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Author SHA1 Message Date
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
Dan Gohman
b2a87fa39d Pointers to zero-sized objects don't point to overlapping objects. 
llvm-svn: 100789
 2010-04-08 18:11:50 +00:00
Dan Gohman
5bf62639ed Print empty structs as {} rather than { }. 
llvm-svn: 100787
 2010-04-08 18:03:05 +00:00
Dan Gohman
95038973ce Fix a comment. 
llvm-svn: 100783
 2010-04-08 17:41:04 +00:00
Jeffrey Yasskin
299019ff08 Touch configure so it regenerates Disassemblers.def to include ARM so 
people stop seeing a broken build in EDDisassembler.cpp

llvm-svn: 100782
 2010-04-08 17:19:20 +00:00
Devang Patel
89756fdbfc One instruction may start (or end) multiple lexical scopes. 
There is no need to remember labels identifying regions marked by such instructions in each scope.

llvm-svn: 100781
 2010-04-08 16:50:29 +00:00
Gabor Greif
84d4f4ac57 clean up algorithm and remove operand order assumptions 
llvm-svn: 100780
 2010-04-08 16:46:24 +00:00
Dan Gohman
df4b5c45d5 Fix a comment. 
llvm-svn: 100774
 2010-04-08 15:57:10 +00:00
Devang Patel
3cc4a24666 Remove dead code. 
llvm-svn: 100771
 2010-04-08 15:48:02 +00:00
Devang Patel
b9f9a00513 Delete out of date comment. 
llvm-svn: 100769
 2010-04-08 15:41:13 +00:00
Devang Patel
9ada7b28a2 Refactor. 
llvm-svn: 100768
 2010-04-08 15:37:09 +00:00
Benjamin Kramer
3b7602b1fb Various MSVC warning fixes about truncated 64 bit shifts and const pointers passed to free. 
llvm-svn: 100767
 2010-04-08 15:25:57 +00:00