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Author SHA1 Message Date
Jakob Stoklund Olesen
4ed1082683 Simplify the handling of physreg defs and uses in RegAllocFast. 
This adds extra security against using clobbered physregs, and it adds kill
markers to physreg uses.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103784 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 18:03:25 +00:00
Dan Gohman
effc8c5269 Set isTerminator on TRAP instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103778 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 16:46:02 +00:00
Dan Gohman
c0c32ae5c2 Don't use isBarrier for the PowerPC sync instruction. isBarrier is for 
control barriers, not memory ordering barriers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103777 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 16:42:16 +00:00
Dan Gohman
7f357ec6d2 Add mayLoad and mayStore flags to instructions which missed them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103776 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 16:34:55 +00:00
Dan Gohman
9cc1c18b7b Use regular PassManager instead of FunctionPassManager in opt, since it 
isn't doing lazy streaming. This also fixes a missing doFinalization call.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103774 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 15:36:54 +00:00
Dan Gohman
8090e214f7 Use PassManagerBase, to give clients the option of using either 
FunctionPassManager or regular PassManager.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103773 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 15:35:10 +00:00
Dan Gohman
89938ce0ad Add an isNodeHidden to the graph traits, to support definition of 
subgraph views.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103772 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 15:29:31 +00:00
Daniel Dunbar
bd616b69f7 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103769 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 07:47:51 +00:00
Evan Cheng
0ebf356ddf 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103768 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 07:37:40 +00:00
Daniel Dunbar
d11d59e35a 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?

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103765 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 04:31:50 +00:00
Jakob Stoklund Olesen
7ff82e1501 Enable opportunistic coalescing 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103764 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 04:30:51 +00:00
Evan Cheng
22c687b642 Added a QQQQ register file to model 4-consecutive Q registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103760 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 02:13:41 +00:00
Eric Christopher
482eba054a Add AsmParser support for darwin tbss directive. 
Nothing uses this yet.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103757 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 01:50:28 +00:00
Eric Christopher
c260a3e59a Fix a couple of typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103756 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 01:38:54 +00:00
Nick Lewycky
3fa0c8ca96 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103755 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 01:02:48 +00:00
Daniel Dunbar
47b3ec4daa MC: Switch to completely lazy layout. 
- The eliminates the last major algorithmic problem with MC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103754 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:51:14 +00:00
Daniel Dunbar
9005d45a99 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103753 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:21 +00:00
Daniel Dunbar
11c4111516 MC: Implicitly assign section addresses when the previous fragment is layed out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103752 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:17 +00:00
Daniel Dunbar
337718e09c MC: Switch MCFragment to storing the layout order index, not its index in the file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103751 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:14 +00:00
Daniel Dunbar
afc6acdab7 MC: Change LayoutSection() to only do the section initializiation. 
Also, elimminate MCAsmLayout::set*, which are no longer needed.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103750 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:37:11 +00:00
Evan Cheng
7f68719517 Fix comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103749 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:21:45 +00:00
Jakob Stoklund Olesen
57b6076d34 Trust kill flags from isel and later passes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:02:23 +00:00
Jakob Stoklund Olesen
7d4f25904d 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-14 00:02:20 +00:00
Evan Cheng
dbf67fefea 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103746 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 23:55:47 +00:00
Dale Johannesen
a5afa1cb21 Implement a correct ui64->f32 conversion. The old 
one was subject to double rounding in extreme cases.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103744 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 23:50:42 +00:00
Evan Cheng
b9c0e332b3 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103743 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 23:25:21 +00:00
Evan Cheng
b21f5a5511 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103742 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 23:01:26 +00:00
Jakob Stoklund Olesen
c9c4dacd03 Clean up RegAllocFast debug output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103739 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 20:43:17 +00:00
Daniel Dunbar
b69fc044db MC: Move Layout{Fragment,Section} into MCAsmLayout, and add LayoutFile(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103738 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 20:40:12 +00:00
Dan Gohman
e6cd757e68 Teach MachineLICM and MachineSink how to clear kill flags conservatively 
when they move instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103737 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 20:34:42 +00:00
Evan Cheng
1e5a6c46b8 80 col violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103733 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 20:14:58 +00:00
Evan Cheng
c4ca40eb5e Add comment about the pseudo registers QQ, each of which is a pair of Q registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103731 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 20:02:08 +00:00
Bob Wilson
1190c14b54 Fix pr7110: For non-Darwin targets UnspilledCS1GPRs may include high registers. 
Do not use those for Thumb1 functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103730 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 19:58:24 +00:00
Oscar Fuentes
ed36aac081 CMake: fixes 64 bit Visual Studio IDE build. Fixes bug 4936. 
Patch by Dimitry Andric!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103727 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 19:34:06 +00:00
Dan Gohman
49b4589978 Add a utility function for conservatively clearing kill flags, and make 
use of it in MachineCSE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 19:24:00 +00:00
Dan Gohman
e1308d86ed An Instruction has a trivial kill only if its use is in the same 
basic block.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103725 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 19:19:32 +00:00
Daniel Dunbar
2c18d3b0fe MC: Factor out MCAssembler::ComputeFragmentSize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103724 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 18:35:06 +00:00
Daniel Dunbar
f1fd2288f3 Fix const ilist_node::get{Prev,Next}Node() to actually compile. Picky, picky. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103723 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 18:35:02 +00:00
Jakob Stoklund Olesen
18e05b4692 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103721 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 17:58:15 +00:00
Nick Lewycky
eb7d818969 Actually run the test. Thanks Daniel Dunbar! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103720 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 17:41:06 +00:00
Daniel Dunbar
f60c736c64 MC: Add section layout order indices to MCSectionData. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103715 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 15:17:26 +00:00
Rafael Espindola
62bacd69c2 Add an also-emit-llvm option to the gold plugin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 13:39:31 +00:00
Daniel Dunbar
49ed921190 MC: Move ordinal calculation, to make sure fragments synthesized for layout get assigned ordinals properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103711 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 08:43:37 +00:00
Daniel Dunbar
09d3465f0e MC: Create dummy fragments to avoid ever having empty sections, which simplifies layout. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103710 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 08:43:34 +00:00
Daniel Dunbar
aa0d350fe5 MC: Add MCAsmLayout::FragmentReplaced() helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103709 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 08:43:31 +00:00
Chandler Carruth
93ca7b60bf Update tablegen to generate shorts instead of chars for subgroup arrays. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103704 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 07:43:47 +00:00
Anton Korobeynikov
61aeed11cd Properly set thread-local flag on globals during cpp emission 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103702 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 07:41:57 +00:00
Nick Lewycky
911ae391e8 Remove heinous tabs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103700 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 06:45:13 +00:00
Nick Lewycky
12b927bad0 Add testcase for r103653. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 06:00:14 +00:00
Nick Lewycky
33ab0b1568 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@103698 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-05-13 05:48:45 +00:00