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Author SHA1 Message Date
Evan Cheng
cfe037000a Add documentation on sibling call optimization. Rename tailcall2.ll test to sibcall.ll. 
llvm-svn: 97980
 2010-03-08 21:05:02 +00:00
Devang Patel
a975a7e590 isNull() is not used any more. 
llvm-svn: 97979
 2010-03-08 21:00:27 +00:00
Devang Patel
176dc29a62 Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating checks in Descriptor constructors.

llvm-svn: 97975
 2010-03-08 20:52:55 +00:00
Andrew Lenharth
4f4af9d95c Iterator traits and swap. closes PR6548 and PR6549 
llvm-svn: 97974
 2010-03-08 20:45:52 +00:00
Erick Tryzelaar
939801510b Don't always run the ocaml kaleidoscope tutorials. 
llvm-svn: 97973
 2010-03-08 20:07:32 +00:00
John McCall
643489334d Revert r97726 and r97728 at ddunbar's request; we want to solve this 
some other way when it comes to be necessary.

llvm-svn: 97972
 2010-03-08 20:02:05 +00:00
Erick Tryzelaar
0e12fd5fc2 Add OCaml tutorial to the examples. 
llvm-svn: 97966
 2010-03-08 19:32:27 +00:00
Erick Tryzelaar
78095fc0b5 Update the OCaml Kaleidoscope tutorial. 
llvm-svn: 97965
 2010-03-08 19:32:18 +00:00
Devang Patel
a716e313d6 Revert r97947. 
llvm-svn: 97963
 2010-03-08 19:20:38 +00:00
Chris Lattner
014fa780b4 disambiguate some types, add a fixme about some 
inconsistent intrinsics.

llvm-svn: 97959
 2010-03-08 18:59:49 +00:00
Chris Lattner
006063d36e fix some more ambiguous patterns, remove another nontemporalstore 
pattern which is broken (source and address swapped).

llvm-svn: 97958
 2010-03-08 18:57:56 +00:00
Chris Lattner
6ba2e68770 Correct immediate sizes. 
llvm-svn: 97957
 2010-03-08 18:55:15 +00:00
Chris Lattner
b198628a6b fix a type compatibility bug. imm is i32 in the input 
pattern, not i64.

llvm-svn: 97956
 2010-03-08 18:52:55 +00:00
Chris Lattner
49ef2cd57b fix a bunch of partially ambiguous patterns on ARM. As an 
example, this:

(set DPR:$dst, (fsub (fneg (fmul DPR:$a, DPR:$b)), DPR:$dstin))

is ambiguous because DPR contains both f64 and v2f32.  tblgen
currently accidentally picks f64 because it's first in the 
regclass.

llvm-svn: 97955
 2010-03-08 18:51:21 +00:00
Chris Lattner
862cd1ca18 Fix a bunch of ambiguous patterns which tblgen happens to infer types 
for, due to a bug.

llvm-svn: 97953
 2010-03-08 18:44:04 +00:00
Chris Lattner
b5555f19f1 Node arguments to type casts can have names too. This code 
needs to be majorly refactored, but this spot bugfix allows
things like:

 def vmrghw_shuffle : PatFrag<(ops node:$lhs, node:$rhs),
                             (vector_shuffle (v4i32 node:$lhs), node:$rhs), [{
...

llvm-svn: 97952
 2010-03-08 18:36:19 +00:00
Chris Lattner
27862700e5 tidy up 
llvm-svn: 97950
 2010-03-08 18:29:38 +00:00
Devang Patel
1527b2657b Avoid using DIDescriptor.isNull(). 
This is a first step towards eliminating unncessary constructor checks in light weight DIDescriptor wrappers.

llvm-svn: 97947
 2010-03-08 18:25:48 +00:00
Dale Johannesen
b87c6c82e6 Add Order to SDDbgValue 
llvm-svn: 97939
 2010-03-08 05:39:50 +00:00
Dale Johannesen
d610f0a82a Fix dbg value handling in tail merging. 
llvm-svn: 97938
 2010-03-08 05:38:13 +00:00
Chris Lattner
9643f038b9 remove a non-temporal store pattern which is not tested and 
could never have matched because the operand list was backwards.

llvm-svn: 97933
 2010-03-08 03:18:28 +00:00
Douglas Gregor
c52fc8f922 Revert r97917, which was causing Clang Debug self-host failures. 
llvm-svn: 97932
 2010-03-08 02:58:37 +00:00
Jeffrey Yasskin
82f0356671 Roll back r97918 again. Just configuring against llvm-gcc wasn't enough to run 
the FrontendC* tests. :(

llvm-svn: 97921
 2010-03-07 19:26:40 +00:00
Jeffrey Yasskin
daae74ff0d Reapply r97788 to free MDNodes when the LLVMContext is destroyed. It 
bootstraps llvm-gcc this time.

llvm-svn: 97918
 2010-03-07 18:46:57 +00:00
Jeffrey Yasskin
2c23c1d1a1 Roll r97906 forward again, without double-deleting CompileUnit::IndexTyDie. 
llvm-svn: 97917
 2010-03-07 17:10:13 +00:00
Tobias Grosser
3d040891b0 Add findNearestCommonDominator() for PostDominators. 
Add a missing interface to be able to call findNearestCommonDominator
for a PostDominanceTree. The function itself is already implemented in
DominatorTreeBase. The interface however was only added to the
DominatorTree class, but not the PostDominatorClass.

llvm-svn: 97915
 2010-03-07 11:15:04 +00:00
Chris Lattner
f3ee582f23 Use Other as a sentinel instead of iAny. 
llvm-svn: 97914
 2010-03-07 07:45:08 +00:00
Chris Lattner
64622464c1 turn off debug spew 
llvm-svn: 97912
 2010-03-07 07:21:24 +00:00
Chris Lattner
c056e2020e more factoring. 
llvm-svn: 97911
 2010-03-07 07:20:49 +00:00
Jeffrey Yasskin
c68dc05867 _2_ gcc crashes, ah, ah, ah... 
(Rolling back r97906.)

llvm-svn: 97909
 2010-03-07 07:16:49 +00:00
Chris Lattner
1f91ca8a89 teach tblgen to be more aggressive when factoring CheckType nodes. 
Now it will factor things like this:

CheckType i32
  ...
CheckOpcode ISD::AND
  CheckType i64
  ...

into:

SwitchType:
  i32: ...
  i64:
    CheckOpcode ISD::AND
    ...

This shrinks hte table by a few bytes, nothing spectacular.

llvm-svn: 97908
 2010-03-07 07:01:28 +00:00
Jeffrey Yasskin
c0123f0033 Avoid leaking CompileUnits and DbgScopes from DwarfDebug. Leaks found by Valgrind! 
llvm-svn: 97906
 2010-03-07 06:55:35 +00:00
Chris Lattner
e0c81ed3a4 add some helper functions and implement isContradictory 
for CheckValueTypeMatcher.  The isContradictory implementation
helps us factor better, shrinking x86 table from 79144 -> 78896
bytes.

llvm-svn: 97905
 2010-03-07 06:29:26 +00:00
Chris Lattner
6dbe3336f9 tidy up 
llvm-svn: 97895
 2010-03-07 04:28:09 +00:00
Wesley Peck
bc2c6d7b1b Re-committing the failed r97807 commit with changes to eliminate warnings. 
llvm-svn: 97891
 2010-03-06 23:23:12 +00:00
Nick Lewycky
711ead8deb Add verification of union types. 
llvm-svn: 97889
 2010-03-06 20:26:48 +00:00
Anton Korobeynikov
f6f8265c1c Describe what's going on with mingw alloca and why do we need separate instruction. 
llvm-svn: 97888
 2010-03-06 20:07:32 +00:00
Anton Korobeynikov
e0e616a74d Initial bits of ARMv4-only support. 
Patch by John Tytgat!

llvm-svn: 97886
 2010-03-06 19:39:36 +00:00
Anton Korobeynikov
74dea2d5cb Lower dynamic stack allocation on mingw32 to separate instruction. 
We cannot use a normal call here since it has extra unmodelled side
effects (it changes stack pointer). This should fix PR5292.

llvm-svn: 97884
 2010-03-06 19:32:29 +00:00
Chris Lattner
a446775fd5 make APFloat::toString be const. 
llvm-svn: 97883
 2010-03-06 19:20:13 +00:00
Chris Lattner
eb142908d7 disable this for mingw as well, we really need a 'has no dynamic linking' predicate. 
llvm-svn: 97882
 2010-03-06 18:54:37 +00:00
Anton Korobeynikov
6c841e6a44 Do not use '&' prefix for globals when register base field is non-zero, otherwise msp430-as will silently miscompile the code (TI's assembler report an error though). 
This fixes PR6349

llvm-svn: 97877
 2010-03-06 11:41:12 +00:00
Eric Christopher
b7e9bf6e57 Let the fallthrough handle whether or not we've changed anything 
before we try to optimize.

llvm-svn: 97876
 2010-03-06 10:59:25 +00:00
Eric Christopher
a671e4f7aa Migrate _chk call lowering from SimplifyLibCalls to InstCombine. Stub 
out the remainder of the calls that we should lower in some way and
move the tests to the new correct directory. Fix up tests that are now
optimized more than they were before by -instcombine.

llvm-svn: 97875
 2010-03-06 10:50:38 +00:00
Rafael Espindola
59d5d39e8d Add static methods to handle Linkage Types. 
llvm-svn: 97871
 2010-03-06 07:22:39 +00:00
Chris Lattner
8e294fcf0a clean this up. 
llvm-svn: 97870
 2010-03-06 07:02:28 +00:00
Chris Lattner
b2ed5cb501 revert r97807, it introduced build warnings. 
llvm-svn: 97869
 2010-03-06 04:32:46 +00:00
Jim Grosbach
7d1602fb3b Thumb1 epilogue code generation needs to take into account that callee-saved 
registers may be restored via a pop instruction, not just a tRestore.
This fixes nightly test 471.omnetep for Thumb1.

llvm-svn: 97867
 2010-03-06 03:28:39 +00:00
Eric Christopher
b3f0926f84 Temporarily revert: 
Log:
Transform @llvm.objectsize to integer if the argument is a result of malloc of known size.

Modified:
   llvm/trunk/lib/Transforms/InstCombine/InstCombineCalls.cpp
   llvm/trunk/test/Transforms/InstCombine/objsize.ll

It appears to be causing swb and nightly test failures.

llvm-svn: 97866
 2010-03-06 03:11:35 +00:00
Dale Johannesen
6489147b8e Fix another case where LSR was affected by debug info. 
llvm-svn: 97865
 2010-03-06 02:45:26 +00:00