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Author SHA1 Message Date
Dan Gohman
0b62f95ea8 Fix comments; the type graph is currently a tree, not a DAG. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116954 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 22:02:58 +00:00
Jakob Stoklund Olesen
080c316ff8 Move some of the InlineSpiller rematerialization code into LiveRangeEdit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116951 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 22:00:51 +00:00
Dale Johannesen
e93d99cf07 Remove Synthesizable from the Type system; as MMX vector 
types are no longer Legal on X86, we don't need it.
No functional change.  8499854.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116947 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 21:32:10 +00:00
Jakob Stoklund Olesen
9b25940474 When SimpleRegisterCoalescing is trimming kill flags on a physical register 
operand, also check if subregisters are killed.

Add <imp-def> operands for subregisters that remain alive after a super register
is killed.

I don't have a testcase for this that reproduces on trunk. <rdar://problem/8441758>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116940 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 18:45:55 +00:00
Rafael Espindola
64e6719ee8 Handle _GLOBAL_OFFSET_TABLE_ correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116932 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 16:46:08 +00:00
Michael J. Spencer
9f608b1919 Use C++03... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116927 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 16:00:45 +00:00
Michael J. Spencer
a9cf7b8443 System-Win32/Path: Fix incorrect assumption in isValid. 
A recent commit to clang exposed a bug in the Win32 Path code. This is a
minimal fix for it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116925 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 15:23:58 +00:00
Chandler Carruth
1cd9708f5c Remove remaining uses of ATTRIBUTE_UNUSED on variables, and delete three 
#includes in the process.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116919 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 08:27:02 +00:00
Eric Christopher
3659ac22c0 Fix a TODO by removing some unnecesary copies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116915 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 08:02:24 +00:00
NAKAMURA Takumi
f10c519249 Add ATTRIBUTE_UNUSED for -Asserts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116909 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 04:05:29 +00:00
Tobias Grosser
6551360535 Add RegionPass support. 
A RegionPass is executed like a LoopPass but on the regions detected by the
RegionInfo pass instead of the loops detected by the LoopInfo pass.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116905 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 01:54:44 +00:00
Douglas Gregor
3e26c3c7d4 Fix CMake build 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116903 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 01:36:56 +00:00
Jim Grosbach
b8e67fc92b Fix backwards conditional. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116897 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 01:10:01 +00:00
Dan Gohman
f96e4bd2a3 Make CodeGen TBAA-aware. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116890 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 00:31:05 +00:00
Jim Grosbach
8b95c3ebfb Add dynamic realignment when rematerializing the base register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116886 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-20 00:02:50 +00:00
Jim Grosbach
f6d7df6f21 Nuke a commented out bit that got missed a while back. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116883 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 23:48:47 +00:00
Jim Grosbach
e4ad387a5a Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any 
setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116879 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 23:27:08 +00:00
Dan Gohman
db4708cf86 Move NoAA out of BasicAliasAnalysis.cpp into its own file, now that 
it doesn't have a special relationship with BasicAliasAnalysis
anymore.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116876 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 23:09:08 +00:00
Dan Gohman
3da848bbda Reapply r116831 and r116839, converting AliasAnalysis to use 
uint64_t, plus fixes for places I missed before.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116875 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 22:54:46 +00:00
Douglas Gregor
5ee568ac27 Extend StringRef's edit-distance algorithm to permit an upper bound on the allowed edit distance 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116867 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 22:13:48 +00:00
Jim Grosbach
8155ea4c3a Update comments to remove obsolete references. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116863 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 21:34:47 +00:00
Dan Gohman
1db839e734 Revert r116831 and r116839, which are breaking selfhost builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116858 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 21:06:16 +00:00
Jakob Stoklund Olesen
2594746045 Shrink MachineOperand from 40 to 32 bytes on 64-bit hosts. 
Pull an unsigned out of the Contents union such that it has the same size as two
pointers and no padding.

Arrange members such that the Contents union and all pointers can be 8-byte
aligned without padding.

This speeds up code generation by 0.8% on a 64-bit host. 32-bit hosts should be
unaffected.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116857 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 20:56:32 +00:00
Owen Anderson
205942a4a5 Passes do not need to recursively initialize passes that they preserve, if 
they do not also require them.  This allows us to reduce inter-pass linkage
dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116854 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 20:08:44 +00:00
Dale Johannesen
575cd148ce Enable using vdup for vector constants which are splat of 
integers by default, and remove the controlling flag, now
that LICM will hoist such vdup's.  8003375.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116852 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 20:00:17 +00:00
Rafael Espindola
bd70118f16 Small cleanups and fixes in preparation for fixing _GLOBAL_OFFSET_TABLE_. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116848 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 19:31:37 +00:00
Evan Cheng
2312842de0 Re-enable register pressure aware machine licm with fixes. Hoist() may have 
erased the instruction during LICM so UpdateRegPressureAfter() should not
reference it afterwards.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116845 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 18:58:51 +00:00
Dan Gohman
9cb4c7f878 Oops, check in all the files for converting AliasAnalysis to 
use uint64_t.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116839 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 18:08:27 +00:00
Dan Gohman
4cccb87b4d Change AliasAnalysis and its clients to use uint64_t instead of unsigned 
for representing object sizes, for consistency with other parts of LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116831 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 18:00:02 +00:00
Owen Anderson
081c34b725 Get rid of static constructors for pass registration. Instead, every pass exposes an initializeMyPassFunction(), which 
must be called in the pass's constructor.  This function uses static dependency declarations to recursively initialize
the pass's dependencies.

Clients that only create passes through the createFooPass() APIs will require no changes.  Clients that want to use the
CommandLine options for passes will need to manually call the appropriate initialization functions in PassInitialization.h
before parsing commandline arguments.

I have tested this with all standard configurations of clang and llvm-gcc on Darwin.  It is possible that there are problems
with the static dependencies that will only be visible with non-standard options.  If you encounter any crash in pass
registration/creation, please send the testcase to me directly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116820 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 17:21:58 +00:00
Daniel Dunbar
9869413802 Revert r116781 "- Add a hook for target to determine whether an instruction def 
is", which breaks some nightly tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116816 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 17:14:24 +00:00
Dan Gohman
f3a925dc7a Consistently use AliasAnalysis::UnknownSize instead of hardcoding ~0u. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116815 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 17:06:23 +00:00
Mikhail Glushenkov
99fca5de96 GlobalOpt: EvaluateFunction() must not evaluate stores to weak_odr globals. 
Fixes PR8389.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 16:47:23 +00:00
Che-Liang Chiou
b48f2c2e1d Add lower argument and return of device function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 13:14:40 +00:00
Bill Wendling
cf2561d111 Fix spelling. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 10:18:23 +00:00
Michael J. Spencer
94f7eeb84d X86: Add MS-CRT libcalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116801 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 07:32:52 +00:00
Michael J. Spencer
87b8665878 Fix Whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116800 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 07:32:42 +00:00
NAKAMURA Takumi
3b3b0ebd2e lib/CodeGen/TargetLoweringObjectFileImpl.cpp: Tweak to emit ".{section}${name}" instead of ".{section}$linkonce_{name}" for linkonce sections. 
It seems GNU ld/PECOFF relies on section names, linking with g++'s libstdc++.a would fail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116791 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 03:24:42 +00:00
Andrew Trick
dc986d2462 Fix for machine licm assert: RCCost <= RegPressure[RCId] 
in MultiSource/Benchmarks/VersaBench/beamformer/beamformer.
SmallSet.insert returns true if the element is inserted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116790 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 02:50:50 +00:00
Rafael Espindola
19785995f6 Fix PR8300 by remembering to keep the bitcast in all cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 02:02:57 +00:00
NAKAMURA Takumi
5c0db76cf2 lib/System/Win32/ThreadLocal.inc: Suppress "unused" warning on -Asserts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116785 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 01:22:01 +00:00
NAKAMURA Takumi
1b5de0e7ee lib/Support/raw_ostream.cpp: Fix Cygwin's build. 
setmode is provided by io.h on Cygwin.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116784 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 01:21:55 +00:00
Evan Cheng
11e8b74a7a - Add a hook for target to determine whether an instruction def is 
"long latency" enough to hoist even if it may increase spilling. Reloading
  a value from spill slot is often cheaper than performing an expensive
  computation in the loop. For X86, that means machine LICM will hoist
  SQRT, DIV, etc. ARM will be somewhat aggressive with VFP and NEON
  instructions.
- Enable register pressure aware machine LICM by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 00:55:07 +00:00
Chandler Carruth
b5a2d3f8e3 Move the definition of this to the source file to anchor the vtable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 00:37:30 +00:00
Bob Wilson
3454ed9545 Support alignment for NEON vld-lane and vst-lane instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 00:16:32 +00:00
Kevin Enderby
87f4a1a433 Added a few tweaks to the Intel Descriptor-table support instructions to allow 
word forms and suffixed versions to match the darwin assembler in 32-bit and
64-bit modes.  This is again for use just with assembly source for llvm-mc .


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116773 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-19 00:01:44 +00:00
Jim Grosbach
70987fbc60 ARM encoding information for [SU]SAT* instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116768 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 23:35:38 +00:00
Dan Gohman
eee5400442 Make the representation of AliasSets explicitly differentiate 
between "not known yet" and "known no tbaa info" so that it
can merge them properly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 23:31:47 +00:00
Eric Christopher
6e5367d6a3 Revert r116220 - thus turning arm fast isel back on by default. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116762 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 22:53:53 +00:00
Daniel Dunbar
d49e2aa5b8 CrashRecoveryContext: Add missing return, so that the signal fires after we our 
routine is off the stack. Otherwise we show up rather confusingly in the stack
trace.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-18 21:55:18 +00:00