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32808 Commits

Author SHA1 Message Date
Dan Gohman
59ac57153b Mark the LDR instruction with isReMaterializable, as it is rematerializable 
when loading from an invariant memory location.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83688 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 23:28:27 +00:00
Dan Gohman
a70dca156f Factor out LiveIntervalAnalysis' code to determine whether an instruction 
is trivially rematerializable and integrate it into
TargetInstrInfo::isTriviallyReMaterializable. This way, all places that
need to know whether an instruction is rematerializable will get the
same answer.

This enables the useful parts of the aggressive-remat option by
default -- using AliasAnalysis to determine whether a memory location
is invariant, and removes the questionable parts -- rematting operations
with virtual register inputs that may not be live everywhere.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83687 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 23:27:56 +00:00
Devang Patel
ac1ceb3dd3 Extract scope information from the variable itself, instead of relying on alloca or llvm.dbg.declare location. 
While recording beginning of a function, use scope info from the first location entry instead of just relying on first location entry itself.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83684 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 22:42:28 +00:00
Jeffrey Yasskin
c89d27a440 ExecutionEngine::clearGlobalMappingsFromModule failed to remove reverse 
mappings, which could cause errors and assert-failures.  This patch fixes that,
adds a test, and refactors the global-mapping-removal code into a single place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83678 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 22:10:27 +00:00
Dan Gohman
769b7f8953 Add a const qualifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83677 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 22:09:05 +00:00
Dale Johannesen
bdb984bc27 Use names instead of numbers for some of the magic 
constants used in inlining heuristics (especially
those used in more than one file).  No functional change.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83675 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 21:42:02 +00:00
Kevin Enderby
d7894f105a Added another bit of the ARM target assembler to llvm-mc to parse register 
lists.  Changed ARMAsmParser::MatchRegisterName to return -1 instead of 0 on
errors so 0-15 values could be returned as register numbers.  Also added the
rest of the arm register names to the currently hacked up version to allow more
testing.  Some changes to ARMAsmParser::ParseOperand to give different errors
for things not yet supported and some additions to the hacked
ARMAsmParser::MatchInstruction to allow more testing for now.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83673 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 21:12:28 +00:00
Dan Gohman
599a87aca0 isTriviallyReMaterializable checks the 
TargetInstrDesc::isRematerializable flag, so it isn't necessary to do
this check in its callers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83671 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 21:02:10 +00:00
Dan Gohman
11596ed43c Fix the x86 test-shrink optimization so that it doesn't shrink comparisons 
when one of the bits being tested would end up being the sign bit in the
narrower type, and a signed comparison is being performed, since this would
change the result of the signed comparison. This fixes PR5132.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83670 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 20:35:19 +00:00
Dan Gohman
91e69c3715 Add basic infrastructure and x86 support for preserving MachineMemOperand 
information when unfolding memory references.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83656 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 18:10:05 +00:00
Devang Patel
c525472828 Check invalid debug info for enums. This may happen when underlyng enum is optimized away. Eventually DwarfChecker will clean this up during llvm verification stage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83655 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 17:51:49 +00:00
Jim Grosbach
71c8dc9b20 when previous scratch register is killed, flag the value as no longer tracking 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83653 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 17:33:33 +00:00
Dan Gohman
7a721956f8 Revert r83606 and add comments explaining why it isn't safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83649 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 16:35:06 +00:00
Evan Cheng
64efb555ce Give Dan and my recent changes, machine LICM is now code size neutral. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83624 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 06:31:25 +00:00
Evan Cheng
3dc326ba83 Fix a logic error that caused non-rematable loop invariants loads to be licm'ed out of loop. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83622 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 06:21:52 +00:00
Evan Cheng
35ca9203f2 Reset kill markers after live interval is reconstructed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83608 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 01:17:11 +00:00
Dan Gohman
4db3581a28 Preserve HasNSW and HasNUW when constructing SCEVs for Add and Mul 
instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83606 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 00:41:22 +00:00
Dale Johannesen
e91b9a3b59 When considering whether to inline Callee into Caller, 
and that will make Caller too big to inline, see if it
might be better to inline Caller into its callers instead.
This situation is described in PR 2973, although I haven't
tried the specific case in SPASS.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83602 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 00:11:32 +00:00
Dan Gohman
3645b01002 Add the ability to track HasNSW and HasNUW on more kinds of SCEV expressions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83601 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 00:10:36 +00:00
Bob Wilson
5631139a69 Add codegen support for NEON vst4lane intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83600 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-09 00:01:36 +00:00
Bob Wilson
8cdb269686 Add codegen support for NEON vst3lane intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83598 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 23:51:31 +00:00
Bob Wilson
c5c6edb74f Add codegen support for NEON vst2lane intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83596 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 23:38:24 +00:00
Bob Wilson
62e053e5a1 Add codegen support for NEON vld4lane intrinsics with 128-bit vectors. 
Also fix some copy-and-paste errors in previous changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83590 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 22:53:57 +00:00
Evan Cheng
9c8068078b Remove code that makes no sense. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83589 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 22:42:35 +00:00
Bob Wilson
0bf7d998b4 Add codegen support for NEON vld3lane intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83585 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 22:27:33 +00:00
Douglas Gregor
c6f520be0d Update CMake build yet again after a source file was removed 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83575 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 21:24:34 +00:00
Bill Wendling
26c6cf4cec It's possible for a global variable to be optimized out of a metadata object. So 
we should allow a "null" with this dyn_cast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83573 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 20:52:51 +00:00
Anton Korobeynikov
632606c724 Use lower16 / upper16 imm modifiers to asmprint 32-bit imms splitted via movt/movw pair. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83572 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 20:43:22 +00:00
Devang Patel
85d29e2de3 Clear variable debug info map at the end of the function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83571 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 20:41:17 +00:00
Bob Wilson
30aea9d96e Add codegen support for NEON vld2lane intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83568 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 18:56:10 +00:00
Bob Wilson
cd7e327cdf Clean up some unnecessary initializations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83566 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 18:52:56 +00:00
Bob Wilson
af4a891273 Clean up a comment (indentation was wrong). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83565 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 18:51:31 +00:00
Bob Wilson
5fcbf0d26e Add a SelectionDAG getTargetInsertSubreg convenience function, 
similar to getTargetExtractSubreg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83564 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 18:49:46 +00:00
Devang Patel
eda312193d Do not record line number to implicitly mark start of function if function has arguments. Extra line number entries trip gdb in some cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83563 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 18:48:03 +00:00
Richard Osborne
bfa19bf4c2 Add missing names for the XCore specific LADD and LSUB nodes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83556 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 17:14:57 +00:00
Dan Gohman
8a261e44f7 Add a form of addPreserved which takes a string argument, to allow passes 
to declare that they preserve other passes without needing to pull in
additional header file or library dependencies. Convert MachineFunctionPass
and CodeGenLICM to make use of this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83555 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 17:00:02 +00:00
Richard Osborne
c96c8e0e81 Add some peepholes for signed comparisons using ashr X, X, 32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83549 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 15:38:17 +00:00
Chris Lattner
8ef27511e3 remove LoopVR pass. According to Nick: 
"LoopVR's logic was copied into ScalarEvolution::getUnsignedRange and 
::getSignedRange. Please delete LoopVR."



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83531 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 06:42:44 +00:00
Bob Wilson
deb3141cf5 Add codegen support for NEON vst4 intrinsics with <1 x i64> vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83526 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 05:18:18 +00:00
Jim Grosbach
1f30dcbd8d Cleanup up unused R3LiveIn tracking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83522 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 01:50:26 +00:00
Jim Grosbach
65c58daa8b Re-enable register scavenging in Thumb1 by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83521 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 01:46:59 +00:00
Jim Grosbach
e40bf5f9f4 bugfix. The target may use virtual registers that aren't tracked for re-use but are allocated by the scavenger. The re-use algorithm needs to watch for that. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83519 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 01:09:45 +00:00
Bob Wilson
5adf60c03b Add codegen support for NEON vst3 intrinsics with <1 x i64> vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83518 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 00:28:28 +00:00
Bob Wilson
24e04c535f Add codegen support for NEON vst2 intrinsics with <1 x i64> vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83513 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 00:21:01 +00:00
Jeffrey Yasskin
4306963170 In instcombine's debug output, avoid printing ADD for instructions that are 
already on the worklist, and print Visited when an instruction is about to be
visited.  Net, on one input, this reduced the output size by at least 9x.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83510 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-08 00:12:24 +00:00
Bob Wilson
0ea38bb939 Add codegen support for NEON vld4 intrinsics with <1 x i64> vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83508 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 23:54:04 +00:00
Bob Wilson
c67160c010 Add codegen support for NEON vld3 intrinsics with <1 x i64> vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83506 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 23:39:57 +00:00
Bob Wilson
a4288080e6 Add codegen support for NEON vld2 intrinsics with <1 x i64> vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83502 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:57:01 +00:00
Jim Grosbach
9f3a559dff reverting thumb1 scavenging default due to test failure while I figure out what's up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83501 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:49:41 +00:00
Chris Lattner
831a2bba04 second half of lazy liveness removal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83500 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:49:30 +00:00
Dale Johannesen
5f3663e51d Fix handling of x86 'R' constraint. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83499 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:47:20 +00:00
Jim Grosbach
bafa3d9f6a Enable thumb1 register scavenging by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:26:31 +00:00
Jim Grosbach
ec1434dd89 Enable thumb1 register scavenging by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83494 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:26:14 +00:00
Devang Patel
beab41b874 Extract subprogram and compile unit information from the debug info attached to an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83491 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 22:04:08 +00:00
Bob Wilson
b07c171624 Add some instruction encoding bits for NEON load/store instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83490 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 21:53:04 +00:00
Eric Christopher
37c8b86d43 80-column and whitespace fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83489 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 21:14:25 +00:00
Kevin Enderby
5440f6309d Fixed MCSectionMachO::ParseSectionSpecifier to allow an attribute of "none" so 
that a symbol stub section with no attributes can be parsed as in:
.section __TEXT,__picsymbolstub4,symbol_stubs,none,16


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83488 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 20:57:20 +00:00
Bob Wilson
63c9063434 Add codegen support for NEON vst4 intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83486 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 20:49:18 +00:00
Bob Wilson
66a70639da Add codegen support for NEON vst3 intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83484 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 20:30:08 +00:00
Jim Grosbach
b8452b80f4 grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83483 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 19:08:36 +00:00
Bob Wilson
d285575f87 Add codegen support for NEON vst2 intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83482 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 18:47:39 +00:00
Jim Grosbach
391e1704c2 add initializers for clarity. Add missing assignment of PrevLastUseOp. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83481 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 18:44:24 +00:00
Owen Anderson
c024df648e Remove LazyLiveness from the tree. It doesn't work right now, and I'm not going to have the time 
to finish it any time soon.  If someone's interested it, they can resurrect it from SVN history.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 18:40:17 +00:00
Bob Wilson
7708c22baa Add codegen support for NEON vld4 intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83479 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 18:09:32 +00:00
Kevin Enderby
99e6d4e839 Add another bit of the ARM target assembler to llvm-mc to parse registers 
with writeback, things like "sp!", etc.  Also added some more stuff to the
temporarily hacked methods ARMAsmParser::MatchRegisterName and
ARMAsmParser::MatchInstruction to allow more parser testing.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83477 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 18:01:35 +00:00
Dan Gohman
2627e08e05 Replace some code for aggressive-remat with MachineInstr::isInvariantLoad, and 
teach it how to recognize invariant physical registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 17:47:20 +00:00
Dan Gohman
e33f44cfc5 Replace TargetInstrInfo::isInvariantLoad and its target-specific 
implementations with a new MachineInstr::isInvariantLoad, which uses
MachineMemOperands and is target-independent. This brings MachineLICM
and other functionality to targets which previously lacked an
isInvariantLoad implementation.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83475 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 17:38:06 +00:00
Dan Gohman
2dbc4c84f6 Add a few simple MachineVerifier checks for MachineMemOperands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83474 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 17:36:00 +00:00
Bob Wilson
ff8952e8a9 Add codegen support for NEON vld3 intrinsics with 128-bit vectors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83471 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 17:24:55 +00:00
Bob Wilson
228c08b8dd Rearrange code for selecting vld2 intrinsics. No functionality change. 
This is just to be more consistent with the forthcoming code for vld3/4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83470 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 17:23:09 +00:00
Jim Grosbach
b58f498f75 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83467 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 17:12:56 +00:00
Devang Patel
7f93f4d66c Do not assume that the module is set. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83462 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 16:37:55 +00:00
Torok Edwin
4de86fe0d7 Add PR to this FIXME, looks like I didn't commit this change after all. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83457 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 09:22:55 +00:00
Duncan Sands
83ed76869e Make getPointerTo return a const PointerType* rather than 
an unqualified PointerType* because it seems more correct.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 07:35:19 +00:00
Eric Christopher
00d67db384 Add FreeInst to the "is a call" check for Insts that are calls, but 
not intrinsics.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83441 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 00:54:08 +00:00
Dan Gohman
bd31b173d2 Fix this comment. The loop header is the loop entry point. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 00:33:10 +00:00
Anton Korobeynikov
249fb339ad Add PseudoSourceValues for constpool stuff on ELF (Darwin should use something similar) 
and register spills.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83435 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 00:06:35 +00:00
Eric Christopher
0704300d88 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...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83434 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-07 00:02:18 +00:00
Kevin Enderby
a7ba3a81c0 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83424 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 22:26:42 +00:00
Bob Wilson
3bf12ab860 Add codegen support for NEON vld2 operations on quad registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83422 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 22:01:59 +00:00
Bob Wilson
349d82d400 Use copyRegToReg hook to copy registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83421 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 22:01:15 +00:00
Jeffrey Yasskin
0b22873adc 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83417 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 21:45:26 +00:00
Bob Wilson
a3e8bf8412 Fix a comment typo. 
Patch by Johnny Chen.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83407 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 20:18:46 +00:00
Nicolas Geoffray
35b305863a 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83405 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 19:55:53 +00:00
Ted Kremenek
3351085d84 Update CMake file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83404 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 19:45:38 +00:00
Devang Patel
60b35bd8ec Add support to handle debug info attached to an instruction. 
This is not yet enabled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83400 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 18:37:31 +00:00
Dan Gohman
e3cc3f3c84 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83392 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 17:38:38 +00:00
Jeffrey Yasskin
6cf4963cdc Fix PR5112, a miscompilation on gcc-4.0.3. Patch by Collin Winter! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83391 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 17:25:50 +00:00
Chris Lattner
7963e15951 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83390 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 16:59:46 +00:00
Richard Osborne
f9416ea0cd Remove xs1b predicate since it is no longer needed to differentiate betweem 
xs1a and xs1b.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 16:17:57 +00:00
Richard Osborne
34bee6da7a Remove xs1a subtarget. xs1a is a preproduction device used in 
early development boards which is no longer supported in the
XMOS toolchain.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83381 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 16:01:09 +00:00
Richard Osborne
acfbb92824 Default to the xs1b subtarget 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83380 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 15:41:52 +00:00
Duncan Sands
ac53a0b272 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 15:40:36 +00:00
Jim Grosbach
6e214805b1 grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83378 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 15:03:44 +00:00
Devang Patel
8a4087ddc7 Fix cut-n-pasto. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83367 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 03:15:38 +00:00
Devang Patel
02c04237d0 Update processDebugLoc() to handle requests to process debug info, before and after emitting instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83364 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 03:04:58 +00:00
Devang Patel
af0e272683 Update processDebugLoc() so that it can be used to process debug info before and after printing an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 02:19:11 +00:00
Devang Patel
89703cf838 Remove dead code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 02:01:32 +00:00
Devang Patel
0d20ac8d17 Add utility routine to set begin and end labels for DbgScopes. 
This will be used by processDebugLoc().


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83361 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 01:50:42 +00:00
Devang Patel
b39566d719 Remove unintentional function decl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83356 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-06 01:31:35 +00:00