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32459 Commits

Author SHA1 Message Date
Dan Gohman
e220c4b3d9 Add support for using the FLAGS result of or, xor, and and instructions 
on x86, to avoid explicit test instructions. A few existing tests changed
due to arbitrary register allocation differences.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82263 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 19:59:53 +00:00
Sean Callanan
a2dc2825fc Added RCL and RCR (rotate left and right with a 
carry bit) instructions to the Intel instruction
tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82260 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 19:35:23 +00:00
Devang Patel
e8e0213cc3 Write and read metadata attachments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82259 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 19:26:43 +00:00
Victor Hernandez
88d9839d07 Update malloc call creation code (AllocType is now the element type of the malloc, not the resulting type). 
In getMallocArraySize(), fix bug in the case that array size is the product of 2 constants.

Extend isArrayMalloc() and getMallocArraySize() to handle case where malloc is used as char array.

Ensure that ArraySize in LowerAllocations::runOnBasicBlock() is correct type.

Extend Instruction::isSafeToSpeculativelyExecute() to handle malloc calls.

Add verification for malloc calls.

Reviewed by Dan Gohman.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82257 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 19:20:02 +00:00
Chris Lattner
6ba2e87061 duncan points out the EH selector values are signed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82245 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 18:34:29 +00:00
Chris Lattner
ad2b6fc2b9 This file can need access to the X86 instruction enums when the table exceeds 32-bits. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82235 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 18:08:55 +00:00
Anton Korobeynikov
c6f729ed55 Allow symbols to start from the digit if target requests it. This allows, e.g. pinning 
variables to specified absolute address. Make use of this feature for MSP430.
This unbreaks PR4776.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82227 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 16:57:42 +00:00
Nick Lewycky
7de3bd273e Stop using alloca. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82225 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 16:46:16 +00:00
Evan Cheng
8be58a1186 Revert r82214. It broke 403.gcc on x86_64 / Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82215 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 08:26:06 +00:00
Evan Cheng
f8a56255a5 Fix a bug in sdisel switch lowering code. When it updates the phi nodes in switch successor blocks, it can introduce multiple phi operands of the same value from different blocks (and may not be on the predecessor list). 
This can be seen on CodeGen/Generic/2006-09-06-SwitchLowering.ll. But it's not known to cause any real regression (but I have added an assertion for it now).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82214 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 08:16:04 +00:00
Nick Lewycky
1134dc5cc0 Add newlines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82206 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-18 07:36:47 +00:00
Chris Lattner
3a5815f90f tolerate llvm.eh.selector.i64 on 32-bit systems and llvm.eh.selector.i32 on 
64-bit systems.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82180 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 23:54:54 +00:00
Devang Patel
f633a065de Fix parsing of optional metadata for 'load', 'store' and 'alloc' instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82175 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 23:04:48 +00:00
Chris Lattner
8609c7c931 pass machinemoduleinfo down into getSymbolForDwarfGlobalReference, 
currently unused.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82157 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 18:49:52 +00:00
Dan Gohman
1f96e67f78 Teach ScalarEvolution how to reason about no-wrap flags on loops 
where the induction variable has a non-unit stride, such as {0,+,2}, and
there are expressions such as {1,+,2} inside the loop formed with
or or add nsw operators.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82151 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 18:05:20 +00:00
Jim Grosbach
f9ca50e3dc grammar 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82150 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 17:57:26 +00:00
Benjamin Kramer
d8c8e01fe8 Initialize HasMetadata to zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82145 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 14:51:57 +00:00
Evan Cheng
f436463dbd Remove simple regalloc. It has bit rotted. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82127 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 05:48:07 +00:00
Chris Lattner
d7bd78e36e add a version of the APFloat constructor that initializes to 0.0 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82110 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 01:08:43 +00:00
Evan Cheng
5cf732e3b1 Fix PR4910: Broken logic in coalescer means when a physical register liveness is being shortened, the sub-registers were not. The symptom is the register allocator could not find a free register for this particular test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82108 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 00:57:15 +00:00
Daniel Dunbar
e4a5743d87 Some platforms may need malloc.h for alloca. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82100 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 00:14:44 +00:00
Daniel Dunbar
e443525f35 Update CMake. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82097 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-17 00:06:48 +00:00
Sean Callanan
9a86f10875 Added the LODS (load byte into register, usually 
as part string parsing) instructions to the Intel
instruction tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82089 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 22:59:28 +00:00
Daniel Dunbar
e65512809a Add StringRef::{rfind, rsplit} 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82087 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 22:38:48 +00:00
Sean Callanan
358f1ef765 Added the LAR (load segment access rights) 
instructions to the Intel instruction tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82084 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 21:55:34 +00:00
Sean Callanan
7e6d727c9b Added the LOOP family of instructions to the Intel 
instruction tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82083 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 21:50:07 +00:00
Sean Callanan
d2125a03af Added an alternate form of register-register CMP 
to the Intel instruction tables.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82081 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 21:11:23 +00:00
Devang Patel
713f043c16 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82080 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 21:09:07 +00:00
Devang Patel
123eaa71b5 At iSel time, update DebugLoc based on debug info attached with an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82077 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 20:39:11 +00:00
Dan Gohman
6f65d79750 Add a new pass for doing late hoisting of floating-point and vector 
constants out of loops. These aren't covered by the regular LICM
pass, because in LLVM IR constants don't require separate
instructions. They're not always covered by the MachineLICM pass
either, because it doesn't know how to unfold folded constant-pool
loads. This is somewhat experimental at this point, and off by
default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82076 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 20:25:11 +00:00
Devang Patel
43215788d5 Print debug info attached with an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82075 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 20:21:17 +00:00
Bob Wilson
0696fdf322 Expand vector floating-point conversions not supported by NEON. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82074 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 20:20:44 +00:00
Devang Patel
1b75f44bd9 Provide a way to extract location info from DILocation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82064 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 18:20:05 +00:00
Devang Patel
cea188aa5f Parse debug info attached with an instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82063 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 18:18:06 +00:00
Devang Patel
937b1e92a9 Add llvm::Metadata to manage metadata used in a context. 
This interface will be used to attach metadata with an instruction.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82060 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 18:09:00 +00:00
Kevin Enderby
0d6cd00dbe Fix incorrect assert that should be a user error for code like 'mov $0, %%eax'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82054 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 17:18:29 +00:00
Dan Gohman
9ad29207db Change FoldPHIArgBinOpIntoPHI to decline folding if it would introduce two 
phis, similar to the FoldPHIArgGEPIntoPHI change.

Also, delete some comments that don't reflect the code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82053 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 16:50:24 +00:00
Benjamin Kramer
f4f1b266fd Don't sort the vector when it is empty. This should fix some expensive checking 
failures.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82040 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 11:43:12 +00:00
Andreas Neustifter
9233272679 Reapplied r81355 with the problems fixed. 
(See http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090907/086737.html and
http://lists.cs.uiuc.edu/pipermail/llvm-commits/Week-of-Mon-20090907/086746.html)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82039 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 11:35:50 +00:00
Xerxes Ranby
3314091792 updated lib/CodeGen/CMakeLists.txt to unbreak cmake build after r82018 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82038 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 10:18:36 +00:00
Andreas Neustifter
ad80981a10 Preserve ProfileInfo during CodeGenPrepare. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82034 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 09:26:52 +00:00
Chris Lattner
dc62ea0f1c move FnStubs/GVSTubs/HiddenGVStub handling out of the X86 asmprinter 
and use MachineModuleInfoMachO instead.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82022 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 06:25:03 +00:00
Chris Lattner
29cf5557b2 revert a hunk of r82018 that wasn't supposed to go in yet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82020 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 06:04:53 +00:00
Chris Lattner
686cb3df6a add a new MachineModuleInfoMachO class, which is the per-module 
stuff common across all macho targets.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 06:03:48 +00:00
Chris Lattner
f18545550e the pointer MMI keeps will start out with object-file format specific stuff 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82012 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 05:26:00 +00:00
Chris Lattner
e1e533437a tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82011 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 05:25:43 +00:00
Chris Lattner
a76e3fc131 rearrange X86ATTAsmPrinter::doFinalization, making a scan of 
the global variable list only happen for COFF targets.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82010 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 05:20:33 +00:00
Chris Lattner
4edd187ddd remove the AsmPrinter::printMCInst hook hack now that 
we have MCInstPrinter.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82006 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 04:57:15 +00:00
Shantonu Sen
11189220e6 fix cmake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 04:44:00 +00:00
Nate Begeman
206a357684 Do not try and sink a load whose chain result has more than one use, when 
trying to create RMW opportunities in the x86 backend.  This can cause a 
cycle to appear in the graph, since the other uses may eventually feed into
the TokenFactor we are sinking the load below.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81996 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-09-16 03:20:46 +00:00