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Author SHA1 Message Date
Stuart Hastings
5129bdecd8 Omit private_extern declarations of extern symbols; followup to 
r124468.  Patch by Rafael Avila de Espindola!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126297 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 02:27:05 +00:00
Evan Cheng
e573fb3255 More fcopysign correctness and performance fix. 
The previous codegen for the slow path (when values are in VFP / NEON
registers) was incorrect if the source is NaN.

The new codegen uses NEON vbsl instruction to copy the sign bit. e.g.
        vmov.i32        d1, #0x80000000
        vbsl    d1, d2, d0
If NEON is not available, it uses integer instructions to copy the sign bit.
rdar://9034702


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126295 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 02:24:55 +00:00
Jakob Stoklund Olesen
d2a5073423 Keep track of how many times a live range has been dequeued, and prioritize new ranges. 
When a large live range is evicted, it will usually be split when it comes
around again. By deferring evicted live ranges, the splitting happens at a time
when the interference pattern is more realistic. This prevents repeated
splitting and evictions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126282 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 00:56:56 +00:00
Jakob Stoklund Olesen
417df01291 Fix a bug in determining if there is only a single interfering register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126277 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 00:29:55 +00:00
Jakob Stoklund Olesen
98c8141b6d Be more aggressive about evicting interference. 
Use interval sizes instead of spill weights to determine if it is legal to evict
interference. A smaller interval can evict interference if all interfering live
ranges are larger.

Allow multiple interferences to be evicted as along as they are all larger than
the live range being allocated.

Spill weights are still used to select the preferred eviction candidate.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126276 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-23 00:29:52 +00:00
David Greene
fbf05d32b4 [AVX] General VUNPCKL codegen support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126264 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 23:31:46 +00:00
David Greene
8b890c2f7d Fix Builder::execute() to more properly pass the desired environment 
to tools.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126263 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 23:30:45 +00:00
Jakob Stoklund Olesen
98d9648de7 Change the RAGreedy register assignment order so large live ranges are allocated first. 
This is based on the observation that long live ranges are more difficult to
allocate, so there is a better chance of solving the puzzle by handling the big
pieces first. The allocator will evict and split long alive ranges when they get
in the way.

RABasic is still using spill weights for its priority queue, so the interface to
the queue has been virtualized.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126259 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 23:01:52 +00:00
Jakob Stoklund Olesen
75b5409d3a 80 Col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126258 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 23:01:49 +00:00
Nick Lewycky
2d76ad6df9 Fix C++0x incompatibility. The signature of std::make_pair<> changes from: 
template <class T1, class T2> pair<T1,T2> make_pair(const T1&, const T2&);
to
  template <class T1, class T2> pair<V1, V2> make_pair(T1&&, T2&&);
so explicitly specifying the template arguments to make_pair<> is going to break
when C++0x rolls through. Replace them with equivalent std::pair<>. Patch by
James Dennett!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126256 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 22:48:47 +00:00
Cameron Zwarich
c4f3d51e12 Make LoopDeletion work on loops with multiple edges, as long as the incoming 
values from all of the loop's exiting blocks are equal. Patch by Andrew Clinton.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126253 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 22:25:39 +00:00
Joerg Sonnenberger
00743c2218 Use the same (%dx) hack for in[bwl] as for out[bwl]. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126244 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 20:40:09 +00:00
Evan Cheng
6557bce3ec VFP single precision arith instructions can go down to NEON pipeline, but on Cortex-A8 only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126238 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 19:53:14 +00:00
Devang Patel
50d280c14e Follow LLVM coding style. 
clang uses DBuilder, so it requries corresponding change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126231 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 18:56:12 +00:00
Roman Divacky
4c3ab58c47 Stack alignment is 16 bytes on FreeBSD/i386 too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126226 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 17:30:05 +00:00
Joerg Sonnenberger
a04663ecb2 Bug#9172: Don't use static in file scope, use an attribute on the 
parser.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126225 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 16:53:11 +00:00
Oscar Fuentes
50b284666f CMake: remove unnecessary variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126224 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 15:40:20 +00:00
Cameron Zwarich
5567869637 MachineConstantPoolValues are not uniqued, so they need to be freed if they 
share entries. Add a DenseSet to MachineConstantPool for the MachineCPVs that
it owns.

This will hopefully fix the MC/ARM/elf-reloc-01.ll failure on the leaks bots.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126218 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 08:54:30 +00:00
NAKAMURA Takumi
6023efb45d Revert r126195, "test/CodeGen/X86/vec_cast.ll: Mark as XFAIL: migw,win32 for workaround of PR8311." 
It seems it affected configuration --target=i686-pc-mingw32, I don't know and will investigate why.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126217 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 08:22:54 +00:00
NAKAMURA Takumi
0de102b9d8 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126216 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:59 +00:00
NAKAMURA Takumi
65e9404646 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126215 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:51 +00:00
NAKAMURA Takumi
3f38d20f95 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126214 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:42 +00:00
NAKAMURA Takumi
aef8871177 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126213 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:33 +00:00
NAKAMURA Takumi
88234f14a8 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126212 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:25 +00:00
NAKAMURA Takumi
902f128141 Relax expressions and add explicit triplets -linux and -win32. 
On @foobar(double %d, double* %x),
AMD64: (%xmm0, %rdi)
Win64: (%xmm0, %rdx) (not %rcx!)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126211 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:17 +00:00
NAKAMURA Takumi
166b79fb24 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126210 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:08 +00:00
NAKAMURA Takumi
661cae4b58 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126209 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:21:01 +00:00
NAKAMURA Takumi
db2649995d Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126208 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:20:52 +00:00
NAKAMURA Takumi
20cee65fd1 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126207 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:20:44 +00:00
NAKAMURA Takumi
5731b5c8ce Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126206 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:20:35 +00:00
NAKAMURA Takumi
22bc92baa4 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126205 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:20:26 +00:00
NAKAMURA Takumi
ed2ac7c211 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126204 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:20:18 +00:00
NAKAMURA Takumi
62627126fe Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126203 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:20:10 +00:00
NAKAMURA Takumi
64779f4b87 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126202 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:20:02 +00:00
NAKAMURA Takumi
9839eb06bd Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126201 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:54 +00:00
NAKAMURA Takumi
e51a69c8fd Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126200 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:46 +00:00
NAKAMURA Takumi
c3bf772620 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126199 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:37 +00:00
NAKAMURA Takumi
39109a3ce9 Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126198 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:28 +00:00
NAKAMURA Takumi
007b2b3c7e Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126197 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:20 +00:00
NAKAMURA Takumi
52ae4cac4e Relax expressions and add explicit triplets -linux and -win32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126196 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:12 +00:00
NAKAMURA Takumi
ba2218ac24 test/CodeGen/X86/vec_cast.ll: Mark as XFAIL: migw,win32 for workaround of PR8311. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126195 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:19:03 +00:00
NAKAMURA Takumi
135c03094f test/CodeGen/X86/red-zone.ll: Add explicit -mtriple=x86_64-linux. 
Redzone is not applicable on Win64.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126194 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:18:55 +00:00
Evan Cheng
0a921698b6 Guard against de-referencing MBB.end(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126192 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 07:07:59 +00:00
Evan Cheng
af05c69ba0 available_externally (hidden or not) GVs are always accessed via stubs. rdar://9027648. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126191 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 06:58:34 +00:00
Andrew Trick
fcfcdbc86a VirtRegRewriter assertion fix. 
Apparently it's ok for multiple operands to "kill" the same register.
Fixes PR9237.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126190 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 06:52:56 +00:00
Cameron Zwarich
4ecc82e592 Roll out r126169 and r126170 in an attempt to fix the selfhost bot. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126185 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 03:24:52 +00:00
Sean Callanan
ec243ae2b8 Added a testcase for the enhanced disassembly bug 
fixed in r126147, where a field in the X86 decode
structure was being read as bits, not bytes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126182 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 02:19:18 +00:00
Sean Callanan
b21e49c8fe Fixed llvm-mc in edis mode to use the result of 
operand.evaluate as an error code, not as the
contents of the operand.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126181 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 02:09:15 +00:00
Sean Callanan
41dfd2b61b Fixed lit.cfg to no longer recognize the old 
edis name as needing expansion.  This tool was
been replaced by llvm-mc long ago.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126180 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 02:05:53 +00:00
Eric Christopher
872f4a2247 Only use blx for external function calls on thumb, these could be fixed 
up by the dynamic linker, but it's better to use the correct instruction
to begin with.

Fixes rdar://9011034


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126176 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-02-22 01:37:10 +00:00