oota-llvm.git
14 years agoiterate over preds using PHI information when available instead of
Chris Lattner [Sat, 13 Feb 2010 04:15:26 +0000 (04:15 +0000)]
iterate over preds using PHI information when available instead of
using pred_begin/end.  It is much faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96079 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agospeed up CGP a bit by scanning predecessors through phi operands
Chris Lattner [Sat, 13 Feb 2010 04:04:42 +0000 (04:04 +0000)]
speed up CGP a bit by scanning predecessors through phi operands
instead of with pred_begin/end.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96078 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd encoder support and tests for rdtscp
Chris Lattner [Sat, 13 Feb 2010 03:42:24 +0000 (03:42 +0000)]
add encoder support and tests for rdtscp

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96076 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd SETEND and BXJ instructions for disassembly only.
Johnny Chen [Sat, 13 Feb 2010 02:51:09 +0000 (02:51 +0000)]
Add SETEND and BXJ instructions for disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96075 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded the rdtscp instruction to the x86 instruction
Sean Callanan [Sat, 13 Feb 2010 02:06:11 +0000 (02:06 +0000)]
Added the rdtscp instruction to the x86 instruction
tables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96073 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix PR6283.
Jakob Stoklund Olesen [Sat, 13 Feb 2010 02:06:10 +0000 (02:06 +0000)]
Fix PR6283.

When coalescing with a physreg, remember to add imp-def and imp-kill when
dealing with sub-registers.

Also fix a related bug in VirtRegRewriter where substitutePhysReg may
reallocate the operand list on an instruction and invalidate the reg_iterator.
This can happen when a register is mentioned twice on the same instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96072 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix a pruning heuristic which implicitly assumed that SmallPtrSet is
Dan Gohman [Sat, 13 Feb 2010 02:06:02 +0000 (02:06 +0000)]
Fix a pruning heuristic which implicitly assumed that SmallPtrSet is
deterministically sorted.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96071 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTeach MachineFrameInfo to track maximum alignment while stack objects are being
Evan Cheng [Sat, 13 Feb 2010 01:56:41 +0000 (01:56 +0000)]
Teach MachineFrameInfo to track maximum alignment while stack objects are being
created. This ensures it's updated at all time. It means targets which perform
dynamic stack alignment would know whether it is required and whether frame
pointer register cannot be made available register allocation.
This is a fix for rdar://7625239. Sorry, I can't create a reasonably sized test
case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96069 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoEnable the inlinehint attribute in the Inliner.
Jakob Stoklund Olesen [Sat, 13 Feb 2010 01:51:53 +0000 (01:51 +0000)]
Enable the inlinehint attribute in the Inliner.

Functions explicitly marked inline will get an inlining threshold slightly
more aggressive than the default for -O3. This means than -O3 builds are
mostly unaffected while -Os builds will be a bit bigger and faster.

The difference depends entirely on how many 'inline's are sprinkled on the
source.

In the CINT2006 suite, only these tests are significantly affected under -Os:

               Size   Time
471.omnetpp   +1.63% -1.85%
473.astar     +4.01% -6.02%
483.xalancbmk +4.60%  0.00%

Note that 483.xalancbmk runs too quickly to give useful timing results.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96066 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFixed encodings for invlpg, invept, and invvpid.
Sean Callanan [Sat, 13 Feb 2010 01:48:34 +0000 (01:48 +0000)]
Fixed encodings for invlpg, invept, and invvpid.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96065 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMC/AsmParser: Attempt to constant fold expressions up-front. This ensures we avoid...
Daniel Dunbar [Sat, 13 Feb 2010 01:28:07 +0000 (01:28 +0000)]
MC/AsmParser: Attempt to constant fold expressions up-front. This ensures we avoid fixups for obvious cases like '-(16)'.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96064 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded a bunch of saturating add/subtract instructions for disassembly only.
Johnny Chen [Sat, 13 Feb 2010 01:21:01 +0000 (01:21 +0000)]
Added a bunch of saturating add/subtract instructions for disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96063 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agorip out the 'heinous' x86 MCCodeEmitter implementation.
Chris Lattner [Sat, 13 Feb 2010 00:49:29 +0000 (00:49 +0000)]
rip out the 'heinous' x86 MCCodeEmitter implementation.
We still have the templated X86 JIT emitter, *and* the
almost-copy in X86InstrInfo for getting instruction sizes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96059 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoremove special cases for vmlaunch, vmresume, vmxoff, and swapgs
Chris Lattner [Sat, 13 Feb 2010 00:41:14 +0000 (00:41 +0000)]
remove special cases for vmlaunch, vmresume, vmxoff, and swapgs
fix swapgs to be spelled right.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96058 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoBesides removing phi cycles that reduce to a single value, also remove dead
Bob Wilson [Sat, 13 Feb 2010 00:31:44 +0000 (00:31 +0000)]
Besides removing phi cycles that reduce to a single value, also remove dead
phi cycles.  Adjust a few tests to keep dead instructions from being optimized
away.  This (together with my previous change for phi cycles) fixes Apple
radar 7627077.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96057 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoOverride dominates and properlyDominates for SCEVAddRecExpr, as a
Dan Gohman [Sat, 13 Feb 2010 00:19:39 +0000 (00:19 +0000)]
Override dominates and properlyDominates for SCEVAddRecExpr, as a
SCEVAddRecExpr doesn't necessarily dominate blocks merely dominated
by all of its operands. This fixes an abort compiling 403.gcc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96056 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMC/X86: Push immediate operands as immediates not expressions when possible.
Daniel Dunbar [Sat, 13 Feb 2010 00:17:21 +0000 (00:17 +0000)]
MC/X86: Push immediate operands as immediates not expressions when possible.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96055 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMake PassRegistrar thread-safe since it can be modified by code running in
Jeffrey Yasskin [Sat, 13 Feb 2010 00:03:17 +0000 (00:03 +0000)]
Make PassRegistrar thread-safe since it can be modified by code running in
separate LLVMContexts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96051 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRemove special cases for [LM]FENCE, MONITOR and MWAIT from
Chris Lattner [Fri, 12 Feb 2010 23:54:57 +0000 (23:54 +0000)]
Remove special cases for [LM]FENCE, MONITOR and MWAIT from
encoder and decoder by using new MRM_ forms.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96048 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd some disassemble testcases for weird instructions
Chris Lattner [Fri, 12 Feb 2010 23:46:48 +0000 (23:46 +0000)]
add some disassemble testcases for weird instructions

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96045 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReworked the Intel disassembler to support instructions
Sean Callanan [Fri, 12 Feb 2010 23:39:46 +0000 (23:39 +0000)]
Reworked the Intel disassembler to support instructions
whose opcodes extend into the ModR/M field using the
Form field of the instruction rather than by special
casing each instruction.  Commented out the special
casing of VMCALL, which is the first instruction to use
this special form.  While I was in the neighborhood,
added a few comments for people modifying the Intel
disassembler.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96043 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoimplement the rest of correct x86-64 encoder support for
Chris Lattner [Fri, 12 Feb 2010 23:24:09 +0000 (23:24 +0000)]
implement the rest of correct x86-64 encoder support for
rip-relative addresses, and add a testcase.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96040 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd the problem I just hacked around in 96015/96020.
Dale Johannesen [Fri, 12 Feb 2010 23:16:24 +0000 (23:16 +0000)]
Add the problem I just hacked around in 96015/96020.
The solution there produces correct code, but is seriously
deficient in several ways.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96039 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agogive MCCodeEmitters access to the current MCContext.
Chris Lattner [Fri, 12 Feb 2010 23:12:47 +0000 (23:12 +0000)]
give MCCodeEmitters access to the current MCContext.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96038 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMake JIT::runFunction clean up the generated stub function.
Jeffrey Yasskin [Fri, 12 Feb 2010 23:05:31 +0000 (23:05 +0000)]
Make JIT::runFunction clean up the generated stub function.

Patch by Shivram K!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96037 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoimplement infrastructure to support fixups for rip-rel
Chris Lattner [Fri, 12 Feb 2010 23:00:36 +0000 (23:00 +0000)]
implement infrastructure to support fixups for rip-rel
addressing.  This isn't complete because I need an MCContext
to generate new MCExprs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96036 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd YIELD, WFE, WFI, and SEV instructions for disassembly only.
Johnny Chen [Fri, 12 Feb 2010 22:53:19 +0000 (22:53 +0000)]
Add YIELD, WFE, WFI, and SEV instructions for disassembly only.
Plus add two formats: MiscFrm and ThumbMiscFrm.  Some of the for disassembly
only instructions are changed from Pseudo Format to MiscFrm Format.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96032 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agopull the rip-relative addressing mode case up early.
Chris Lattner [Fri, 12 Feb 2010 22:47:55 +0000 (22:47 +0000)]
pull the rip-relative addressing mode case up early.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96031 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofixme resolved!
Chris Lattner [Fri, 12 Feb 2010 22:39:06 +0000 (22:39 +0000)]
fixme resolved!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96029 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agostart producing reloc_pcrel_4byte/reloc_pcrel_1byte for calls.
Chris Lattner [Fri, 12 Feb 2010 22:36:47 +0000 (22:36 +0000)]
start producing reloc_pcrel_4byte/reloc_pcrel_1byte for calls.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96028 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix a comment typo.
Bob Wilson [Fri, 12 Feb 2010 22:34:54 +0000 (22:34 +0000)]
Fix a comment typo.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96027 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoenhance the immediate field encoding to know whether the immediate
Chris Lattner [Fri, 12 Feb 2010 22:27:07 +0000 (22:27 +0000)]
enhance the immediate field encoding to know whether the immediate
is pc relative or not, mark call and branches as pcrel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96026 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoLoad / store multiple instructions cannot load / store sp. Sorry, can't come up with...
Evan Cheng [Fri, 12 Feb 2010 22:17:21 +0000 (22:17 +0000)]
Load / store multiple instructions cannot load / store sp. Sorry, can't come up with a reasonable test case.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96023 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoThis should have gone in with 26015, see comments there.
Dale Johannesen [Fri, 12 Feb 2010 22:00:40 +0000 (22:00 +0000)]
This should have gone in with 26015, see comments there.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96020 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd halfword multiply accumulate long SMLALBB/BT/TB/TT for disassembly only.
Johnny Chen [Fri, 12 Feb 2010 21:59:23 +0000 (21:59 +0000)]
Add halfword multiply accumulate long SMLALBB/BT/TB/TT for disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96019 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agodoxygenize some comments, patch by Peter Collingbourne!
Chris Lattner [Fri, 12 Feb 2010 21:54:28 +0000 (21:54 +0000)]
doxygenize some comments, patch by Peter Collingbourne!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96018 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoWhen save/restoring CR at prolog/epilog, in a large
Dale Johannesen [Fri, 12 Feb 2010 21:35:34 +0000 (21:35 +0000)]
When save/restoring CR at prolog/epilog, in a large
stack frame, the prolog/epilog code was using the same
register for the copy of CR and the address of the save slot.  Oops.
This is fixed here for Darwin, sort of, by reserving R2 for this case.
A better way would be to do the store before the decrement of SP,
which is safe on Darwin due to the red zone.

SVR4 probably has the same problem, but I don't know how to fix it;
there is no red zone and R2 is already used for something else.
I'm going to leave it to someone interested in that target.

Better still would be to rewrite the CR-saving code completely;
spilling each CR subregister individually is horrible code.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96015 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd support for a union type in LLVM IR. Patch by Talin!
Chris Lattner [Fri, 12 Feb 2010 20:49:41 +0000 (20:49 +0000)]
Add support for a union type in LLVM IR.  Patch by Talin!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96011 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd SWP (Swap) and SWPB (Swap Byte) for disassembly only.
Johnny Chen [Fri, 12 Feb 2010 20:48:24 +0000 (20:48 +0000)]
Add SWP (Swap) and SWPB (Swap Byte) for disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96010 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAlso recognize armv6t2-* and armv5te-* triplets.
Evan Cheng [Fri, 12 Feb 2010 20:39:35 +0000 (20:39 +0000)]
Also recognize armv6t2-* and armv5te-* triplets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96008 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix a case of mismatched types in an Add that turned up in 447.dealII.
Dan Gohman [Fri, 12 Feb 2010 20:39:25 +0000 (20:39 +0000)]
Fix a case of mismatched types in an Add that turned up in 447.dealII.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96007 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd ARM bitcode file magic.
Evan Cheng [Fri, 12 Feb 2010 20:13:44 +0000 (20:13 +0000)]
Add ARM bitcode file magic.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96006 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReapply 95979, a compile-time speedup, now that the bug it exposed is fixed.
Dan Gohman [Fri, 12 Feb 2010 19:35:25 +0000 (19:35 +0000)]
Reapply 95979, a compile-time speedup, now that the bug it exposed is fixed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96005 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoFix this code to avoid dereferencing an end() iterator in
Dan Gohman [Fri, 12 Feb 2010 19:20:37 +0000 (19:20 +0000)]
Fix this code to avoid dereferencing an end() iterator in
offset distributions it doesn't expect.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96002 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd CPS, MRS, MRSsys, MSR, MSRsys for disassembly only.
Johnny Chen [Fri, 12 Feb 2010 18:55:33 +0000 (18:55 +0000)]
Add CPS, MRS, MRSsys, MSR, MSRsys for disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95999 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRewrite handling of DBG_VALUE; previous algorithm
Dale Johannesen [Fri, 12 Feb 2010 18:40:17 +0000 (18:40 +0000)]
Rewrite handling of DBG_VALUE; previous algorithm
didn't handle
X =
Y<dead> = use X
DBG_VALUE(X)
I was hoping to avoid this approach as it's slower,
but I don't think it can be done.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95996 91177308-0d34-0410-b5e6-96231b3b80d8

14 years ago1. modernize the constantmerge pass, using densemap/smallvector.
Chris Lattner [Fri, 12 Feb 2010 18:17:23 +0000 (18:17 +0000)]
1. modernize the constantmerge pass, using densemap/smallvector.
2. don't bother trying to merge globals in non-default sections,
   doing so is quite dubious at best anyway.
3. fix a bug reported by Arnaud de Grandmaison where we'd try to
   merge two globals in different address spaces.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95995 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agorename test
Chris Lattner [Fri, 12 Feb 2010 18:05:00 +0000 (18:05 +0000)]
rename test

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95993 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert "Reverse the order for collecting the parts of an addrec. The order", it
Daniel Dunbar [Fri, 12 Feb 2010 17:27:08 +0000 (17:27 +0000)]
Revert "Reverse the order for collecting the parts of an addrec. The order", it
is breaking llvm-gcc bootstrap.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95988 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTestcases for recent stdcall / fastcall mangling improvements
Anton Korobeynikov [Fri, 12 Feb 2010 15:29:13 +0000 (15:29 +0000)]
Testcases for recent stdcall / fastcall mangling improvements

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95982 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoSetup correct data layout to match gcc's expectations on mingw32.
Anton Korobeynikov [Fri, 12 Feb 2010 15:28:56 +0000 (15:28 +0000)]
Setup correct data layout to match gcc's expectations on mingw32.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95981 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoCleanup stdcall / fastcall name mangling.
Anton Korobeynikov [Fri, 12 Feb 2010 15:28:40 +0000 (15:28 +0000)]
Cleanup stdcall / fastcall name mangling.
This should fix alot of problems we saw so far, e.g. PRs 5851 & 2936

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95980 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReverse the order for collecting the parts of an addrec. The order
Dan Gohman [Fri, 12 Feb 2010 11:08:26 +0000 (11:08 +0000)]
Reverse the order for collecting the parts of an addrec. The order
doesn't matter, except that ScalarEvolution tends to need less time
to fold the results this way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95979 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReapply the new LoopStrengthReduction code, with compile time and
Dan Gohman [Fri, 12 Feb 2010 10:34:29 +0000 (10:34 +0000)]
Reapply the new LoopStrengthReduction code, with compile time and
bug fixes, and with improved heuristics for analyzing foreign-loop
addrecs.

This change also flattens IVUsers, eliminating the stride-oriented
groupings, which makes it easier to work with.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95975 91177308-0d34-0410-b5e6-96231b3b80d8

14 years ago* Updated the cost matrix normalization proceedure to better handle infinite costs.
Lang Hames [Fri, 12 Feb 2010 09:43:37 +0000 (09:43 +0000)]
* Updated the cost matrix normalization proceedure to better handle infinite costs.
* Enabled R1/R2 application for nodes with infinite spill costs in the Briggs heuristic (made
safe by the changes to the normalization proceedure).
* Removed a redundant header.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95973 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUpdate test to match 95961.
Evan Cheng [Fri, 12 Feb 2010 07:48:46 +0000 (07:48 +0000)]
Update test to match 95961.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95971 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTest for 95961.
Evan Cheng [Fri, 12 Feb 2010 02:35:03 +0000 (02:35 +0000)]
Test for 95961.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95962 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd a bunch of mod/rm encoding types for fixed mod/rm bytes.
Chris Lattner [Fri, 12 Feb 2010 02:06:33 +0000 (02:06 +0000)]
add a bunch of mod/rm encoding types for fixed mod/rm bytes.
This will work better for the disassembler for modeling things
like lfence/monitor/vmcall etc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95960 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoTest case for 95958.
Evan Cheng [Fri, 12 Feb 2010 02:02:23 +0000 (02:02 +0000)]
Test case for 95958.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95959 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agorevert r95949, it turns out that adding new prefixes is not a
Chris Lattner [Fri, 12 Feb 2010 01:55:31 +0000 (01:55 +0000)]
revert r95949, it turns out that adding new prefixes is not a
great solution for the disassembler, we'll go with "plan b".

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95957 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMC: Fix bug where trailing tied operands were forgotten; the X86 assembler
Daniel Dunbar [Fri, 12 Feb 2010 01:46:54 +0000 (01:46 +0000)]
MC: Fix bug where trailing tied operands were forgotten; the X86 assembler
matcher is now free of implicit operands!
 - Still need to clean up the code now that we don't to worry about implicit
   operands, and to make it a hard error if an instruction fails to specify all
   of its operands for some reason.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95956 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded coprocessor Instructions CDP, CDP2, MCR, MCR2, MRC, MRC2, MCRR, MCRR2,
Johnny Chen [Fri, 12 Feb 2010 01:44:23 +0000 (01:44 +0000)]
Added coprocessor Instructions CDP, CDP2, MCR, MCR2, MRC, MRC2, MCRR, MCRR2,
MRRC, MRRc2.  For disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95955 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd a new pass on machine instructions to optimize away PHI cycles that
Bob Wilson [Fri, 12 Feb 2010 01:30:21 +0000 (01:30 +0000)]
Add a new pass on machine instructions to optimize away PHI cycles that
reduce down to a single value.  InstCombine already does this transformation
but DAG legalization may introduce new opportunities.  This has turned out to
be important for ARM where 64-bit values are split up during type legalization:
InstCombine is not able to remove the PHI cycles on the 64-bit values but
the separate 32-bit values can be optimized.  I measured the compile time
impact of this (running llc on 176.gcc) and it was not significant.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95951 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoX86: Fix definition for RCL/RCR.*m? operations -- they were getting represented
Daniel Dunbar [Fri, 12 Feb 2010 01:22:03 +0000 (01:22 +0000)]
X86: Fix definition for RCL/RCR.*m? operations -- they were getting represented
with "tied memory operands", which is wrong.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95950 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd another bit of space for new kinds of instruction prefixes.
Chris Lattner [Fri, 12 Feb 2010 01:15:16 +0000 (01:15 +0000)]
add another bit of space for new kinds of instruction prefixes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95949 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd a missing pattern for movhps so that we get:
Nate Begeman [Fri, 12 Feb 2010 01:10:45 +0000 (01:10 +0000)]
Add a missing pattern for movhps so that we get:

movq (%ecx,%edx,2), %xmm2
movhps (%ecx,%eax,2), %xmm2

rather than:

movq     (%eax, %edx, 2), %xmm2
movq     (%eax, %ebx, 2), %xmm3
movlhps  %xmm3, %xmm2

Testcase forthcoming.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95948 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix the encodings of monitor and mwait, which were completely
Chris Lattner [Fri, 12 Feb 2010 01:06:22 +0000 (01:06 +0000)]
fix the encodings of monitor and mwait, which were completely
busted in both encoders.  I'm not bothering to fix it in the
old one at this point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95947 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoimprove support for minix, PR6280, patch by
Chris Lattner [Fri, 12 Feb 2010 00:37:46 +0000 (00:37 +0000)]
improve support for minix, PR6280, patch by
Kees van Reeuwijk!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95946 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd a new function attribute, 'alignstack'. It will indicate (when the backends
Charles Davis [Fri, 12 Feb 2010 00:31:15 +0000 (00:31 +0000)]
Add a new function attribute, 'alignstack'. It will indicate (when the backends
implement support for it) that the stack should be forcibly realigned in the
prologue (and the process reversed in the epilogue).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95945 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoReapply coalescer fix for better cross-class coalescing.
Jakob Stoklund Olesen [Thu, 11 Feb 2010 23:55:29 +0000 (23:55 +0000)]
Reapply coalescer fix for better cross-class coalescing.

This time with fixed test cases.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95938 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoenhance llvm-mc -show-inst to print the enum of an instruction, like so:
Chris Lattner [Thu, 11 Feb 2010 22:57:32 +0000 (22:57 +0000)]
enhance llvm-mc -show-inst to print the enum of an instruction, like so:

testb %al, %al                ## <MCInst #2412 TEST8rr
                                        ##   <MCOperand Reg:2>
                                        ##   <MCOperand Reg:2>>
jne LBB1_7                  ## <MCInst #938 JNE_1
                                        ##   <MCOperand Expr:(LBB1_7)>>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95935 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoadd a new MCInstPrinter::getOpcodeName interface, when it is
Chris Lattner [Thu, 11 Feb 2010 22:39:10 +0000 (22:39 +0000)]
add a new MCInstPrinter::getOpcodeName interface, when it is
implemented, llvm-mc --show-inst now uses it to print the
instruction opcode as well as the number.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95929 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDocument binutils requirements for coff targets (cygwin / mingw32).
Anton Korobeynikov [Thu, 11 Feb 2010 21:51:51 +0000 (21:51 +0000)]
Document binutils requirements for coff targets (cygwin / mingw32).

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95928 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoimprove encoding information for branches. We now know they have
Chris Lattner [Thu, 11 Feb 2010 21:45:31 +0000 (21:45 +0000)]
improve encoding information for branches.  We now know they have
8 or 32-bit immediates, which allows the new encoder to handle
them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95927 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMC: Move assembler-backend's fixup list into the fragment.
Daniel Dunbar [Thu, 11 Feb 2010 21:29:46 +0000 (21:29 +0000)]
MC: Move assembler-backend's fixup list into the fragment.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95926 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMC: Move MCSectionData::Fixup out to MCAsmFixup.
Daniel Dunbar [Thu, 11 Feb 2010 21:29:29 +0000 (21:29 +0000)]
MC: Move MCSectionData::Fixup out to MCAsmFixup.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95925 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agomake getFixupKindInfo return a const reference, allowing
Chris Lattner [Thu, 11 Feb 2010 21:27:18 +0000 (21:27 +0000)]
make getFixupKindInfo return a const reference, allowing
the tables to be const.  Teach MCCodeEmitter to handle
the target-indep kinds so that we don't crash on them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95924 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoRevert functional change. This broke a bunch of tests.
Jakob Stoklund Olesen [Thu, 11 Feb 2010 21:19:44 +0000 (21:19 +0000)]
Revert functional change. This broke a bunch of tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95921 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoswitch to target-indep fixups for 1/2/4/8 byte data.
Chris Lattner [Thu, 11 Feb 2010 21:17:54 +0000 (21:17 +0000)]
switch to target-indep fixups for 1/2/4/8 byte data.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95920 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agorevert 95903.
Devang Patel [Thu, 11 Feb 2010 20:58:56 +0000 (20:58 +0000)]
revert 95903.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95918 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoIt is always good to do a cross-class join when the large register has a tiny interval.
Jakob Stoklund Olesen [Thu, 11 Feb 2010 20:58:45 +0000 (20:58 +0000)]
It is always good to do a cross-class join when the large register has a tiny interval.

Also avoid division by zero.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95917 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded LDRT/LDRBT/STRT/STRBT for disassembly only.
Johnny Chen [Thu, 11 Feb 2010 20:31:08 +0000 (20:31 +0000)]
Added LDRT/LDRBT/STRT/STRBT for disassembly only.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95916 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agounbreak the build.
Chris Lattner [Thu, 11 Feb 2010 19:52:11 +0000 (19:52 +0000)]
unbreak the build.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95915 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agollvm-db was removed.
Dan Gohman [Thu, 11 Feb 2010 19:35:26 +0000 (19:35 +0000)]
llvm-db was removed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95904 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDestroy MDNodes while destructing llvm context.
Devang Patel [Thu, 11 Feb 2010 19:35:10 +0000 (19:35 +0000)]
Destroy MDNodes while destructing llvm context.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95903 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agorefactor x86 conditional branches to use a multipattern
Chris Lattner [Thu, 11 Feb 2010 19:31:22 +0000 (19:31 +0000)]
refactor x86 conditional branches to use a multipattern
that generates the 1-byte and 4-byte immediate versions
from one definition.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95902 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agorefactor the conditional jump instructions in the .td file to
Chris Lattner [Thu, 11 Feb 2010 19:25:55 +0000 (19:25 +0000)]
refactor the conditional jump instructions in the .td file to
use a multipattern that generates both the 1-byte and 4-byte
versions from the same defm

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95901 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMake Kaleidoscope not link against the interpreter, since that didn't
Jeffrey Yasskin [Thu, 11 Feb 2010 19:15:20 +0000 (19:15 +0000)]
Make Kaleidoscope not link against the interpreter, since that didn't
work anyway (Interpreter::getPointerToFunction doesn't return a
callable pointer), and improve the error message when an
ExecutionEngine can't be created.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95896 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd an svn:ignore.
Dan Gohman [Thu, 11 Feb 2010 19:07:04 +0000 (19:07 +0000)]
Add an svn:ignore.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95895 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoForgot to also check in this file for vcvt (floating-point <-> fixed-point, VFP).
Johnny Chen [Thu, 11 Feb 2010 18:47:03 +0000 (18:47 +0000)]
Forgot to also check in this file for vcvt (floating-point <-> fixed-point, VFP).
Sorry!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95892 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAllow for more than one DBG_VALUE targeting the
Dale Johannesen [Thu, 11 Feb 2010 18:23:23 +0000 (18:23 +0000)]
Allow for more than one DBG_VALUE targeting the
same dead instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95890 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoDon't allow DBG_VALUE to affect codegen.
Dale Johannesen [Thu, 11 Feb 2010 18:22:31 +0000 (18:22 +0000)]
Don't allow DBG_VALUE to affect codegen.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95889 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded VCVT (between floating-point and fixed-point, VFP) for disassembly.
Johnny Chen [Thu, 11 Feb 2010 18:17:16 +0000 (18:17 +0000)]
Added VCVT (between floating-point and fixed-point, VFP) for disassembly.
A8.6.297

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95885 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdded BKPT/tBKPT (breakpoint) to the instruction table for disassembly purpose.
Johnny Chen [Thu, 11 Feb 2010 18:12:29 +0000 (18:12 +0000)]
Added BKPT/tBKPT (breakpoint) to the instruction table for disassembly purpose.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95884 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse array_pod_sort instead of std::sort for improved code size.
Jakob Stoklund Olesen [Thu, 11 Feb 2010 18:06:56 +0000 (18:06 +0000)]
Use array_pod_sort instead of std::sort for improved code size.

Use SmallVector instead of std::vector for better speed when indirectbr has
few successors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95879 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoMake sure that ConstantExpr offsets also aren't off of extern
Eric Christopher [Thu, 11 Feb 2010 17:44:04 +0000 (17:44 +0000)]
Make sure that ConstantExpr offsets also aren't off of extern
symbols.

Thanks to Duncan Sands for the testcase!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95877 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoAdd pseudo instruction TRAP for disassembly, which is encoded according to A5-21
Johnny Chen [Thu, 11 Feb 2010 17:14:31 +0000 (17:14 +0000)]
Add pseudo instruction TRAP for disassembly, which is encoded according to A5-21
as the "Permanently UNDEFINED" instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95873 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agoUse .empty() instead of .size().
Bill Wendling [Thu, 11 Feb 2010 10:37:57 +0000 (10:37 +0000)]
Use .empty() instead of .size().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95871 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agodont' call getX86RegNum on X86::RIP, it doesn't like that. This
Chris Lattner [Thu, 11 Feb 2010 08:45:56 +0000 (08:45 +0000)]
dont' call getX86RegNum on X86::RIP, it doesn't like that.  This
fixes the remaining x86-64 jit failures afaik.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95867 91177308-0d34-0410-b5e6-96231b3b80d8

14 years agofix a really nasty bug I introduced in r95693: r12 (and r12d,
Chris Lattner [Thu, 11 Feb 2010 08:41:21 +0000 (08:41 +0000)]
fix a really nasty bug I introduced in r95693: r12 (and r12d,
r12b, etc) also encodes to a R/M value of 4, which is just
as illegal as ESP/RSP for the non-sib version an address.

This fixes x86-64 jit miscompilations of a bunch of programs.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95866 91177308-0d34-0410-b5e6-96231b3b80d8