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11687 Commits

Author SHA1 Message Date
Dan Gohman
25305cd2d1 Fix a #include. 
llvm-svn: 100980
 2010-04-11 19:27:52 +00:00
Dan Gohman
9ca5efece4 Rename isLoopGuardedByCond to isLoopEntryGuardedByCond, to emphasise 
that it's only testing for the entry condition, not full loop-invariant
conditions.

llvm-svn: 100979
 2010-04-11 19:27:13 +00:00
Benjamin Kramer
adc8df5270 utostr isn't going away too soon, try to make it slightly smaller. 
llvm-svn: 100977
 2010-04-11 19:00:03 +00:00
Chris Lattner
caf521c6b4 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
Wesley Peck
6a6f1a5afa Adding IPSCCP and Internalize passes to the C-bindings 
llvm-svn: 100893
 2010-04-09 20:43:20 +00:00
Ted Kremenek
90babe9f35 Move 'Optional' class from Clang to LLVM/ADT. 
llvm-svn: 100889
 2010-04-09 20:25:54 +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
Dan Gohman
6798e98b41 Don't use reserved identifiers. 
llvm-svn: 100838
 2010-04-09 01:19:28 +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
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
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
Dan Gohman
95038973ce Fix a comment. 
llvm-svn: 100783
 2010-04-08 17:41:04 +00:00
Benjamin Kramer
63b5d569d1 Provide operator delete for BumpPtrAllocator and RecyclingAllocator. They will 
never be called but msvc complains that they're missing.

llvm-svn: 100766
 2010-04-08 15:22:35 +00:00
Evan Cheng
3fa0b6fb03 Avoid using f64 to lower memcpy from constant string. It's cheaper to use i32 store of immediates. 
llvm-svn: 100751
 2010-04-08 07:37:57 +00:00
Sean Callanan
dcd7a375dd Added support for ARM disassembly to edis. 
I also added a rule to the ARM target's Makefile to
build the ARM-specific instruction information table
for the enhanced disassembler.

I will add the test harness for all this stuff in
a separate commit.

llvm-svn: 100735
 2010-04-08 00:48:21 +00:00
Evan Cheng
176d2886e8 Fix typo. 
llvm-svn: 100726
 2010-04-07 23:51:38 +00:00
Chris Lattner
393ea6fc22 introduce a new recoverable error handling API to LLVMContext 
and use it in one place in inline asm handling stuff.  Before
we'd generate this for an invalid modifier letter:

$ clang asm.c -c -o t.o
fatal error: error in backend: Invalid operand found in inline asm: 'abc incl    ${0:Z}'
INLINEASM <es:abc incl    ${0:Z}>, 10, %EAX<def>, 2147483657, %EAX, 14, %EFLAGS<earlyclobber,def,dead>, <!-1>


Now we generate this:

$ clang asm.c -c -o t.o
error: invalid operand in inline asm: 'incl    ${0:Z}'
asm.c:3:12: note: generated from here
  __asm__ ("incl    %Z0" : "+r" (X));
           ^
1 error generated.

This is much better but still admittedly not great ("why" is the operand 
invalid??), codegen should try harder with its diagnostics :)

llvm-svn: 100723
 2010-04-07 23:40:44 +00:00
Chris Lattner
ea8b374616 rename llvm_install_error_handler -> install_fatal_error_handler 
and friends.

llvm-svn: 100717
 2010-04-07 23:12:29 +00:00
Eric Christopher
70a6c8fd6d Add support for stpncpy_chk. 
llvm-svn: 100710
 2010-04-07 23:00:07 +00:00
Chris Lattner
80b41881bc rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00
Chris Lattner
0768c834fe remove some unneeded errorhandling stuff. 
llvm-svn: 100703
 2010-04-07 22:44:07 +00:00
Chris Lattner
f927d33d8c minor tidying up 
llvm-svn: 100702
 2010-04-07 22:41:29 +00:00
Dan Gohman
b5210c934f Generalize IVUsers to track arbitrary expressions rather than expressions 
explicitly split into stride-and-offset pairs. Also, add the
ability to track multiple post-increment loops on the same expression.

This refines the concept of "normalizing" SCEV expressions used for
to post-increment uses, and introduces a dedicated utility routine for
normalizing and denormalizing expressions.

This fixes the expansion of expressions which are post-increment users
of more than one loop at a time. More broadly, this takes LSR another
step closer to being able to reason about more than one loop at a time.

llvm-svn: 100699
 2010-04-07 22:27:08 +00:00
Anton Korobeynikov
e5c1563130 Remove late ARM codegen optimization pass committed by accident. 
It is not ready for public yet.

llvm-svn: 100673
 2010-04-07 18:23:27 +00:00
Anton Korobeynikov
0401f43ddc Since tblgen bug was fixed (thanks Jakob!) we don't need InstrStage2 hack anymore. 
llvm-svn: 100667
 2010-04-07 18:21:41 +00:00
Anton Korobeynikov
b68aa8b5ab Make use of new reserved/required scheduling stuff: introduce VFP and NEON locks to model domain cross stalls precisly. 
llvm-svn: 100646
 2010-04-07 18:19:40 +00:00
Anton Korobeynikov
f93145e685 Initial support for different kinds of FU reservation. 
llvm-svn: 100645
 2010-04-07 18:19:32 +00:00
Anton Korobeynikov
d873a16430 Add hook to insert late LLVM=>LLVM passes just before isel 
llvm-svn: 100640
 2010-04-07 18:18:42 +00:00
Chris Lattner
dde7376e9d Three changes: 
1. Introduce some enums and accessors in the InlineAsm class
   that eliminate a ton of magic numbers when handling inline
   asm SDNode.
2. Add a new MDNodeSDNode selection dag node type that holds
   a MDNode (shocking!)
3. Add a new argument to ISD::INLINEASM nodes that hold !srcloc
   metadata, propagating it to the instruction emitter, which
   drops it.

No functionality change.

llvm-svn: 100605
 2010-04-07 05:20:54 +00:00
Evan Cheng
ac90d47ea3 Post regalloc LICM. Work in progress. 
llvm-svn: 100592
 2010-04-07 00:41:17 +00:00
Bill Wendling
c1bbfced8f Make this hack more specific to the Apple gcc 4.2 non-LLVM compiler. 
llvm-svn: 100556
 2010-04-06 20:07:21 +00:00
Chris Lattner
81177fa767 this accessor doesn't need to copy the string. 
llvm-svn: 100542
 2010-04-06 18:37:22 +00:00
Chris Lattner
c83a42075b enhance SMDiagnostic to also maintain a pointer to the SourceMgr. 
Add a simplified constructor for clients that don't have locations
like "file not found" errors.

llvm-svn: 100538
 2010-04-06 18:06:18 +00:00
Jakob Stoklund Olesen
37cb8c0742 Avoid overflowing a signed integer which triggers undefined behaviour. 
Overflowing an unsigned integer is fine and behaves as you would expect.
Also fix a pasto, allowing SignExtend64 to take a 64-bit argument.

llvm-svn: 100517
 2010-04-06 03:12:43 +00:00
Chris Lattner
960095d2c8 propagate cookie management out one layer of function calls. 
llvm-svn: 100510
 2010-04-06 00:58:50 +00:00
Chris Lattner
8c1f45d90b Give MachineModuleInfo an actual Module*. 
llvm-svn: 100508
 2010-04-06 00:51:52 +00:00
Chris Lattner
b7a7cb37b6 give LLVMContext an inline asm diagnostic hook member. 
llvm-svn: 100506
 2010-04-06 00:44:45 +00:00
Chris Lattner
48d30a3011 give the SourceMgr object a cookie. 
llvm-svn: 100504
 2010-04-06 00:33:43 +00:00
Chris Lattner
117d05ca0e Give llvm::SourceMgr the ability to have a client-specified 
diagnostic handler.

llvm-svn: 100503
 2010-04-06 00:26:48 +00:00
Douglas Gregor
41de3d792a Remove MaybeOwningPtr. We're going to use reference-counting instead. 
llvm-svn: 100499
 2010-04-05 23:53:46 +00:00
Chris Lattner
f753452587 Give AsmParser an option to control whether it finalizes 
the stream.  New demo:

$ clang asm.c -S -o - -emit-llvm | llc -filetype=obj -o t.o
$ otool -tv t.o
t.o:
(__TEXT,__text) section
_foo:
0000000000000000	subq	$0x08,%rsp
0000000000000004	movl	%edi,(%rsp)
0000000000000007	movl	%edi,%eax
0000000000000009	incl	%eax
000000000000000b	movl	%eax,(%rsp)
000000000000000e	movl	%eax,0x04(%rsp)
0000000000000012	addq	$0x08,%rsp
0000000000000016	ret

llvm-svn: 100492
 2010-04-05 23:15:42 +00:00
Chris Lattner
c1d1549692 add a comment. 
llvm-svn: 100490
 2010-04-05 23:07:42 +00:00
Chris Lattner
269737461d stringref-ize the MemoryBuffer::get apis. This requires 
a co-committed clang patch.

llvm-svn: 100485
 2010-04-05 22:42:30 +00:00
Douglas Gregor
394c3bc02e Introduce MaybeOwningPtr, a smart pointer that may (or may not) have 
ownership over the pointer it contains. Useful when we want to
communicate ownership while still having several clients holding on to
the same pointer *without* introducing reference counting.

llvm-svn: 100463
 2010-04-05 21:09:22 +00:00
Dan Gohman
fab42b8e7b Add an isReachableFromEntry to MachineDominators, following the one 
in Dominators.

llvm-svn: 100454
 2010-04-05 19:16:38 +00:00
Chris Lattner
1f68705ad9 trim some prototypes. 
llvm-svn: 100420
 2010-04-05 06:21:01 +00:00