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27337 Commits

Author SHA1 Message Date
Chris Lattner
f270618038 Fix a long-standing bug and misfeature of the disassembler: when dealing with a 
stripped .bc file, it didn't make any attempt to try to reuse anonymous types.
This causes an amazing type explosion due to types getting duplicated everywhere
they are referenced and other problems.

This also caused correctness issues, because opaque types are unique for each time
they are uttered in the file.  This means that stripping a .bc file could produce
a .ll file that could not be assembled (e.g. 2009-02-28-StripOpaqueName.ll).

This patch fixes both of these issues.

llvm-svn: 65738
 2009-03-01 00:03:38 +00:00
Chris Lattner
1a7eac8434 move type name population out of TypePrinting class into a static 
AsmWriter.cpp method.

llvm-svn: 65736
 2009-02-28 23:20:19 +00:00
Chris Lattner
666bf65fa3 switch to densemap for pointer->word map. 
llvm-svn: 65735
 2009-02-28 23:03:55 +00:00
Chris Lattner
2396ce476a delete a bunch of duplicated type printing logic, using the type printing 
stuff in AsmWriter.cpp for Type::getDescription().

llvm-svn: 65734
 2009-02-28 23:01:57 +00:00
Chris Lattner
2b04164c1d make this work when constructed with a null module* 
llvm-svn: 65733
 2009-02-28 23:01:30 +00:00
Chris Lattner
03e16b833f expose TypePrinting as a public API. 
llvm-svn: 65729
 2009-02-28 22:34:45 +00:00
Chris Lattner
5b8bf4f327 rename 'Result' to 'OS' in CalcTypeName for consistency 
llvm-svn: 65724
 2009-02-28 21:27:31 +00:00
Chris Lattner
5eaaf4a96d do not embed the raw_ostream into TypePrinting, pass it as an argument to print etc. 
llvm-svn: 65723
 2009-02-28 21:26:53 +00:00
Chris Lattner
e0a45a4296 stop calling Type::getDescription(). 
llvm-svn: 65722
 2009-02-28 21:18:43 +00:00
Chris Lattner
c75ef1bf12 simplifications 
llvm-svn: 65721
 2009-02-28 21:11:05 +00:00
Chris Lattner
f47615197e Change WriteTypeSymbolic to not put a space out before types, also, remove 
the old std::ostream version.

llvm-svn: 65720
 2009-02-28 21:05:51 +00:00
Chris Lattner
9e0c90d568 make CalcTypeName take a stream instead of a string to concat onto, 
eliminate redundant opaque handling code.

llvm-svn: 65716
 2009-02-28 20:49:40 +00:00
Chris Lattner
e89d5cf8ea remove a bunch of nearly-duplicated code. 
llvm-svn: 65715
 2009-02-28 20:40:29 +00:00
Chris Lattner
6a44ecb340 fix indentation, remove dead integer case. 
llvm-svn: 65714
 2009-02-28 20:35:42 +00:00
Chris Lattner
ad8d445e97 pull calcTypeName into TypePrinting class, make its type stack 
be a smallvector instead of vector.

llvm-svn: 65713
 2009-02-28 20:34:19 +00:00
Chris Lattner
e0fb715ace inline method into its only use and simplify the result. 
llvm-svn: 65712
 2009-02-28 20:31:14 +00:00
Chris Lattner
0d6a6602c5 simplify condition 
llvm-svn: 65711
 2009-02-28 20:28:50 +00:00
Chris Lattner
9fd658a250 start refactoring the .ll printer: introduce a new TypePrinting class 
and move all related stuff to it.

llvm-svn: 65710
 2009-02-28 20:25:14 +00:00
Chris Lattner
af8467a57f reject 0 element vectors with: 
@a = internal constant void bitcast(<0 x i8> <> to void)
                                     ^

Fixes PR3685

llvm-svn: 65698
 2009-02-28 18:12:41 +00:00
Evan Cheng
9c3ce7905e Last commit accidentially deleted this code. 
llvm-svn: 65679
 2009-02-28 06:02:14 +00:00
Mon P Wang
0258a27c5a Added another darwin subtarget 
llvm-svn: 65662
 2009-02-28 00:25:30 +00:00
Devang Patel
c908eb0dba It is possible that subprgoram definition is only encoding return value directly, instsad of an DIArray of all argument types. 
llvm-svn: 65643
 2009-02-27 18:05:21 +00:00
Rafael Espindola
880e63bf01 Refactor TLS code and add some tests. The tests and expected results are: 
pic |  declaration | linkage  | visibility |

!pic |  declaration | external | default    | tls1.ll     tls2.ll     | local exec
 pic |  declaration | external | default    | tls1-pic.ll tls2-pic.ll | general dynamic
!pic | !declaration | external | default    | tls3.ll     tls4.ll     | initial exec
 pic | !declaration | external | default    | tls3-pic.ll tls4-pic.ll | general dynamic

!pic |  declaration | external | hidden     | tls7.ll     tls8.ll     | local exec
 pic |  declaration | external | hidden     | X                       | local dynamic
!pic | !declaration | external | hidden     | tls9.ll     tls10.ll    | local exec
 pic | !declaration | external | hidden     | X                       | local dynamic

!pic |  declaration | internal | default    | tls5.ll     tls6.ll     | local exec
 pic |  declaration | internal | default    | X                       | local dynamic

The ones marked with an X have not been implemented since local dynamic is not implemented.

llvm-svn: 65632
 2009-02-27 13:37:18 +00:00
Gabor Greif
9b51fe4ab1 Introduce a new technique for merging BasicBlock with Instruction sentinel by superposition. 
This looks dangerous, but isn't because the sentinel is accessed in special way only,
namely the Next and Prev fields of it, and these are guaranteed to exist.

llvm-svn: 65626
 2009-02-27 08:41:37 +00:00
Nick Lewycky
44b8675102 Silence compiler warning about use of uninitialized variables (in reality these 
are always set by reference on the path that uses them.) No functional change.

llvm-svn: 65621
 2009-02-27 06:37:39 +00:00
Nick Lewycky
f5563f28d3 Fix compiler warning about uninitialized variables. No functional change. 
llvm-svn: 65620
 2009-02-27 06:29:31 +00:00
Dale Johannesen
8f76578347 Alignment values for i64 and f64 on ppc64 were wrong, 
possibly for the reason suggested by the comment.
No wonder it didn't work very well.  This unblocks
bootstrap with assertions on ppc.

llvm-svn: 65601
 2009-02-27 00:56:35 +00:00
Evan Cheng
0ca6e3dba5 MachineLICM CSE should match destination register classes; avoid hoisting implicit_def's. 
llvm-svn: 65592
 2009-02-27 00:02:22 +00:00
Zhou Sheng
670d50e102 Ignore dbg info intrinsics when folding conditional branch to 
conditional branch predecessors.

llvm-svn: 65509
 2009-02-26 06:56:37 +00:00
Owen Anderson
32d31bc5cc Enable stack slot coloring DCE. Evan's spiller fixes were needed before this could happen. 
llvm-svn: 65501
 2009-02-26 04:47:57 +00:00
Evan Cheng
4014a9a5b8 ADDS{D|S}rr_Int and MULS{D|S}rr_Int are not commutable. The users of these intrinsics expect the high bits will not be modified. 
llvm-svn: 65499
 2009-02-26 03:12:02 +00:00
Evan Cheng
86fc9440db The last commit was overly conservative. It's ok to reuse value that's already marked livein. 
llvm-svn: 65498
 2009-02-26 03:02:21 +00:00
Evan Cheng
435dbd4665 If an available register falls through to a succ block, unset the last kill. Sorry, it's impossible to reduce a sensible test case. It basically requires the moon and stars to align in order to cause a failure. 
llvm-svn: 65497
 2009-02-26 02:30:42 +00:00
Evan Cheng
ec34226c2b Revert BuildVectorSDNode related patches: 65426, 65427, and 65296. 
llvm-svn: 65482
 2009-02-25 22:49:59 +00:00
Dale Johannesen
9a6ca304f1 Fix big-endian codegen bug. We're splitting up 
overly long ints, e.g. i96, into pieces at PHIs
and the nodes that feed into them; however big-endian
reverses the order of the pieces (for some reason), and
wasn't doing it the same way on both sides, so
the pieces didn't match and runtime failures ensued.
Fixes 188.ammp and sqlite3 on ppc32.

llvm-svn: 65481
 2009-02-25 22:39:13 +00:00
Devang Patel
2fd41ecef5 Print variable's display name in dwarf DIE. 
llvm-svn: 65468
 2009-02-25 19:41:35 +00:00
Chris Lattner
1443cb8f77 Fix PR3667 
llvm-svn: 65464
 2009-02-25 18:20:01 +00:00
Zhou Sheng
241d74737b Don't block basic block with only SwitchInst to fold into predecessors. 
llvm-svn: 65456
 2009-02-25 15:34:27 +00:00
Evan Cheng
befebff8fc Clean up dwarf writer, part 1. This eliminated the horrible recursive getGlobalVariablesUsing and replaced it something readable. It eliminated use of slow UniqueVector and replaced it with StringMap, SmallVector, and DenseMap, etc. It also fixed some non-deterministic behavior. 
This is a very minor compile time win.

llvm-svn: 65438
 2009-02-25 07:04:34 +00:00
Nick Lewycky
8672fb675c Add a totally synthetic situation I came up with while looking at a bug in 
related code.

llvm-svn: 65437
 2009-02-25 06:52:48 +00:00
Scott Michel
3f273a8412 Expand tabs to spaces (overlooked in previous commit) 
llvm-svn: 65427
 2009-02-25 03:57:49 +00:00
Scott Michel
29d7559c09 Remove all "cached" data from BuildVectorSDNode, preferring to retrieve 
results via reference parameters.

This patch also appears to fix Evan's reported problem supplied as a
reduced bugpoint test case.

llvm-svn: 65426
 2009-02-25 03:12:50 +00:00
Mon P Wang
c9b4dab417 Added support to have TableGen provide information if an intrinsic (core 
or target) can be overloaded or not.

llvm-svn: 65404
 2009-02-24 23:17:49 +00:00
Devang Patel
936c18daca If compile unit's language is not set then don't crash while dump'ing compile unit. 
llvm-svn: 65402
 2009-02-24 23:15:09 +00:00
Daniel Dunbar
d5e0934e30 Extension of GEP in constant folder was broken (apparently this code 
has never been run!).
 - Sorry, don't know how to make an LLVM test case for this.

llvm-svn: 65383
 2009-02-24 19:10:46 +00:00
Dan Gohman
dd9c79d45b Rename ScalarEvolution's getIterationCount to getBackedgeTakenCount, 
to more accurately describe what it does. Expand its doxygen comment
to describe what the backedge-taken count is and how it differs
from the actual iteration count of the loop. Adjust names and
comments in associated code accordingly.

llvm-svn: 65382
 2009-02-24 18:55:53 +00:00
Bill Wendling
9d4eb136da Overhaul my earlier submission due to feedback. It's a large patch, but most of 
them are generic changes.

- Use the "fast" flag that's already being passed into the asm printers instead
  of shoving it into the DwarfWriter.

- Instead of calling "MI->getParent()->getParent()" for every MI, set the
  machine function when calling "runOnMachineFunction" in the asm printers.

llvm-svn: 65379
 2009-02-24 08:30:20 +00:00
Owen Anderson
ffcb59129f Add a debugging option for SSC DCE. 
llvm-svn: 65375
 2009-02-24 05:44:18 +00:00
Bill Wendling
0d8316c5e0 - Use the "Fast" flag instead of "OptimizeForSize" to determine whether to emit 
a DBG_LABEL or not. We want to fall back to the original way of emitting debug
  info when we're in -O0/-fast mode.
- Add plumbing in to pass the "Fast" flag to places that need it.
- XFAIL DebugInfo/deaddebuglabel.ll. This is finding 11 labels instead of 8. I
  need to investigate still.

llvm-svn: 65367
 2009-02-24 02:35:30 +00:00
Dan Gohman
1197d46ccf Fix a ValueTracking rule: RHS means operand 1, not 0. Add a simple 
ashr instcombine to help expose this code. And apply the fix to
SelectionDAG's copy of this code too.

llvm-svn: 65364
 2009-02-24 02:00:40 +00:00