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32663 Commits

Author SHA1 Message Date
Bob Wilson
b38401ccef Add codegen support for NEON vld3 intrinsics with 128-bit vectors. 
llvm-svn: 83471
 2009-10-07 17:24:55 +00:00
Bob Wilson
a77f6a7814 Rearrange code for selecting vld2 intrinsics. No functionality change. 
This is just to be more consistent with the forthcoming code for vld3/4.

llvm-svn: 83470
 2009-10-07 17:23:09 +00:00
Jim Grosbach
61c5ce1bde Add register-reuse to frame-index register scavenging. When a target uses 
a virtual register to eliminate a frame index, it can return that register
and the constant stored there to PEI to track. When scavenging to allocate
for those registers, PEI then tracks the last-used register and value, and
if it is still available and matches the value for the next index, reuses
the existing value rather and removes the re-materialization instructions.
Fancier tracking and adjustment of scavenger allocations to keep more
values live for longer is possible, but not yet implemented and would likely
be better done via a different, less special-purpose, approach to the
problem.

eliminateFrameIndex() is modified so the target implementations can return
the registers they wish to be tracked for reuse.

ARM Thumb1 implements and utilizes the new mechanism. All other targets are
simply modified to adjust for the changed eliminateFrameIndex() prototype.

llvm-svn: 83467
 2009-10-07 17:12:56 +00:00
Devang Patel
c411175393 Do not assume that the module is set. 
llvm-svn: 83462
 2009-10-07 16:37:55 +00:00
Torok Edwin
6a66b4edd1 Add PR to this FIXME, looks like I didn't commit this change after all. 
llvm-svn: 83457
 2009-10-07 09:22:55 +00:00
Duncan Sands
27cb155f76 Make getPointerTo return a const PointerType* rather than 
an unqualified PointerType* because it seems more correct.

llvm-svn: 83454
 2009-10-07 07:35:19 +00:00
Eric Christopher
e6bebc66a7 Add FreeInst to the "is a call" check for Insts that are calls, but 
not intrinsics.

llvm-svn: 83441
 2009-10-07 00:54:08 +00:00
Dan Gohman
564b5f75ac Fix this comment. The loop header is the loop entry point. 
llvm-svn: 83437
 2009-10-07 00:33:10 +00:00
Anton Korobeynikov
aba66ae89b Add PseudoSourceValues for constpool stuff on ELF (Darwin should use something similar) 
and register spills.

llvm-svn: 83435
 2009-10-07 00:06:35 +00:00
Eric Christopher
8720c9ca69 While we still have a MallocInst treat it as a call like any other 
for inlining.

When MallocInst goes away this code will be subsumed as part of
calls and work just fine...

llvm-svn: 83434
 2009-10-07 00:02:18 +00:00
Kevin Enderby
2c772c1ae9 Added bits of the ARM target assembler to llvm-mc to parse some load instruction 
operands.  Some parsing of arm memory operands for preindexing and postindexing
forms including with register controled shifts.  This is a work in progress.

llvm-svn: 83424
 2009-10-06 22:26:42 +00:00
Bob Wilson
8cd1ea81c4 Add codegen support for NEON vld2 operations on quad registers. 
llvm-svn: 83422
 2009-10-06 22:01:59 +00:00
Bob Wilson
8c108dc476 Use copyRegToReg hook to copy registers. 
llvm-svn: 83421
 2009-10-06 22:01:15 +00:00
Jeffrey Yasskin
c4f2348fe7 r83391 was completely broken since Twines keep references to their inputs, and 
some of the inputs were temporaries.  Here's a real fix for the miscompilation.
Thanks to sabre for pointing out the problem.

llvm-svn: 83417
 2009-10-06 21:45:26 +00:00
Bob Wilson
21056e1c2e Fix a comment typo. 
Patch by Johnny Chen.

llvm-svn: 83407
 2009-10-06 20:18:46 +00:00
Nicolas Geoffray
bde5513d27 Bugfix for the CommaSeparated option. The original code was adding the whole 
string at the end of the list, instead of the last comma-separated string.

llvm-svn: 83405
 2009-10-06 19:55:53 +00:00
Ted Kremenek
4b5e7b5661 Update CMake file. 
llvm-svn: 83404
 2009-10-06 19:45:38 +00:00
Devang Patel
1639c0e45a Add support to handle debug info attached to an instruction. 
This is not yet enabled.

llvm-svn: 83400
 2009-10-06 18:37:31 +00:00
Dan Gohman
a803c712dd Instead of printing unnecessary basic block labels as labels in 
verbose-asm mode, print comments instead. This eliminates a non-comment
difference between verbose-asm mode and non-verbose-asm mode.

Also, factor out the relevant code out of all the targets and into
target-independent code.

llvm-svn: 83392
 2009-10-06 17:38:38 +00:00
Jeffrey Yasskin
572ef68cf5 Fix PR5112, a miscompilation on gcc-4.0.3. Patch by Collin Winter! 
llvm-svn: 83391
 2009-10-06 17:25:50 +00:00
Chris Lattner
e87add4b88 remove predicate simplifier, it never got the last bugs beaten 
out of it, and jump threading, condprop and gvn are now getting
most of the benefit.  This was approved by Nicholas and Nicolas.

llvm-svn: 83390
 2009-10-06 16:59:46 +00:00
Richard Osborne
90a7ea5c13 Remove xs1b predicate since it is no longer needed to differentiate betweem 
xs1a and xs1b.

llvm-svn: 83383
 2009-10-06 16:17:57 +00:00
Richard Osborne
b692ade672 Remove xs1a subtarget. xs1a is a preproduction device used in 
early development boards which is no longer supported in the
XMOS toolchain.

llvm-svn: 83381
 2009-10-06 16:01:09 +00:00
Richard Osborne
ebd697eca6 Default to the xs1b subtarget 
llvm-svn: 83380
 2009-10-06 15:41:52 +00:00
Duncan Sands
2400ad7236 Introduce and use convenience methods for getting pointer types 
where the element is of a basic builtin type.  For example, to get
an i8* use getInt8PtrTy.

llvm-svn: 83379
 2009-10-06 15:40:36 +00:00
Jim Grosbach
d8a4aaa624 grammar 
llvm-svn: 83378
 2009-10-06 15:03:44 +00:00
Devang Patel
bad114ca60 Fix cut-n-pasto. 
llvm-svn: 83367
 2009-10-06 03:15:38 +00:00
Devang Patel
2fb4294e97 Update processDebugLoc() to handle requests to process debug info, before and after emitting instructions. 
llvm-svn: 83364
 2009-10-06 03:04:58 +00:00
Devang Patel
a8f35ac640 Update processDebugLoc() so that it can be used to process debug info before and after printing an instruction. 
llvm-svn: 83363
 2009-10-06 02:19:11 +00:00
Devang Patel
3200e99109 Remove dead code. 
llvm-svn: 83362
 2009-10-06 02:01:32 +00:00
Devang Patel
0141a90812 Add utility routine to set begin and end labels for DbgScopes. 
This will be used by processDebugLoc().

llvm-svn: 83361
 2009-10-06 01:50:42 +00:00
Devang Patel
2001f5878b Remove unintentional function decl. 
llvm-svn: 83356
 2009-10-06 01:31:35 +00:00
Devang Patel
ac511d1acf Add utility routine to collect variable debug info. This is not yet used. 
llvm-svn: 83355
 2009-10-06 01:26:37 +00:00
Jeffrey Yasskin
4b011e6a51 Fix http://llvm.org/PR5116 by rolling back r60822. This passes `make unittests 
check-lit` on both x86-64 Linux and x86-32 Darwin.

llvm-svn: 83353
 2009-10-06 00:35:55 +00:00
Devang Patel
6a7f2ee022 Set default location for the function if it is not already set. 
This code is not  yet enabled.

llvm-svn: 83349
 2009-10-06 00:09:08 +00:00
Devang Patel
3b3d8a9d09 Existence of a compile unit for input source file is a good indicator to check debug info's presence in a module. 
llvm-svn: 83348
 2009-10-06 00:03:14 +00:00
Devang Patel
f129b0d44f If subprogram die is not available then construct new one. 
This can happen if debug info is processed lazily.

llvm-svn: 83347
 2009-10-05 23:59:00 +00:00
Devang Patel
dff583ac49 Adjust context for the global variables that are not at file scope, e.g. 
void foo() { static int bar = 42; }
Here, foo's DIE is parent of bar's DIE.

llvm-svn: 83344
 2009-10-05 23:40:42 +00:00
Devang Patel
4e9591a170 Set address while constructing DIE. 
llvm-svn: 83343
 2009-10-05 23:22:08 +00:00
Evan Phoenix
1b803795c7 Extend ConstantFolding to understand signed overflow variants 
llvm-svn: 83338
 2009-10-05 22:53:52 +00:00
Jim Grosbach
d6da133b85 In Thumb1, the register scavenger is not always able to use an emergency 
spill slot. When frame references are via the frame pointer, they will be
negative, but Thumb1 load/store instructions only allow positive immediate
offsets. Instead, Thumb1 will spill to R12.

llvm-svn: 83336
 2009-10-05 22:30:23 +00:00
Torok Edwin
1a53fd9356 Don't treat malloc calls with non-matching prototype as malloc. 
Fixes second part of PR5130, miscompilation in FreeBSD kernel, where malloc takes 3 params,
and *does* initialize memory.

llvm-svn: 83324
 2009-10-05 21:15:43 +00:00
Edward O'Callaghan
8b7189e234 No newline at end of files. 
llvm-svn: 83318
 2009-10-05 18:43:19 +00:00
Devang Patel
28b7c6155c Gracefully handle various scopes while recording source line info. 
llvm-svn: 83317
 2009-10-05 18:03:19 +00:00
Dan Gohman
176e47a413 Remove an unnnecessary LLVMContext argument in 
ConstantFoldLoadThroughGEPConstantExpr.

llvm-svn: 83311
 2009-10-05 16:36:26 +00:00
Dan Gohman
a926123a24 Use Use::operator= instead of Use::set, for consistency. 
llvm-svn: 83310
 2009-10-05 16:31:55 +00:00
Dan Gohman
cc0c3fe456 Remove explicit enum integer values. They don't appear to be needed, and 
they make it less convenient to add new entries.

llvm-svn: 83308
 2009-10-05 15:52:08 +00:00
Dan Gohman
b38864fb37 Add RIP to GR64_NOREX. This fixed a MachineVerifier error when RIP 
is used in an operand which requires GR64_NOREX.

llvm-svn: 83307
 2009-10-05 15:42:08 +00:00
Chris Lattner
a3cf123e86 strength reduce a ton of type equality tests to check the typeid (Through 
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.

llvm-svn: 83297
 2009-10-05 05:54:46 +00:00
Chris Lattner
7d19c8841c teach the optimizer how to constant fold uadd/usub intrinsics. 
llvm-svn: 83295
 2009-10-05 05:26:04 +00:00
Chris Lattner
8b72a24a35 simplify this code a bunch. 
llvm-svn: 83294
 2009-10-05 05:06:24 +00:00
Chris Lattner
24a77e2ade code simplifications. 
llvm-svn: 83292
 2009-10-05 05:00:35 +00:00
Chris Lattner
513b66b237 instcombine shouldn't delete all null checks for mallocs. 
This fixes PR5130.

llvm-svn: 83290
 2009-10-05 02:47:47 +00:00
Chris Lattner
2c0a4fb325 stop MachineFunctionPass from claiming that it preserves LoopDependence info, 
which causes dependence info to be linked into lli.

llvm-svn: 83289
 2009-10-05 02:35:05 +00:00
Chris Lattner
1aa661ce46 remove llvm-db: it is completely broken and if anyone wants to do a debugger, 
they should not base it on llvm-db (which not following almost any "best practices").

llvm-svn: 83288
 2009-10-05 02:29:51 +00:00
Owen Anderson
412df08b59 Do away with the strange use of BitVectors in SSI, and just use normal sets. This makes the code much more C++/LLVM-ish. 
llvm-svn: 83286
 2009-10-04 18:49:55 +00:00
Jakob Stoklund Olesen
61a76937ee Whitespace and formatting. 
llvm-svn: 83285
 2009-10-04 18:18:39 +00:00
Owen Anderson
cadab85644 Fix a typo in the comment. 
llvm-svn: 83283
 2009-10-04 17:52:13 +00:00
Owen Anderson
18cecec6a0 SSI needs to require DT and DF transitively, since it uses them outside of its runOnFunction. 
Similarly, it can be marked setPreservesAll, since it does no work in its runOnFunction.

llvm-svn: 83282
 2009-10-04 17:47:39 +00:00
Evan Cheng
eae1bb9779 Allow -inline-threshold override default threshold even if compiling to optimize for size. 
llvm-svn: 83274
 2009-10-04 06:13:54 +00:00
Nick Lewycky
5bf0eb2dd5 Requires element types in a constant initializer to match the element types of 
of the constant. This reverts r6544 and r7428.

llvm-svn: 83270
 2009-10-03 19:30:43 +00:00
Bob Wilson
64ce6ef65a Add a comment to describe letters used in multiclass name suffixes. 
llvm-svn: 83257
 2009-10-03 04:44:16 +00:00
Bob Wilson
be258e083a Fix encoding problem for VMLS instruction. 
Thanks to Johnny Chen for pointing this out!

llvm-svn: 83256
 2009-10-03 04:41:21 +00:00
Lang Hames
40530eacdb Oops. Renamed remaining MachineInstrIndex references. 
llvm-svn: 83255
 2009-10-03 04:31:31 +00:00
Lang Hames
f6903a7043 Renamed MachineInstrIndex to LiveIndex. 
llvm-svn: 83254
 2009-10-03 04:21:37 +00:00
Benjamin Kramer
8cebbc5761 MingW build fixes 
- MingW needs -lpsapi (in ${LIBS}) linked after -lLLVMSystem.
  Noticed by Ronald Pijnacker!

- Some parts of the System library must be build with exceptions on windows.
  Based on a patch by Jay Foad!

llvm-svn: 83251
 2009-10-02 19:36:31 +00:00
Benjamin Kramer
aa33886dd7 Fix a use-after-free in post-ra-scheduling. 
MI->addOperand invalidates references to it's operands, avoid touching
the operand after a new one was added.

llvm-svn: 83249
 2009-10-02 15:59:52 +00:00
Evan Cheng
8cf9f56cca getFunctionAlignment should return log2 alignment. 
llvm-svn: 83242
 2009-10-02 06:57:25 +00:00
Evan Cheng
5b9107c1b9 Forgot about ARM::tPUSH. It also has a new writeback operand. 
llvm-svn: 83237
 2009-10-02 05:03:07 +00:00
Evan Cheng
d6e64a4cfd Move load / store multiple before post-alloc scheduling. 
llvm-svn: 83236
 2009-10-02 04:57:15 +00:00
David Goodwin
cb4a66977c All callee-saved registers are live-out of a return block. 
llvm-svn: 83223
 2009-10-01 23:28:47 +00:00
David Goodwin
a4b73e486e Remove neonfp attribute and instead set default based on CPU string. Add -arm-use-neon-fp to override the default. 
llvm-svn: 83218
 2009-10-01 22:19:57 +00:00
Mike Stump
532ed49e39 Expand api out in the usual inserter way, though, I do have a 
question, can we get rid of the BasicBlock versions of all inserters
and use Head == 0 to indicate the old case when GetInsertBlock == 0?

llvm-svn: 83216
 2009-10-01 22:08:58 +00:00
David Goodwin
d0edce4c0d Restore the -post-RA-scheduler flag as an override for the target specification. Remove -mattr for setting PostRAScheduler enable and instead use CPU string. 
llvm-svn: 83215
 2009-10-01 21:46:35 +00:00
Evan Cheng
272a738580 ARM::tPOP and tPOP_RET each has an extra writeback operand now. 
llvm-svn: 83214
 2009-10-01 20:54:53 +00:00
Devang Patel
7aa19711f8 Add support to extract lexical scope information from DebugLoc attached with an machine instruction. 
This is not yet enabled.

llvm-svn: 83210
 2009-10-01 20:31:14 +00:00
David Goodwin
0a7770b3e0 Use MachineFrameInfo.getPristineRegs() to determine which callee-saved registers are available for anti-dependency breaking. Some cleanup. 
llvm-svn: 83208
 2009-10-01 19:45:32 +00:00
Devang Patel
7b4ba71afa Record first and last instruction of a scope in DbgScope. 
llvm-svn: 83207
 2009-10-01 18:25:23 +00:00
Evan Cheng
68d79a17a0 Observe hasExtraSrcRegAllocReq and hasExtraDefRegAllocReq. Do not change 
operands of instructions with these properties while breaking anti-dep.

llvm-svn: 83198
 2009-10-01 08:26:23 +00:00
Evan Cheng
241092d89f Add hasExtraSrcRegAllocReq and hasExtraDefRegAllocReq flags to ld / st multiple, 
ld / st pairs, etc.

llvm-svn: 83197
 2009-10-01 08:22:27 +00:00
Douglas Gregor
b4e6fce681 Remove GVNPRE.cpp from the CMake makefile 
llvm-svn: 83194
 2009-10-01 05:30:05 +00:00
Chris Lattner
857ed445a8 remove the GVNPRE pass. It has been subsumed by the GVN pass. 
Ok'd by Owen.

llvm-svn: 83193
 2009-10-01 02:18:36 +00:00
Evan Cheng
dc5ac208bf Update ARM JIT emitter to account for ld/st multiple changes. 
llvm-svn: 83192
 2009-10-01 01:39:21 +00:00
Evan Cheng
4dd7d7156e Change ld/st multiples to explicitly model the writeback to base register. This fixes most of the -ldstopti-before-sched2 regressions. 
llvm-svn: 83191
 2009-10-01 01:33:39 +00:00
Devang Patel
4f1147e386 Add another MDNode into DebugLocTuple. This will be used to keep track of inlined functions. 
llvm-svn: 83190
 2009-10-01 01:15:28 +00:00
Devang Patel
d24ba7a101 If location info is attached with an instruction then keep track of alloca slots used by a variable. This info will be used by AsmPrinter to emit debug info for variables. 
llvm-svn: 83189
 2009-10-01 01:03:26 +00:00
Devang Patel
e097bf49d0 Use MachineInstr as an processDebugLoc() argument. 
This will allow processDebugLoc() to handle scopes for DWARF debug info. 

llvm-svn: 83183
 2009-09-30 23:12:50 +00:00
Devang Patel
044648c2d7 Use MDNode * directly as an RecordSourceLine() argument. 
llvm-svn: 83182
 2009-09-30 22:51:28 +00:00
Devang Patel
ef84ca6011 Remove dead code. 
llvm-svn: 83181
 2009-09-30 22:43:52 +00:00
Devang Patel
cb516787d0 Add isFOO() helpers. Fix getDirectory() and getFilename() for DIScope. 
llvm-svn: 83180
 2009-09-30 22:34:41 +00:00
Bob Wilson
d6896006b1 Use OutStreamer.SwitchSection instead of writing out textual section directives. 
Add a new TargetLoweringObjectFileMachO::getConstTextCoalSection method to
get access to that section.

llvm-svn: 83178
 2009-09-30 22:25:37 +00:00
Bob Wilson
1cf44c8225 Add a new virtual EmitStartOfAsmFile method to the AsmPrinter and use this 
to emit target-specific things at the beginning of the asm output.  This
fixes a problem for PPC, where the text sections are not being kept together
as expected.  The base class doInitialization code calls DW->BeginModule()
which emits a bunch of DWARF section directives.  The PPC doInitialization
code then emits all the TEXT section directives, with the intention that they
will be kept together. But as I understand it, the Darwin assembler treats
the default TEXT section as a special case and moves it to the beginning of
the file, which means that all those DWARF sections are in the middle of
the text.  With this change, the EmitStartOfAsmFile hook is called before
the DWARF section directives are emitted, so that all the PPC text section
directives come out right at the beginning of the file.

llvm-svn: 83176
 2009-09-30 22:06:26 +00:00
Bob Wilson
59eb323058 Fix a comment typo. 
llvm-svn: 83174
 2009-09-30 21:44:42 +00:00
Devang Patel
43ce9e3e75 Check for null MDNode element while printing comment. 
llvm-svn: 83172
 2009-09-30 21:26:51 +00:00
Bob Wilson
44b5a5a58c Fix a comment. 
llvm-svn: 83171
 2009-09-30 21:26:13 +00:00
Bob Wilson
233aa46c87 The AsmPrinter base class contains a DwarfWriter member, so there's no need 
for derived AsmPrinters to add another one.  In some cases, fixing this
removes the need to override the doInitialization method.

llvm-svn: 83170
 2009-09-30 21:24:45 +00:00
Jeffrey Yasskin
2d4f3f6704 Assert that ConstantArrays are created with correctly-typed elements. 
llvm-svn: 83168
 2009-09-30 21:08:08 +00:00
Dan Gohman
2ecc146f0c Fix this code so that it doesn't try to iterate through a std::vector 
while calling changeImmediateDominator, which removes elements from the
vector. This fixes PR5097.

llvm-svn: 83166
 2009-09-30 20:54:16 +00:00
Reid Kleckner
4c0732ea64 Silence comparison always false warning in -Asserts mode. 
llvm-svn: 83164
 2009-09-30 20:43:07 +00:00
Jim Grosbach
b4fdc9252d Add additional assert() to verify no extraneous use of a scavenged register. 
llvm-svn: 83163
 2009-09-30 20:35:36 +00:00