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Author SHA1 Message Date
Jim Grosbach
4965868724 Mask out reserved registers when constructing the set of allocatable regs. 
llvm-svn: 112828
 2010-09-02 16:31:21 +00:00
Bob Wilson
c2c106f73e Fill in a missing comment. 
llvm-svn: 112826
 2010-09-02 16:17:29 +00:00
Bob Wilson
8951c7592c Convert VLD1 and VLD2 instructions to use pseudo-instructions until 
after regalloc.

llvm-svn: 112825
 2010-09-02 16:00:54 +00:00
Mikhail Glushenkov
486aba548f llvmc: .dylib support. 
llvm-svn: 112818
 2010-09-02 14:06:21 +00:00
Duncan Sands
6b382d04f4 Print the number of uses of a function in the .ll since it can be informative 
and there seems to be no reason not to.

llvm-svn: 112812
 2010-09-02 08:52:23 +00:00
Lang Hames
e80abebead Added support for register allocators to record which intervals are spill intervals, and where the uses and defs of the original intervals were in the original code. 
Spill intervals can be hidden using the "-rmf-intervals=virt-nospills*" option.

llvm-svn: 112811
 2010-09-02 08:27:00 +00:00
Duncan Sands
a95548a8d2 Reapply commit 112699, speculatively reverted by echristo, since 
I'm sure it is harmless.  Original commit message:
If PrototypeValue is erased in the middle of using the SSAUpdator
then the SSAUpdator may access freed memory.  Instead, simply pass
in the type and name explicitly, which is all that was used anyway.

llvm-svn: 112810
 2010-09-02 08:14:03 +00:00
Chandler Carruth
71b26a9243 Silence an ambiguous else warning from GCC. 
llvm-svn: 112809
 2010-09-02 07:08:05 +00:00
Nick Lewycky
7d3f15bab3 Fix compile errors. 
llvm-svn: 112808
 2010-09-02 05:44:31 +00:00
Lang Hames
d19ac535ea Added counters for PBQP reduction rules. 
llvm-svn: 112807
 2010-09-02 05:37:52 +00:00
Bruno Cardoso Lopes
659f549638 Replace unpckl_undef and unpckh_undef matching with target specific opcodes 
llvm-svn: 112806
 2010-09-02 05:23:12 +00:00
Bruno Cardoso Lopes
9d4a11d4c6 Move condition out to prepare for more matching 
llvm-svn: 112805
 2010-09-02 04:20:26 +00:00
Bruno Cardoso Lopes
1b9095fff1 Remove checking for isUNPCKL_v_undef_Mask, the specific node is already emitted for it 
llvm-svn: 112804
 2010-09-02 03:57:58 +00:00
NAKAMURA Takumi
500a204a62 llvm::FindExecutable(): Retrieve the name with suffix.exe, if available. 
bugpoint uses it.

llvm-svn: 112803
 2010-09-02 03:46:04 +00:00
NAKAMURA Takumi
f5566eebf8 test/loop-strength-reduce4: Add explicit triplet for Win32 host. 
llvm-svn: 112802
 2010-09-02 03:45:58 +00:00
NAKAMURA Takumi
8e620796b6 test/twoaddr-coalesce: Do not use @main. 
Win32 codegen emits implicit invoking __main into, to fail.

llvm-svn: 112801
 2010-09-02 03:45:51 +00:00
Bruno Cardoso Lopes
dcdab94661 become more strict about when it's safe to use X86ISD::MOVLPS 
llvm-svn: 112799
 2010-09-02 02:35:51 +00:00
Eric Christopher
6c3fa8c78f Clang's -ccc-host-triple was ignoring the arch specifier on my triple, 
I don't need to implement this quite yet - and not for ConstantInt anyhow.

llvm-svn: 112798
 2010-09-02 02:30:46 +00:00
Eric Christopher
cf0b12d117 This should be TargetMaterializeConstant instead. 
llvm-svn: 112795
 2010-09-02 01:48:11 +00:00
Eric Christopher
9dc3582a82 One definition of isThumb is plenty, thanks. 
llvm-svn: 112793
 2010-09-02 01:39:14 +00:00
Jim Grosbach
bb3bfa20e1 Remove trailing whitespace 
llvm-svn: 112790
 2010-09-02 01:02:06 +00:00
Eric Christopher
3aa2bb55d8 Rework arm fast-isel load and store handling. Move offset computation 
into the "address selection" routine and handle constant materialization
for stores.

llvm-svn: 112788
 2010-09-02 00:53:56 +00:00
Jim Grosbach
82a4ac2c83 Add a bit of debug output for register scavenging 
llvm-svn: 112787
 2010-09-02 00:51:37 +00:00
Chris Lattner
67bb18f68c updates to make it clear that this applies to clang and other llvm subprojects. 
llvm-svn: 112781
 2010-09-02 00:09:17 +00:00
Jim Grosbach
94a445d9d1 trivial cleanup 
llvm-svn: 112779
 2010-09-02 00:02:26 +00:00
Jim Grosbach
2a3afa421b Simplify the tGPR register class now that the register allocators know not 
to try to allocate reserved registers.

llvm-svn: 112774
 2010-09-01 23:50:23 +00:00
Bob Wilson
3348d2eb50 Remove NEON vmull, vmlal, and vmlsl intrinsics, replacing them with multiply, 
add, and subtract operations with zero-extended or sign-extended vectors.
Update tests.  Add auto-upgrade support for the old intrinsics.

llvm-svn: 112773
 2010-09-01 23:50:19 +00:00
Dan Gohman
bc87387508 Reword this comment. Don't mention outs(), as that's not what 
this code is actually testing for.

llvm-svn: 112767
 2010-09-01 23:33:02 +00:00
Chris Lattner
b1c861e28c deepen my MMX/SRoA hack to avoid hurting non-x86 codegen. 
llvm-svn: 112763
 2010-09-01 23:09:27 +00:00
Bruno Cardoso Lopes
b73f0cbc7a Revert r112689, avoid those kind of checks cause they mess up with mmx 
llvm-svn: 112760
 2010-09-01 22:59:03 +00:00
Jim Grosbach
9df54659d3 Tweak to ignoring reserved regs. The allocator was occasionally still looking 
at them since they'd end up in the register weights list. Tell it to stop
doing that.

llvm-svn: 112756
 2010-09-01 22:48:34 +00:00
Dale Johannesen
e7c3ecd9dd Recommit with changes. Comment out palignr for the 
moment, as there's a testcase that uses it and expects it
to be subject to optimizations; we won't be doing that.
Some adjustments based on feedback from Bill.

llvm-svn: 112754
 2010-09-01 22:43:48 +00:00
Bruno Cardoso Lopes
601bf4c6d3 Using target specific nodes for shuffle nodes makes the mask 
check more strict, breaking some cases not checked in the
testsuite, but also exposes some foldings not done before,
as this example:

  movaps  (%rdi), %xmm0
  movaps  (%rax), %xmm1
  movaps  %xmm0, %xmm2
  movss %xmm1, %xmm2
  shufps  $36, %xmm2, %xmm0

now is generated as:

  movaps  (%rdi), %xmm0
  movaps  %xmm0, %xmm1
  movlps  (%rax), %xmm1
  shufps  $36, %xmm1, %xmm0

llvm-svn: 112753
 2010-09-01 22:33:20 +00:00
Eric Christopher
abf61f76c9 Some basic store support. 
llvm-svn: 112752
 2010-09-01 22:16:27 +00:00
Jakob Stoklund Olesen
fe11c81560 Teach RemoveCopyByCommutingDef to check all aliases, not just subregisters. 
This caused a miscompilation in WebKit where %RAX had conflicting defs when
RemoveCopyByCommutingDef was commuting a %EAX use.

llvm-svn: 112751
 2010-09-01 22:15:35 +00:00
Dale Johannesen
8ac2805d6f Apparently only Darwin passes long double misaligned. Compensate. 
llvm-svn: 112748
 2010-09-01 21:57:20 +00:00
Jim Grosbach
69ffc23491 tidy up trailing whitespace and an 80 column violation. 
llvm-svn: 112746
 2010-09-01 21:48:06 +00:00
Dan Gohman
d0dc80485c Fix loop unswitching's assumption that a code path which either 
infinite loops or exits will eventually exit. This fixes PR5373.

llvm-svn: 112745
 2010-09-01 21:46:45 +00:00
Dale Johannesen
8f257c1f83 Revert 112740, it broke some clang tests somehow... 
llvm-svn: 112744
 2010-09-01 21:36:44 +00:00
Jim Grosbach
250d5e6af4 cleanup per feedback. use a helper function for getting the first non-reserved 
physical register in a register class. Make sure to assert if the register
class is empty.

llvm-svn: 112743
 2010-09-01 21:34:41 +00:00
Jim Grosbach
6de7c3ef19 The register allocator shouldn't consider allocating reserved registers. PBQP version. 
llvm-svn: 112742
 2010-09-01 21:23:03 +00:00
Jim Grosbach
18fc90c535 The register allocator shouldn't consider allocating reserved registers. 
r112728 did this for fast regalloc.

llvm-svn: 112741
 2010-09-01 21:04:27 +00:00
Dale Johannesen
20877c9c79 Add a few more missing MMX operations. This should be it. 
llvm-svn: 112740
 2010-09-01 21:03:03 +00:00
Chris Lattner
070f76fc43 update the tutorial to use CreateFAdd to create fp operations. 
llvm-svn: 112733
 2010-09-01 20:09:20 +00:00
Jim Grosbach
4672574f24 The register allocator shouldn't consider allocating reserved registers. 
llvm-svn: 112728
 2010-09-01 19:28:41 +00:00
Owen Anderson
ef4f527b13 Disable CorrelatedValuePropagation while I track down selfhost failures. 
llvm-svn: 112727
 2010-09-01 19:20:46 +00:00
Jim Grosbach
f727f525cd tidy up a few 80-column and trailing whitespace bits. 
llvm-svn: 112726
 2010-09-01 19:16:29 +00:00
Bill Wendling
988287ae88 The output of opt -stats must be sent to stderr. Patch by NAKAMURA Takumi! 
llvm-svn: 112724
 2010-09-01 18:32:56 +00:00
Owen Anderson
0ee04fbdc8 Tentatively add correlated value propagation to the set of standard passes. 
llvm-svn: 112723
 2010-09-01 18:30:15 +00:00
Owen Anderson
e036dd5b0b JumpThreading keeps LazyValueInfo up to date, so we don't need to rerun it 
if we schedule another LVI-using pass afterwards.

llvm-svn: 112722
 2010-09-01 18:27:22 +00:00