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Author SHA1 Message Date
Daniel Dunbar
89a1d9036a MC/Mach-O/x86_64: Darwin's special "signed_N" relocation types should only be 
used to replace a normal relocation, not a reference to a GOT entry.

llvm-svn: 103789
 2010-05-14 18:53:40 +00:00
Jakob Stoklund Olesen
3eac02b22f 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.

llvm-svn: 103784
 2010-05-14 18:03:25 +00:00
Dan Gohman
dc05cdd475 Set isTerminator on TRAP instructions. 
llvm-svn: 103778
 2010-05-14 16:46:02 +00:00
Dan Gohman
c0438974b2 Don't use isBarrier for the PowerPC sync instruction. isBarrier is for 
control barriers, not memory ordering barriers.

llvm-svn: 103777
 2010-05-14 16:42:16 +00:00
Dan Gohman
b0f18b9c6c Add mayLoad and mayStore flags to instructions which missed them. 
llvm-svn: 103776
 2010-05-14 16:34:55 +00:00
Dan Gohman
79033132d7 Use regular PassManager instead of FunctionPassManager in opt, since it 
isn't doing lazy streaming. This also fixes a missing doFinalization call.

llvm-svn: 103774
 2010-05-14 15:36:54 +00:00
Dan Gohman
6815a4c74d Use PassManagerBase, to give clients the option of using either 
FunctionPassManager or regular PassManager.

llvm-svn: 103773
 2010-05-14 15:35:10 +00:00
Dan Gohman
9383d0f144 Add an isNodeHidden to the graph traits, to support definition of 
subgraph views.

llvm-svn: 103772
 2010-05-14 15:29:31 +00:00
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