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Author SHA1 Message Date
Dan Gohman
67e02ffd79 When determining a canonical insert position, don't climb deeper 
into adjacent loops. Also, ensure that the insert position is
dominated by the loop latch of any loop in the post-inc set which
has a latch.

llvm-svn: 100906
 2010-04-09 22:07:05 +00:00
Bob Wilson
c340ffd866 Tidy whitespace. 
llvm-svn: 100904
 2010-04-09 21:38:26 +00:00
Johnny Chen
b6b7028930 If all the bit positions are not specified; do not decode the instructions. 
We are bound to fail!  For proper disassembly, the well-known encoding bits
of the instruction must be fully specified.

This also removes pseudo instructions from considerations of disassembly,
which is a better design and less fragile than the name matchings.

llvm-svn: 100899
 2010-04-09 21:01:02 +00:00
Chris Lattner
7ecde540fb suck the propagating "has dynamic libs" check into a single makefile 
variable TARGET_HAS_DYNAMIC_LIBS

llvm-svn: 100896
 2010-04-09 20:51:47 +00:00
Chris Lattner
9d77e5ba47 add minix support, patch by Kees van Reeuwijk! PR6797 
llvm-svn: 100895
 2010-04-09 20:45:04 +00:00
Chris Lattner
cd7b368e65 clean this up, fix std::min ambiguity on some platforms. 
llvm-svn: 100894
 2010-04-09 20:43:54 +00:00
Wesley Peck
6a6f1a5afa Adding IPSCCP and Internalize passes to the C-bindings 
llvm-svn: 100893
 2010-04-09 20:43:20 +00:00
Bob Wilson
ef934eac9f Provide versions of the ARM eh_sjlj_setjmp instructions for non-VFP subtargets 
such that the non-VFP versions have no implicit defs of VFP registers.
If any callee-saved VFP registers are marked as having been defined, the
prologue/epilogue code will try to save and restore them.
Radar 7770432.

llvm-svn: 100892
 2010-04-09 20:41:18 +00:00
Ted Kremenek
90babe9f35 Move 'Optional' class from Clang to LLVM/ADT. 
llvm-svn: 100889
 2010-04-09 20:25:54 +00:00
Johnny Chen
c531a30631 ARM decoder emitter should print out useful information unconditionally when it 
encounters decoding conflicts, instead of wrapping it inside the DEBUG() macro. 

llvm-svn: 100886
 2010-04-09 19:31:33 +00:00
Dan Gohman
e36761b7d0 When emitting code for an add, don't force a SCEVUnknown wrapper around 
a hoisted intermediate result if the intermediate result isn't an
Instruction.

llvm-svn: 100884
 2010-04-09 19:14:31 +00:00
Dan Gohman
2ea51b7464 When looking for loop-invariant users, look through no-op instructions, 
so that an unfortunately placed bitcast doesn't pin a value in a
register.

llvm-svn: 100883
 2010-04-09 19:12:34 +00:00
Benjamin Kramer
f040734da3 Make sure this test tests something. 
llvm-svn: 100879
 2010-04-09 19:03:31 +00:00
Bob Wilson
adb1da2978 Fix a grammaro. 
llvm-svn: 100877
 2010-04-09 18:39:54 +00:00
Bob Wilson
ee7665078a Add a testcase for svn r100568. 
llvm-svn: 100876
 2010-04-09 18:29:29 +00:00
Chris Lattner
5408e8a62b "On SPU, variables in the .bss section that are allocated with the .lcomm directive are not aligned on 16 byte boundaries. This causes misaligned loads, as the generated assembly assumes this "default" alignment. 
this patch disables .lcomm in favour of '.local .comm'

Patch by Kalle Raisklia!

llvm-svn: 100875
 2010-04-09 18:27:03 +00:00
Dan Gohman
d142f14f78 Add a comment. 
llvm-svn: 100874
 2010-04-09 18:20:03 +00:00
Bob Wilson
ae630d5518 Fix up header comments to match the comment fixups I made in r100849. 
llvm-svn: 100869
 2010-04-09 16:24:49 +00:00
Devang Patel
55172d3571 Clear InsnsBeginScopeSet and InsnsEndScopeSet at the end of function. 
llvm-svn: 100867
 2010-04-09 16:04:20 +00:00
Gabor Greif
f63f840826 performance: cache result of looking up user 
llvm-svn: 100862
 2010-04-09 15:18:34 +00:00
Dan Gohman
a451b859f9 Merge a few fast-isel tests. 
llvm-svn: 100860
 2010-04-09 15:03:55 +00:00
Dan Gohman
1dbce98fac Minor code simplification. 
llvm-svn: 100859
 2010-04-09 14:53:59 +00:00
Dan Gohman
f9cf2772f6 Delete this obsolete comment. 
llvm-svn: 100858
 2010-04-09 14:12:01 +00:00
Gabor Greif
6f820a041f const-ize a predicate 
llvm-svn: 100856
 2010-04-09 10:57:00 +00:00
Chandler Carruth
362be7d46d Add a missing dependency to this library when building with CMake. 
llvm-svn: 100852
 2010-04-09 05:55:25 +00:00
Bob Wilson
1fa38ca6fd Use getNumImplicitDefs() and getNumImplicitUses(). 
llvm-svn: 100850
 2010-04-09 04:46:43 +00:00
Bob Wilson
ed50c79a3a Fix up some comments. 
llvm-svn: 100849
 2010-04-09 04:34:03 +00:00
Chris Lattner
bc47db9f8e revert r100842 which broke several of the build bots. 
llvm-svn: 100848
 2010-04-09 04:24:20 +00:00
Daniel Dunbar
4ddbf8ad2c lit: Add support to OneCommandPerFileTest format to take input directory from input path. 
llvm-svn: 100846
 2010-04-09 02:15:10 +00:00
Dan Gohman
5ff28f586e Refactor the code for computing the insertion point for an expression into 
a separate function.

llvm-svn: 100845
 2010-04-09 02:00:38 +00:00
Sean Callanan
6a94ce3daf Added a tester for the enhanced disassembler, 
integrated into the llvm-mc testing tool.

llvm-svn: 100842
 2010-04-09 01:43:16 +00:00
Dan Gohman
b07151b5dd Add several more lint checks. 
llvm-svn: 100841
 2010-04-09 01:39:53 +00:00
Dan Gohman
853ff6b580 Fix a bug in IVUsers which was permitting non-affine addrecs to 
be sent to LSR, which it isn't prepared to handle.

llvm-svn: 100839
 2010-04-09 01:22:56 +00:00
Dan Gohman
6798e98b41 Don't use reserved identifiers. 
llvm-svn: 100838
 2010-04-09 01:19:28 +00:00
Chris Lattner
08fed5e338 fix a SCCP miscompilation that could happen when a 
forced constant is changed to a constant, we would end
up adding the instruction to the wrong worklist, 
preventing it from being properly revisited.  This fixes
rdar://7832370

llvm-svn: 100837
 2010-04-09 01:14:31 +00:00
Sean Callanan
736f3ecc4c Bugfixes for edis. Code to initialize instruction 
state was being executed too lazily, and the LLVM
assembly syntax for the disassembler was not being
written into the proper disassembler state variable.

llvm-svn: 100830
 2010-04-09 00:11:15 +00:00
Dan Gohman
c33ea94108 Avoid allocating a value of zero in a register if the initial formula 
inputs happen to negate each other.

llvm-svn: 100828
 2010-04-08 23:36:27 +00:00
Dan Gohman
eeb89ac6d3 Add a few more lint checks. 
llvm-svn: 100825
 2010-04-08 23:05:57 +00:00
Dan Gohman
127f5c53e1 Add variants of ult, ule, etc. which take a uint64_t RHS, for convenience. 
llvm-svn: 100824
 2010-04-08 23:03:40 +00:00
Chris Lattner
e154403f78 delete a forwarding function. 
llvm-svn: 100815
 2010-04-08 21:34:17 +00:00
Chris Lattner
1cf4bded13 move elf section uniquing to MCContext. Along the way 
merge XCore's section into MCSectionELF

llvm-svn: 100812
 2010-04-08 21:26:26 +00:00
Johnny Chen
43b072e18d Now that Evan Cheng has fixed the coalescer bug (r100804), the workaround code 
to avoid memcpy() call is no longer necessary.

llvm-svn: 100811
 2010-04-08 21:23:54 +00:00
Chris Lattner
0225dbbfee remove the TargetLoweringObjectFileMachO::getMachoSection 
api and update clients to use MCContext instead.

llvm-svn: 100808
 2010-04-08 20:40:11 +00:00
Chris Lattner
60ff59e5c1 move macho section uniquing from MCParser and TLOF to MCContext where 
the compiler and asmparser now unique to the same sections.  This fixes
rdar://7835021.

llvm-svn: 100807
 2010-04-08 20:30:37 +00:00
Evan Cheng
619f1b8a94 Coalescer should not delete copy instructions whose defs are partially dead. e.g. 
%RDI<def,dead> = MOV64rr %RAX<kill>, %EDI<imp-def>

llvm-svn: 100804
 2010-04-08 20:02:37 +00:00
Ted Kremenek
de32c8d8db Update CMake build. 
llvm-svn: 100802
 2010-04-08 18:52:18 +00:00
Ted Kremenek
141d32b7e9 Fix -Wsign-compare warning (issued by clang++). 
llvm-svn: 100799
 2010-04-08 18:49:30 +00:00
Dan Gohman
6ad805d335 Add a -lint pass which checks for common sources of undefined or likely 
unintended behavior.

llvm-svn: 100798
 2010-04-08 18:47:09 +00:00
Devang Patel
17b5b1dd88 Rename a function. 
llvm-svn: 100797
 2010-04-08 18:43:56 +00:00
Chris Lattner
f6e9c0c4bd implicit defs get added to the end of machine instrs sometimes. Scan the whole instruction for the metadata operand instead of assuming it will be at the end of the instruction. 
llvm-svn: 100792
 2010-04-08 18:20:52 +00:00