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25158 Commits

Author SHA1 Message Date
Chris Lattner
2f63ca3fa8 fix a bug where the bswap matcher could match a case involving 
ashr.  It should only apply to lshr.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57089 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-05 00:50:57 +00:00
Chris Lattner
31d7161206 wrap some long lines and expand i32 mul's to libcalls, inspired by a 
patch by Mikael Lepisto!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57077 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 21:27:46 +00:00
Oscar Fuentes
80533040bc CMake: Reflected changes on source file structure. New plugin support 
for llvmc2 incomplete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57076 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 21:18:50 +00:00
Duncan Sands
c82b6a1ed2 Ignore loads from and stores to local memory (i.e. allocas) 
when deciding whether to mark a function readnone/readonly.
Since the pass is currently run before SROA, this may be
quite helpful.  Requested by Chris on IRC.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57050 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 13:24:24 +00:00
Nick Lewycky
26e4b216c0 Allow the construction of SCEVs with SCEVCouldNotCompute operands, by 
implementing folding. Fixes PR2857.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57049 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 11:19:07 +00:00
Anton Korobeynikov
c4e8bec703 Revert r56675 - it breaks unwinding runtime everywhere. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57048 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 11:09:36 +00:00
Argyrios Kyrtzidis
c8a07733d3 Add implementations for sys::Memory::setWritable and sys::Memory::setExecutable on Win32 platform. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57047 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 08:15:32 +00:00
Argyrios Kyrtzidis
0304b87cce Fix compilation error on MSVC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57046 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 08:11:49 +00:00
Dan Gohman
241f464d24 Fix fast-isel's handling of atomic instructions. They may 
expand to multiple basic blocks, in which case fast-isel
needs to informed of which block to use as it resumes
inserting instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57040 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 00:56:36 +00:00
Dan Gohman
022b21ff7c Fix a bug in the local allocator's liveness computation where it 
was setting kill flags on tied uses in two-address instructions.
The kill flags were causing the allocator to think it could
allocate the use and its tied def in different registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57039 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-04 00:31:14 +00:00
Dale Johannesen
880ae364ba Make atomic Swap work, 64-bit on x86-32. 
Make it all work in non-pic mode.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57034 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 22:25:52 +00:00
Dan Gohman
792e1e92c7 Clean up some multiple-return-value code that is no longer 
applicable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57033 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 22:21:24 +00:00
Devang Patel
3afba0ae41 Fix function attribute verification check. 
Thanks Duncan!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57029 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 21:11:02 +00:00
Dale Johannesen
1b54c7fe9b Pass MemOperand through for 64-bit atomics on 32-bit, 
incidentally making the case where the memop is a
pointer deref work.  Fix cmp-and-swap regression.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57027 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 19:41:08 +00:00
Devang Patel
20da1f07da Nick Lewycky's patch. 
While hosting instruction check PHI node.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57025 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 18:57:37 +00:00
Dan Gohman
ca0a5d9356 Use -1ULL instead of uint64_t(-1), at Anton's suggestion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57021 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 17:56:45 +00:00
Devang Patel
6d1b8a5911 Verify function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57020 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 17:50:00 +00:00
Evan Cheng
17a82eaeb6 Fix typos pointed out by Duncan. Also untabify these files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57018 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 17:11:58 +00:00
Daniel Dunbar
489032a2b7 Unbreak build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57017 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 17:11:57 +00:00
Dan Gohman
da8ac5fd91 Avoid creating two TargetLowering objects for each target. 
Instead, just create one, and make sure everything that needs
it can access it. Previously most of the SelectionDAGISel
subclasses all had their own TargetLowering object, which was
redundant with the TargetLowering object in the TargetMachine
subclasses, except on Sparc, where SparcTargetMachine
didn't have a TargetLowering object. Change Sparc to work
more like the other targets here.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57016 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 16:55:19 +00:00
Dan Gohman
38217fef57 Remove an unused field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57014 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 16:17:33 +00:00
Jim Grosbach
cce6c297c5 On Darwin ARM, memory needs special handling to do JIT. This patch expands 
this handling to work properly for modifying stub functions, relocations
back to entry points after JIT compilation, etc..


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57013 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 16:17:20 +00:00
Jim Grosbach
48b828fdb4 Indexing off by one resulted in errant encoding of source register for 
reg->reg moves.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57011 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:53:56 +00:00
Jim Grosbach
016d34cc4c NeedStub/DoesntNeedStub logic was reversed, leading to not using a stub 
for global relocations that do need them (libc calls, for example).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57010 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:52:42 +00:00
Nuno Lopes
191dfb96de regenerate 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57009 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:52:39 +00:00
Nuno Lopes
aa1aee3e95 fix more memleaks in ResolveTypeTo() and ParseGlobalVariable() 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57008 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:51:46 +00:00
Nuno Lopes
9e9631dae9 regenerate with bison 2.3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57007 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:45:58 +00:00
Dan Gohman
d735b8019b Switch the MachineOperand accessors back to the short names like 
isReg, etc., from isRegister, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57006 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:45:36 +00:00
Nuno Lopes
06a62886fb fix memleak in FunctionHeaderH 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@57005 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 15:44:21 +00:00
Duncan Sands
e47561ccff The result of getSetCCResultType (eg: i32) may be larger 
than the type an i1 is promoted to (eg: i8).  Account
for this.  Noticed by Tilmann Scheller on CellSPU; he
will hopefully take care of fixing this in LegalizeDAG
and adding a testcase!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56997 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 07:41:46 +00:00
Duncan Sands
a2582da44d Teach internalize to preserve the callgraph. 
Why?  Because it was there!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56996 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 07:36:09 +00:00
Nicolas Geoffray
dcb31e1790 Acquire the lock only when necessary. More precisely, do not acquire 
the lock when calling a method which may materialize the llvm::Function.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56995 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 07:27:08 +00:00
Owen Anderson
a90793b431 SplitBlock should only attempt to update LoopInfo if it is actually being used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56994 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 06:55:35 +00:00
Dan Gohman
91b6f97ce4 Implement fast-isel support for zero-extending from i1. 
It turns out that this is a fairly common operation,
and it's easy enough to handle.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56990 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 01:28:47 +00:00
Dan Gohman
4e6ed5eefd Fix X86FastISel to handle dynamic allocas that have avoided 
getting inserted into the ValueMap. This avoids infinite
recursion in some rare cases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56989 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-03 01:27:49 +00:00
Dan Gohman
d98d6203e4 Optimize conditional branches in X86FastISel. This replaces 
sequences like this:
       sete    %al
       testb   %al, %al
       jne     LBB11_1
with this:
       je      LBB11_1


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56969 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 22:15:21 +00:00
Dan Gohman
6ade6f55a8 Add a new MachineBasicBlock utility function, isLayoutSuccessor, that 
can be used when deciding if a block can transfer control to another
via a fall-through instead of a branch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56968 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 22:09:09 +00:00
Andrew Lenharth
88ab90b475 fix build gcc 4.3 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56965 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 20:15:08 +00:00
Owen Anderson
8481ee7f52 Use a multimap rather than a map for holding the list of copies to insert, so we don't lose copies when two of them have 
the same source.  I don't know what I was thinking when I wrote this originally.
Note: There's probably a more efficient way to do this, but I need to think about it some more, and about what determinism
guarantees need to be present.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56964 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 19:40:33 +00:00
Dale Johannesen
48c1bc2ace Handle some 64-bit atomics on x86-32, some of the time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56963 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 18:53:47 +00:00
Devang Patel
8cedb8a975 Remove redundant check. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56960 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 18:38:23 +00:00
Evan Cheng
b1290a6cc4 A Partitioned Boolean Quadratic Programming (PBQP) based register allocator. 
Contributed by Lang Hames.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56959 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 18:29:27 +00:00
Oscar Fuentes
208ca6aa14 CMake: Added Host.cpp to lib/System/CMakeLists.txt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56957 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 17:39:29 +00:00
Dan Gohman
d790a5ceee Fix a think-o in isSafeToMove. This fixes it from thinking that 
volatile memory references are safe to move.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56948 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 15:04:30 +00:00
Dan Gohman
5bbee4b40a Work around an interaction between fast-isel and regalloc=local. The 
local register allocator's physreg liveness doesn't recognize subregs,
so it doesn't know that defs of %ecx that are immediately followed by
uses of %cl aren't dead. This comes up due to the way fast-isel emits
shift instructions.

This is a temporary workaround. Arguably, local regalloc should
handle subreg references correctly. On the other hand, perhaps
fast-isel should use INSERT_SUBREG instead of just assigning to the
most convenient super-register of %cl when lowering shifts.

This fixes MultiSource/Benchmarks/MallocBench/espresso,
MultiSource/Applications/hexxagon, and others, under -fast.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56947 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 14:56:12 +00:00
Bill Wendling
5e249b4a14 "The original bug was a complaint that _mm_srli_si128 mis-compiled when passed 
a constant vector ("{0x123, 0x456}" syntax).  The fix is to simplify the
_mm_srli_si128 macro, and  move the "* 8" from the macro into the compiler
back-end.  I can't change the existing __builtins because so many people are
using them :-(."
Patch by Stuart Hastings!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56944 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 05:56:52 +00:00
Daniel Dunbar
bb14672097 Add llvm::sys::{osName,osVersion} for retrieving operating system name 
& version as strings.
 - Win32 code is untested.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56942 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-02 01:17:28 +00:00
Devang Patel
7c31085b1c Attributes noinline alwaysinline are incompatible 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56939 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 23:41:25 +00:00
Devang Patel
4ae641f4d1 Remove OptimizeForSize global. Use function attribute optsize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56937 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 23:18:38 +00:00
Dan Gohman
dc756858f9 Enable FastISel by default (on x86 and x86-64) with the -fast option. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56930 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-10-01 20:39:19 +00:00