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6135a96792
Commit Graph

12915 Commits

Author SHA1 Message Date
Chris Lattner
6135a96792 reimplement ppc asmprinter "toc" handling to use a VariantKind 
on the operand, required for .o file writing and fixing 
the PowerPC/mult-alt-generic-powerpc64.ll failure with the new
instprinter.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119087 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 22:22:59 +00:00
Duncan Sands
eff0581583 If dom tree information is available, make it possible to pass 
it to get better phi node simplification.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119055 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 18:36:10 +00:00
Duncan Sands
12a86f5b31 Strip trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119038 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-14 11:23:23 +00:00
Daniel Dunbar
115a3dd066 MC: Simplify Mach-O and ELF object writer implementations. 
- What was I thinking?????

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118992 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 07:33:40 +00:00
Rafael Espindola
e13a0ff8ac Parse and record the gnu_unique_object type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118980 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 04:51:02 +00:00
Jim Grosbach
ce8ca9ab0c Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118978 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 04:17:15 +00:00
Rafael Espindola
c50a0fd7cb Parse and remember discriminators in .loc line. I try to output them with 
another patch.
This lets us parse a bit more of the gcc 4.5 output.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118975 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 03:18:27 +00:00
Daniel Dunbar
48dd875be1 JIT: More nitty style tweakage, aka territory marking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118973 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:48:57 +00:00
Daniel Dunbar
afd693cff3 report_fatal_error: Simplify a possible ambiguity. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118972 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:48:51 +00:00
Daniel Dunbar
5b1d431217 More style nittiness. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118971 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:48:46 +00:00
Daniel Dunbar
f47a7b2699 Clean up some doxyments/style. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118970 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-13 02:48:41 +00:00
Chris Lattner
ccb5c677c6 add operand iterator apis to MachineInstr, patch by ether zhhb. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118862 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-12 00:00:21 +00:00
Dan Gohman
6d8eb156e6 Add helper functions for computing the Location of load, store, 
and vaarg instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118845 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:50:19 +00:00
Dan Gohman
4d70a29490 Factor out Instruction::isSafeToSpeculativelyExecute's code for 
testing for dereferenceable pointers into a helper function,
isDereferenceablePointer.  Teach it how to reason about GEPs
with simple non-zero indices.

Also eliminate ArgumentPromtion's IsAlwaysValidPointer,
which didn't check for weak externals or out of range gep
indices.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118840 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 21:23:25 +00:00
Rafael Espindola
2ff9e83a82 Initial comdat implementation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118805 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 18:13:52 +00:00
Dan Gohman
8e78cc4e13 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118799 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 17:33:39 +00:00
Dan Gohman
17e8078ae1 Add brief doxygen comments for AliasResult enum values. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118792 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 16:37:38 +00:00
Dan Gohman
ec9b4ac914 Set NonLocalDepInfo's Size field to UnknownSize when invalidating 
it, so that it doesn't appear to be a known size.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118748 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 00:20:27 +00:00
Jakob Stoklund Olesen
1e8e72d72a Insert two blank SlotIndexes between basic blocks instead of just one. 
This is the first small step towards using closed intervals for liveness instead
of the half-open intervals we're using now.

We want to be able to distinguish between a SlotIndex that represents a variable
being live-out of a basic block, and an index representing a variable live-in to
its successor.

That requires two separate indexes between blocks. One for live-outs and one for
live-ins.

With this change, getMBBEndIdx(MBB).getPrevSlot() becomes stable so it stays
greater than any instructions inserted at the end of MBB.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118747 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-11 00:19:20 +00:00
Jakob Stoklund Olesen
01f98abe3e Delete unused function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118743 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 23:56:02 +00:00
Devang Patel
62367045a4 Take care of special characters while creating named MDNode name to hold function specific local variable's info. 
This fixes radar 8653152. I am checking in testcase as a separate check-in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118726 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 22:19:21 +00:00
Dan Gohman
075fb5d68f Enhance GVN to do more precise alias queries for non-local memory 
references. For example, this allows gvn to eliminate the load in
this example:

  void foo(int n, int* p, int *q) {
    p[0] = 0;
    p[1] = 1;
    if (n) {
      *q = p[0];
    }
  }


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118714 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 20:37:15 +00:00
Andrew Trick
f4baeaf848 RABasic is nearly functionally complete. There are a few remaining 
benchmarks hitting an assertion.
Adds LiveIntervalUnion::collectInterferingVRegs.
Fixes "late spilling" by checking for any unspillable live vregs among
all physReg aliases.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118701 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 19:18:47 +00:00
Rafael Espindola
4283f4b81e Use MCSectionELF in places we know we have an ELF section. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118699 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 19:05:07 +00:00
Dan Gohman
e88ccb545d Rename AccessesArguments and AccessesArgumentsReadonly, and rewrite 
their comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118696 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 18:30:00 +00:00
Dan Gohman
b395e4a026 Fix a copy+pasto Duncan noticed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118693 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 18:18:23 +00:00
Dan Gohman
68a6056daf Add a doesAccessArgPointees helper function, and update code to use 
it, and to be consistent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118692 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 18:17:28 +00:00
Dan Gohman
432d08cbdb Factor out the code for testing whether a function accesses 
arbitrary memory into a helper function, and adjust some comments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118687 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 17:34:04 +00:00
Dan Gohman
50bcaece67 Give NonLocalDepResult a NonLocalDepEntry member, replacing 
indivudal members holding the same data, to clarify the relationship
between NonLocalDepResult and NonLocalDepEntry.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118686 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 17:15:52 +00:00
Michael J. Spencer
7aac79bdea System/Path: Update comments to match code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118682 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 15:05:50 +00:00
Duncan Sands
867fe8570f There is no EndPtr anymore - reinterpret the original comment in terms 
of InputData.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118677 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 07:46:36 +00:00
Jim Grosbach
2c4d5125c7 Update ARMConstantPoolValue to not use a modifier string. Use an explicit 
VariantKind marker to indicate the additional information necessary. Update
MC to handle the new Kinds. rdar://8647623



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118671 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 03:26:07 +00:00
Dan Gohman
42c31a7073 Make ModRefBehavior a lattice. Use this to clean up AliasAnalysis 
chaining and simplify FunctionAttrs' GetModRefBehavior logic.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118660 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-10 01:02:18 +00:00
Rafael Espindola
34be396a12 Fixed version of 118639 with an extra assert to catch similar problems 
earlier. Implicit bool -> int conversions are evil!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118651 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 23:42:07 +00:00
Rafael Espindola
037b5be15a Revert previous patch. Missed a case. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118645 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 22:54:38 +00:00
Rafael Espindola
e61a1ac595 Remove IsExplicit. It was always false. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118639 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 22:37:44 +00:00
Dan Gohman
50a04d067f Convert comments to doxygen syntax. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118628 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 20:33:57 +00:00
Dan Gohman
4a53f37a1a AccessesArgumentsReadonly is read-only. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118615 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 19:50:00 +00:00
Dan Gohman
db78c4873e Add a AccessesArgumentsReadonly ModRefBehavior value, so that the intrinsic 
property IntrReadArgMem can be modeled.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118614 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 19:48:55 +00:00
Dan Gohman
467a0adfc8 Factor out the logic for onlyReadsMemory into a helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118611 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 19:43:24 +00:00
Dan Gohman
7293ac1281 Delete AccessesArgumentsAndGlobals, which was unused. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118610 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 19:41:37 +00:00
Michael J. Spencer
87e0697a46 System/Path/Windows: Change GetRootDirectory to return file:/// instead of C:/. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118502 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-09 15:10:45 +00:00
Dan Gohman
902da265f6 Add some comments noting some correspondences between ModRefBehavior 
values, LLVM IR function attributes, and LLVM intrinsic attributes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118455 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 23:46:02 +00:00
Devang Patel
2c4c6a5e8a Document parameters. Fix typos. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118424 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 18:28:34 +00:00
Dan Gohman
a25e5dbcc2 Extend the AliasAnalysis::pointsToConstantMemory interface to allow it 
to optionally look for constant or local (alloca) memory.

Teach BasicAliasAnalysis::pointsToConstantMemory to look through Select
and Phi nodes, and to support looking for local memory.

Remove FunctionAttrs' PointsToLocalOrConstantMemory function, now that
AliasAnalysis knows all the tricks that it knew.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118412 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 16:45:26 +00:00
Dan Gohman
c80cbf2540 Delete getIntrinsicModRefBehavior. Clients can just use the normal 
getModRefBehavior now, since it now understands intrinsics as well
as normal functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118411 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 16:11:19 +00:00
Dan Gohman
6c25c920e6 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118408 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 15:34:42 +00:00
Che-Liang Chiou
6da24ca51d Add registry hook for assembly text output 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118394 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-08 02:21:17 +00:00
Rafael Espindola
6bc6cd223c typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118376 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 13:48:10 +00:00
Rafael Espindola
9e07a149b0 Add method for checking if a path is a symbolic link. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@118367 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-11-07 04:36:50 +00:00