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Author SHA1 Message Date
Jim Grosbach
e7c1416263 Now that register allocation properly considers reserved regs, simplify the 
ARM register class allocation order functions to take advantage of that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112841 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 18:14:29 +00:00
Dan Gohman
040bbcc876 Add a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112836 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 17:35:10 +00:00
Benjamin Kramer
230c274724 Allow MCSA_WeakRef in ELF. Patch by Roman Divacky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112834 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 17:18:32 +00:00
Jim Grosbach
9b041c92ef Anti-dependency breaking needs to be careful not to use reserved regs 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112832 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 17:12:55 +00:00
Devang Patel
b1fcfbe89b Fix .debug_range for linux. Patch by Krister Wombell. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112830 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 16:43:44 +00:00
Jim Grosbach
5a0fabae5a Mask out reserved registers when constructing the set of allocatable regs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112828 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 16:31:21 +00:00
Bob Wilson
82a9c8480e Fill in a missing comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112826 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 16:17:29 +00:00
Bob Wilson
ffde080ae6 Convert VLD1 and VLD2 instructions to use pseudo-instructions until 
after regalloc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112825 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 16:00:54 +00:00
Mikhail Glushenkov
743547f07b llvmc: .dylib support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112818 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 14:06:21 +00:00
Duncan Sands
8cf2663227 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112812 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 08:52:23 +00:00
Lang Hames
33198391d6 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112811 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 08:27:00 +00:00
Duncan Sands
fc6e29d4ab 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112810 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 08:14:03 +00:00
Chandler Carruth
4315093eb7 Silence an ambiguous else warning from GCC. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112809 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 07:08:05 +00:00
Nick Lewycky
59b4d2a371 Fix compile errors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112808 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 05:44:31 +00:00
Lang Hames
7642572e6d Added counters for PBQP reduction rules. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112807 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 05:37:52 +00:00
Bruno Cardoso Lopes
3722f007b6 Replace unpckl_undef and unpckh_undef matching with target specific opcodes 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112806 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 05:23:12 +00:00
Bruno Cardoso Lopes
dd69db858c Move condition out to prepare for more matching 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 04:20:26 +00:00
Bruno Cardoso Lopes
ad10fb2b56 Remove checking for isUNPCKL_v_undef_Mask, the specific node is already emitted for it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112804 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 03:57:58 +00:00
NAKAMURA Takumi
1b68af4183 llvm::FindExecutable(): Retrieve the name with suffix.exe, if available. 
bugpoint uses it.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112803 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 03:46:04 +00:00
NAKAMURA Takumi
b51633b476 test/loop-strength-reduce4: Add explicit triplet for Win32 host. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112802 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 03:45:58 +00:00
NAKAMURA Takumi
fd03a5124d test/twoaddr-coalesce: Do not use @main. 
Win32 codegen emits implicit invoking __main into, to fail.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112801 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 03:45:51 +00:00
Bruno Cardoso Lopes
d00bfe1f8d become more strict about when it's safe to use X86ISD::MOVLPS 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112799 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 02:35:51 +00:00
Eric Christopher
1f58741aab 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112798 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 02:30:46 +00:00
Eric Christopher
1b61ef4b22 This should be TargetMaterializeConstant instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112795 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 01:48:11 +00:00
Eric Christopher
eaa204b2f8 One definition of isThumb is plenty, thanks. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112793 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 01:39:14 +00:00
Jim Grosbach
b0739b7833 Remove trailing whitespace 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112790 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 01:02:06 +00:00
Eric Christopher
318b6eec8d Rework arm fast-isel load and store handling. Move offset computation 
into the "address selection" routine and handle constant materialization
for stores.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112788 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 00:53:56 +00:00
Jim Grosbach
d273a003b6 Add a bit of debug output for register scavenging 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112787 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 00:51:37 +00:00
Chris Lattner
b742ff084f updates to make it clear that this applies to clang and other llvm subprojects. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112781 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 00:09:17 +00:00
Jim Grosbach
7af3a345a9 trivial cleanup 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112779 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-02 00:02:26 +00:00
Jim Grosbach
352f23529c Simplify the tGPR register class now that the register allocators know not 
to try to allocate reserved registers.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112774 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 23:50:23 +00:00
Bob Wilson
d0b69cf119 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112773 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 23:50:19 +00:00
Dan Gohman
a2259e17b7 Reword this comment. Don't mention outs(), as that's not what 
this code is actually testing for.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112767 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 23:33:02 +00:00
Chris Lattner
72eaa0e5eb deepen my MMX/SRoA hack to avoid hurting non-x86 codegen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112763 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 23:09:27 +00:00
Bruno Cardoso Lopes
4783a3ee13 Revert r112689, avoid those kind of checks cause they mess up with mmx 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112760 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 22:59:03 +00:00
Jim Grosbach
188da252ab 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 22:48:34 +00:00
Dale Johannesen
97511ceffa 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 22:43:48 +00:00
Bruno Cardoso Lopes
29c353b9c3 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



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112753 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 22:33:20 +00:00
Eric Christopher
543cf05b9c Some basic store support. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 22:16:27 +00:00
Jakob Stoklund Olesen
0077114efc 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 22:15:35 +00:00
Dale Johannesen
a314afe658 Apparently only Darwin passes long double misaligned. Compensate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:57:20 +00:00
Jim Grosbach
662fb77687 tidy up trailing whitespace and an 80 column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:48:06 +00:00
Dan Gohman
b0a57210a4 Fix loop unswitching's assumption that a code path which either 
infinite loops or exits will eventually exit. This fixes PR5373.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112745 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:46:45 +00:00
Dale Johannesen
6e3665bcd0 Revert 112740, it broke some clang tests somehow... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112744 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:36:44 +00:00
Jim Grosbach
5a4cbea312 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112743 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:34:41 +00:00
Jim Grosbach
269354e570 The register allocator shouldn't consider allocating reserved registers. PBQP version. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:23:03 +00:00
Jim Grosbach
067a648599 The register allocator shouldn't consider allocating reserved registers. 
r112728 did this for fast regalloc.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112741 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:04:27 +00:00
Dale Johannesen
6a94cbb72e Add a few more missing MMX operations. This should be it. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112740 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 21:03:03 +00:00
Chris Lattner
f57fcf7844 update the tutorial to use CreateFAdd to create fp operations. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 20:09:20 +00:00
Jim Grosbach
1f758831cb The register allocator shouldn't consider allocating reserved registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112728 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-09-01 19:28:41 +00:00