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37750 Commits

Author SHA1 Message Date
Chris Lattner 4568ed7893 Implement support for varargs functions without any fixed 
parameters in the CBE by implicitly adding a fixed argument.
This allows eliminating a work-around from DAE.  Patch by
Sylvere Teissier!

llvm-svn: 100944
 2010-04-10 19:12:44 +00:00
Chris Lattner 9ae28b141f fix PR6743, a case where we'd delete an instruction before using it 
in some cases.

llvm-svn: 100937
 2010-04-10 18:26:57 +00:00
Chris Lattner b9801ffcb5 fix PR6760, a missing check in heap SRoA. 
llvm-svn: 100936
 2010-04-10 18:19:22 +00:00
Chris Lattner f60b74806f turn an assert into a proper check, fixing crash on invalid here: 
$ llvm-as t.ll
llvm-as: t.ll:1:6: error: expected 'type' after '='
%0 = = type { i32, float, float, double }
     ^

PR6810.

llvm-svn: 100934
 2010-04-10 18:01:25 +00:00
Chris Lattner 3a747aef96 improve haiku portability, patch by Paul Davey. 
llvm-svn: 100933
 2010-04-10 17:54:51 +00:00
Chris Lattner 2694145e2e add attributes and module level asm to the ocaml bindings, 
patch by Patrick Walton!

llvm-svn: 100932
 2010-04-10 17:52:58 +00:00
Dan Gohman 70e572e740 Fix a typo and some indentation. 
llvm-svn: 100908
 2010-04-09 22:47:25 +00:00
Dan Gohman 607e02b33a 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 67dd3a4464 Tidy whitespace. 
llvm-svn: 100904
 2010-04-09 21:38:26 +00:00
Chris Lattner 74e2ef68b9 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 c86cdc7d47 add minix support, patch by Kees van Reeuwijk! PR6797 
llvm-svn: 100895
 2010-04-09 20:45:04 +00:00
Chris Lattner 5c289f217b clean this up, fix std::min ambiguity on some platforms. 
llvm-svn: 100894
 2010-04-09 20:43:54 +00:00
Wesley Peck a2ca3fa781 Adding IPSCCP and Internalize passes to the C-bindings 
llvm-svn: 100893
 2010-04-09 20:43:20 +00:00
Bob Wilson 0106063556 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
Dan Gohman 3295a6e5bc 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 42ec4eb351 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
Chris Lattner 1ef9826ff8 "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 394b624215 Add a comment. 
llvm-svn: 100874
 2010-04-09 18:20:03 +00:00
Devang Patel 541019ddec Clear InsnsBeginScopeSet and InsnsEndScopeSet at the end of function. 
llvm-svn: 100867
 2010-04-09 16:04:20 +00:00
Gabor Greif ef60190a00 performance: cache result of looking up user 
llvm-svn: 100862
 2010-04-09 15:18:34 +00:00
Dan Gohman 0a8175d1db Minor code simplification. 
llvm-svn: 100859
 2010-04-09 14:53:59 +00:00
Dan Gohman 87f8207c97 Delete this obsolete comment. 
llvm-svn: 100858
 2010-04-09 14:12:01 +00:00
Gabor Greif ce6dd889ec const-ize a predicate 
llvm-svn: 100856
 2010-04-09 10:57:00 +00:00
Chandler Carruth 825989ab63 Add a missing dependency to this library when building with CMake. 
llvm-svn: 100852
 2010-04-09 05:55:25 +00:00
Bob Wilson d8eeb12120 Use getNumImplicitDefs() and getNumImplicitUses(). 
llvm-svn: 100850
 2010-04-09 04:46:43 +00:00
Bob Wilson 406f270148 Fix up some comments. 
llvm-svn: 100849
 2010-04-09 04:34:03 +00:00
Dan Gohman d2df643ddb 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
Dan Gohman 9ba08a4631 Add several more lint checks. 
llvm-svn: 100841
 2010-04-09 01:39:53 +00:00
Dan Gohman ee6451dca1 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
Chris Lattner c6c153be45 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
Dan Gohman 9b5d0bb774 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 7808d490d3 Add a few more lint checks. 
llvm-svn: 100825
 2010-04-08 23:05:57 +00:00
Dan Gohman 4ce1fb1448 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 80c345927e delete a forwarding function. 
llvm-svn: 100815
 2010-04-08 21:34:17 +00:00
Chris Lattner 5418dd5fda 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
Chris Lattner 433d40695b 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 2073112fc0 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 b083c47c21 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 7ffb294c5b Update CMake build. 
llvm-svn: 100802
 2010-04-08 18:52:18 +00:00
Ted Kremenek d87bd77586 Fix -Wsign-compare warning (issued by clang++). 
llvm-svn: 100799
 2010-04-08 18:49:30 +00:00
Dan Gohman 98bc4371c7 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 359b013129 Rename a function. 
llvm-svn: 100797
 2010-04-08 18:43:56 +00:00
Chris Lattner 294a90d87a 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 cb45bd9cb3 Pointers to zero-sized objects don't point to overlapping objects. 
llvm-svn: 100789
 2010-04-08 18:11:50 +00:00
Dan Gohman 386e01e879 Print empty structs as {} rather than { }. 
llvm-svn: 100787
 2010-04-08 18:03:05 +00:00
Devang Patel 3ebd8931fb 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 64d8d1a022 clean up algorithm and remove operand order assumptions 
llvm-svn: 100780
 2010-04-08 16:46:24 +00:00
Dan Gohman bc048307f3 Fix a comment. 
llvm-svn: 100774
 2010-04-08 15:57:10 +00:00
Devang Patel 2abed283e5 Remove dead code. 
llvm-svn: 100771
 2010-04-08 15:48:02 +00:00
Devang Patel adfd4df12c Delete out of date comment. 
llvm-svn: 100769
 2010-04-08 15:41:13 +00:00