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Author SHA1 Message Date
Daniel Dunbar
3c261b3ff8 XFAIL the test I added with vg_leak, apparently it is the first and only llc 
-filetype=obj test, and -filetype=obj leaks a few objects. Added a FIXME, we
need to sort out the ownership model for the various MC objects.

llvm-svn: 103769
 2010-05-14 07:47:51 +00:00
Evan Cheng
ec0d7e6cf2 Get rid of the bit twiddling to read / set OpActions and ValueTypeActions. The small saving in memory isn't worth the increase in runtime and code complexity in my opinion. 
llvm-svn: 103768
 2010-05-14 07:37:40 +00:00
Daniel Dunbar
26fa01eb86 Inline Asm: Ensure buffer is newline terminated to match how the text is printed. 
- This is a hack, but I can't decide the best place to handle this. Chris?

llvm-svn: 103765
 2010-05-14 04:31:50 +00:00
Jakob Stoklund Olesen
892983155c Enable opportunistic coalescing 
llvm-svn: 103764
 2010-05-14 04:30:51 +00:00
Evan Cheng
2af2c9fa14 Added a QQQQ register file to model 4-consecutive Q registers. 
llvm-svn: 103760
 2010-05-14 02:13:41 +00:00
Eric Christopher
ebea91f168 Add AsmParser support for darwin tbss directive. 
Nothing uses this yet.

llvm-svn: 103757
 2010-05-14 01:50:28 +00:00
Eric Christopher
0b3085ae2e Fix a couple of typos. 
llvm-svn: 103756
 2010-05-14 01:38:54 +00:00
Nick Lewycky
aeb998db39 Fix typo. 
llvm-svn: 103755
 2010-05-14 01:02:48 +00:00
Daniel Dunbar
7fee3c7b28 MC: Switch to completely lazy layout. 
- The eliminates the last major algorithmic problem with MC.

llvm-svn: 103754
 2010-05-14 00:51:14 +00:00
Daniel Dunbar
66c2ccec2d MC: Extend MCAsmLayout to explicitly track which fragments have been layed out, and enforce several invariants to LayoutFragment to ensure we only do layout in a sensible order. 
llvm-svn: 103753
 2010-05-14 00:37:21 +00:00
Daniel Dunbar
bfc0b2083d MC: Implicitly assign section addresses when the previous fragment is layed out. 
llvm-svn: 103752
 2010-05-14 00:37:17 +00:00
Daniel Dunbar
11467b2eaa MC: Switch MCFragment to storing the layout order index, not its index in the file. 
llvm-svn: 103751
 2010-05-14 00:37:14 +00:00
Daniel Dunbar
b2a98e0a16 MC: Change LayoutSection() to only do the section initializiation. 
Also, elimminate MCAsmLayout::set*, which are no longer needed.

llvm-svn: 103750
 2010-05-14 00:37:11 +00:00
Evan Cheng
d1f60c198d Fix comments. 
llvm-svn: 103749
 2010-05-14 00:21:45 +00:00
Jakob Stoklund Olesen
f913d9f2b8 Trust kill flags from isel and later passes. 
llvm-svn: 103748
 2010-05-14 00:02:23 +00:00
Jakob Stoklund Olesen
aa38789fd4 Fix an embarrassing runtime regression for RegAllocFast. 
This loop is quadratic in the capacity for a DenseMap:

  while(!map.empty())
    map.erase(map.begin());

Instead we now do a normal begin() - end() iteration followed by map.clear().
That also has the nice sideeffect of shrinking the map capacity on demand.

llvm-svn: 103747
 2010-05-14 00:02:20 +00:00
Evan Cheng
775549c9e7 Adding a v8i64 512-bit vector type. This will be used to model ARM NEON intrinsics which translate into a pair of vld / vst instructions that can load / store 8 consecutive 64-bit (D) registers. 
llvm-svn: 103746
 2010-05-13 23:55:47 +00:00
Dale Johannesen
9f19b6a761 Implement a correct ui64->f32 conversion. The old 
one was subject to double rounding in extreme cases.

llvm-svn: 103744
 2010-05-13 23:50:42 +00:00
Evan Cheng
5e115a09ec Eliminate use of magic numbers to access OpActions. It also has the effect of allowing more than 31 scalar value types. MAX_ALLOWED_VALUETYPE had already been updated to 64 a while back. 
llvm-svn: 103743
 2010-05-13 23:25:21 +00:00
Evan Cheng
f2572ea73b Fix up LoadExtActions, TruncStoreActions, and IndexedModeActions representation and setter and getter's so they will continue to work if the number of scalar ValueType's exceeds 31. 
llvm-svn: 103742
 2010-05-13 23:01:26 +00:00
Jakob Stoklund Olesen
b698dfd8c7 Clean up RegAllocFast debug output 
llvm-svn: 103739
 2010-05-13 20:43:17 +00:00
Daniel Dunbar
86825a9719 MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile(). 
llvm-svn: 103738
 2010-05-13 20:40:12 +00:00
Dan Gohman
33e9c347bf Teach MachineLICM and MachineSink how to clear kill flags conservatively 
when they move instructions.

llvm-svn: 103737
 2010-05-13 20:34:42 +00:00
Evan Cheng
fd47525512 80 col violation. 
llvm-svn: 103733
 2010-05-13 20:14:58 +00:00
Evan Cheng
a36135d02f Add comment about the pseudo registers QQ, each of which is a pair of Q registers. 
llvm-svn: 103731
 2010-05-13 20:02:08 +00:00
Bob Wilson
eaa62c4861 Fix pr7110: For non-Darwin targets UnspilledCS1GPRs may include high registers. 
Do not use those for Thumb1 functions.

llvm-svn: 103730
 2010-05-13 19:58:24 +00:00
Oscar Fuentes
7712b9a40b CMake: fixes 64 bit Visual Studio IDE build. Fixes bug 4936. 
Patch by Dimitry Andric!

llvm-svn: 103727
 2010-05-13 19:34:06 +00:00
Dan Gohman
223379b3a9 Add a utility function for conservatively clearing kill flags, and make 
use of it in MachineCSE.

llvm-svn: 103726
 2010-05-13 19:24:00 +00:00
Dan Gohman
d7b4c5b82e An Instruction has a trivial kill only if its use is in the same 
basic block.

llvm-svn: 103725
 2010-05-13 19:19:32 +00:00
Daniel Dunbar
b142c00db4 MC: Factor out MCAssembler::ComputeFragmentSize. 
llvm-svn: 103724
 2010-05-13 18:35:06 +00:00
Daniel Dunbar
10ef3afee3 Fix const ilist_node::get{Prev,Next}Node() to actually compile. Picky, picky. 
llvm-svn: 103723
 2010-05-13 18:35:02 +00:00
Jakob Stoklund Olesen
ed8dd53c85 Fix complete badness in bugpoint's IsARMArchitecture() function. 
The revision history for this function is interesting, with multiple layers of
wrongness being introduced one at a time.

This fixes a weird issue where bugpoint -run-llc would suddenly exit 13 half way
through isolating a miscompilation.

llvm-svn: 103721
 2010-05-13 17:58:15 +00:00
Nick Lewycky
fc4c30e9e3 Actually run the test. Thanks Daniel Dunbar! 
llvm-svn: 103720
 2010-05-13 17:41:06 +00:00
Daniel Dunbar
5a601f9e09 MC: Add section layout order indices to MCSectionData. 
llvm-svn: 103715
 2010-05-13 15:17:26 +00:00
Rafael Espindola
bc6fabbd3e Add an also-emit-llvm option to the gold plugin. 
llvm-svn: 103714
 2010-05-13 13:39:31 +00:00
Daniel Dunbar
aa67ae072c MC: Move ordinal calculation, to make sure fragments synthesized for layout get assigned ordinals properly. 
llvm-svn: 103711
 2010-05-13 08:43:37 +00:00
Daniel Dunbar
e72ef430f7 MC: Create dummy fragments to avoid ever having empty sections, which simplifies layout. 
llvm-svn: 103710
 2010-05-13 08:43:34 +00:00
Daniel Dunbar
5ef1bcbb97 MC: Add MCAsmLayout::FragmentReplaced() helper function. 
llvm-svn: 103709
 2010-05-13 08:43:31 +00:00
Chandler Carruth
d37bcf5e2c Update tablegen to generate shorts instead of chars for subgroup arrays. 
llvm-svn: 103704
 2010-05-13 07:43:47 +00:00
Anton Korobeynikov
fa0c92ab6c Properly set thread-local flag on globals during cpp emission 
llvm-svn: 103702
 2010-05-13 07:41:57 +00:00
Nick Lewycky
e343761a2a Remove heinous tabs. 
llvm-svn: 103700
 2010-05-13 06:45:13 +00:00
Nick Lewycky
38e49fbf52 Add testcase for r103653. 
llvm-svn: 103699
 2010-05-13 06:00:14 +00:00
Nick Lewycky
4cb49bc5a4 Replace the core comparison login in merge functions. We can now merge 
vector<>::push_back() in:

  int foo(vector<int> &a, vector<unsigned> &b) {
    a.push_back(10);
    b.push_back(11);
  }

to two calls to the same push_back function, or fold away the two copies of
push_back() in:

  struct T { int; };
  struct S { char; };
  vector<T*> t;
  vector<S*> s;
  void f(T *x) { t.push_back(x); }
  void g(S *x) { s.push_back(x); }

but leave f() and g() separate, since they refer to two different global
variables.

llvm-svn: 103698
 2010-05-13 05:48:45 +00:00
Daniel Dunbar
5759287db9 Fix -Asserts warning. 
llvm-svn: 103697
 2010-05-13 03:50:50 +00:00
Daniel Dunbar
561f55c1af MC: Eliminate MCSectionData::{,Address,File}Size, which can now be computed by 
utility functions.

llvm-svn: 103695
 2010-05-13 03:19:50 +00:00
Daniel Dunbar
03bd9216df Fix -Asserts warning. 
llvm-svn: 103694
 2010-05-13 03:19:36 +00:00
Daniel Dunbar
a81966a973 MC: Switch to using explicit MCAlignFragments with OnlyAlignAddress bit instead 
of manually doing padding/editing layout in LayoutSection().
    - This probably seems like six-of-one and half-dozen of another, but there
      is a method to my madness.

llvm-svn: 103693
 2010-05-13 02:34:14 +00:00
Evan Cheng
8d516e4c3e Bring back VLD1q and VST1q and use them for reloading / spilling Q registers. This allows folding loads and stores into VMOVQ. 
llvm-svn: 103692
 2010-05-13 01:12:06 +00:00
Daniel Dunbar
f254edca8d MC/Mach-O: Add another zerofill test to improve coverage. 
llvm-svn: 103691
 2010-05-13 01:10:28 +00:00
Daniel Dunbar
3fc379596a MC: Add MCAlignFragment::OnlyAlignAddress bit. This is a bit of magic that says the align fragment shouldn't contribute to the logical section size, it is will be used for cleaning up the code to handle section alignment. 
llvm-svn: 103690
 2010-05-13 01:10:26 +00:00