:00
Bob Wilson
8624e45518 Lower a 128-bit BUILD_VECTOR with 2 elements to a pair of INSERT_VECTOR_ELTs. 
llvm-svn: 77557
 2009-07-30 00:31:25 +00:00
Dan Gohman
79565c910c Use array_endof instead of doing it manually. 
llvm-svn: 77553
 2009-07-30 00:10:18 +00:00
Devang Patel
ee25ed96f5 print single NamedMDNode. 
llvm-svn: 77549
 2009-07-30 00:02:57 +00:00
Evan Cheng
31ac181755 tbb / tbh instructions only branch forward, not backwards. 
llvm-svn: 77522
 2009-07-29 23:20:20 +00:00
Evan Cheng
fabbd6219a Add VFP3 D registers to the DPR register class. 
llvm-svn: 77521
 2009-07-29 23:03:41 +00:00
Nicolas Geoffray
1583f76c9a 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.

llvm-svn: 77520
 2009-07-29 22:55:02 +00:00
Douglas Gregor
8c9b60cabc Eliminate a few unused-variable warnings 
llvm-svn: 77519
 2009-07-29 22:41:10 +00:00
Devang Patel
d5b7c64109 Read and write NamedMDNode. 
llvm-svn: 77517
 2009-07-29 22:34:41 +00:00
Owen Anderson
881d928f9b Move types back to the 2.5 API. 
llvm-svn: 77516
 2009-07-29 22:17:13 +00:00
Devang Patel
d788af24ac Print named metadata. 
llvm-svn: 77513
 2009-07-29 22:04:47 +00:00
Daniel Dunbar
89cb72a6bc Fix PR4645 which was fallout from the fix for PR4641. 
- Call RAUW to delete all instructions (this is a patch from Nick Lewycky).

llvm-svn: 77512
 2009-07-29 22:00:43 +00:00
Devang Patel
c8dfc60e5e There is no need to keep name ref in NamedMDNode. 
llvm-svn: 77511
 2009-07-29 21:58:56 +00:00
Chris Lattner
613f031b68 inline the global 'getInstrOperandRegClass' function into its callers 
now that TargetOperandInfo does the heavy lifting.

llvm-svn: 77508
 2009-07-29 21:36:49 +00:00
Evan Cheng
90a1ca6e17 Make sure Thumb2 uses the right call instructions. 
llvm-svn: 77507
 2009-07-29 21:26:42 +00:00
Bill Wendling
67495ad58d Forgot to output the base offset. 
llvm-svn: 77505
 2009-07-29 21:19:44 +00:00
Chris Lattner
6c284cc8cd 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.

llvm-svn: 77504
 2009-07-29 21:10:12 +00:00
Chris Lattner
18af1b233a Give getPointerRegClass() a "kind" value so that targets can 
support multiple different pointer register classes.

llvm-svn: 77501
 2009-07-29 20:31:52 +00:00
Evan Cheng
c8d3891c87 - Fix an obvious copy and paste error. 
- Darwin Thumb2 call clobbers r9.

llvm-svn: 77500
 2009-07-29 20:10:36 +00:00
Benjamin Kramer
da986c3fc9 Remove now unused Context variables. 
llvm-svn: 77495
 2009-07-29 19:14:17 +00:00
Owen Anderson
0ce2151b36 Move ConstantExpr to 2.5 API. 
llvm-svn: 77494
 2009-07-29 18:55:55 +00:00
Devang Patel
57fbaa252c Refactor. Fix indentation. 
llvm-svn: 77482
 2009-07-29 18:15:02 +00:00
Eric Christopher
c9c896290e Add llvm_unreachable for ... unreachable code! 
llvm-svn: 77480
 2009-07-29 18:14:04 +00:00
Daniel Dunbar
d2bf575100 Perform simplification noticed by Reid. 
llvm-svn: 77477
 2009-07-29 17:29:36 +00:00
Devang Patel
6bc0c66630 Keep track of named mdnodes in a Module using an ilist. 
llvm-svn: 77476
 2009-07-29 17:16:17 +00:00
Bob Wilson
355e0b70e0 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.

llvm-svn: 77468
 2009-07-29 16:39:22 +00:00
Bob Wilson
2f023d87ee Fix an assumption that there is a single return value when verifying 
overloaded types for intrinsic parameters.

llvm-svn: 77466
 2009-07-29 16:25:56 +00:00
David Greene
04545750d9 Re-apply previous changes and improve column padding performance some more. 
llvm-svn: 77461
 2009-07-29 16:08:27 +00:00
Dan Gohman
a3af79a5c3 Minor code simplification. 
llvm-svn: 77459
 2009-07-29 15:58:36 +00:00
Daniel Dunbar
d13fcdaae5 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.

llvm-svn: 77445
 2009-07-29 07:08:44 +00:00
Daniel Dunbar
1589195975 raw_ostream: Follow the 32-bit path when printing "small" decimal numbers. 
llvm-svn: 77444
 2009-07-29 06:45:14 +00:00
Chris Lattner
c9d366b0c9 more syntactic cleanups. 
llvm-svn: 77442
 2009-07-29 06:33:53 +00:00
Chris Lattner
b53809dfe8 minor smallvector cleanups 
llvm-svn: 77441
 2009-07-29 06:29:53 +00:00
Chris Lattner
a54286efc5 whitespace cleanup. 
llvm-svn: 77438
 2009-07-29 05:48:09 +00:00
Andreas Bolka
eb2d2f79b8 Skeleton for pairwise subscript testing. 
llvm-svn: 77437
 2009-07-29 05:35:53 +00:00
Chris Lattner
12483f0bd7 mingw uses .data and .text, not _data and _text. 
llvm-svn: 77435
 2009-07-29 05:25:42 +00:00
Chris Lattner
f8a9c2f843 fix PR4584 with a trivial patch now that the pieces are in place. 
llvm-svn: 77434
 2009-07-29 05:20:33 +00:00
Nick Lewycky
e0524c1795 Bulk erasing instructions without RAUWing them is unsafe. Instead, break them 
into a new BB that has no predecessors.

llvm-svn: 77433
 2009-07-29 05:17:50 +00:00
Chris Lattner
5c3e1e0d0c pass the mangler down into the various SectionForGlobal methods. 
No functionality change.

llvm-svn: 77432
 2009-07-29 05:09:30 +00:00
Chris Lattner
4f3ed9a1d0 constant prop a utostr. 
llvm-svn: 77430
 2009-07-29 04:55:08 +00:00
Chris Lattner
84205d6042 remove some completely wrong code. 1 is never < 16. It turns out that GCC appears to put strings of any length into the ELF cstring equivalent, so just rip out the code. 
llvm-svn: 77429
 2009-07-29 04:54:38 +00:00
Daniel Dunbar
02fa03ef37 Revert r77397, it causes significant regressions in llc performance. 
llvm-svn: 77425
 2009-07-29 03:04:22 +00:00
Evan Cheng
fc846dd401 Optimize Thumb2 jumptable to use tbb / tbh when all the offsets fit in byte / halfword. 
llvm-svn: 77422
 2009-07-29 02:18:14 +00:00
Eric Christopher
b64d6c8efc Fix comment. 
llvm-svn: 77415
 2009-07-29 01:01:19 +00:00