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Commit Graph

33568 Commits

Author SHA1 Message Date
Mike Stump
c2b669b3b2 Fix for 64-bit builds.
llvm-svn: 86600
2009-11-09 22:28:21 +00:00
Bill Wendling
86f32da164 Similar to r86588, but for Darwin this time.
llvm-svn: 86592
2009-11-09 21:45:26 +00:00
Bill Wendling
fab993b096 The jump table was being generated before the end label for exception handling
was generated. This caused code like this:

## The asm code for the function
        .section        __TEXT,__const
        .align  2
lJTI11_0:
LJTI11_0:
        .long    LBB11_16
        .long    LBB11_4
        .long    LBB11_5
        .long    LBB11_6
        .long    LBB11_7
        .long    LBB11_8
        .long    LBB11_9
        .long    LBB11_10
        .long    LBB11_11
        .long    LBB11_12
        .long    LBB11_13
        .long    LBB11_14
Leh_func_end11:   ## <---now in the wrong section!

The `Leh_func_end11' would then end up in the wrong section, causing the
resulting EH frame information to be wrong:

__ZL11CheckRightsjPKcbRbRP6NSData.eh:
    .set    Lset500eh,Leh_frame_end11-Leh_frame_begin11
    .long   Lset500eh  ; Length of Frame Information Entry                                                                                                                   
Leh_frame_begin11:
    .long   Leh_frame_begin11-Leh_frame_common
    .long   Leh_func_begin11-.
    .set    Lset501eh,Leh_func_end11-Leh_func_begin11
    .long   Lset501eh                                   ; FDE address range                                                                                                                                   
`Lset501eh' is now something huge instead of the real value.

The X86 back-end generates the jump table after the EH information is
emitted. Do the same here.

llvm-svn: 86588
2009-11-09 21:20:14 +00:00
Dan Gohman
c64e578e5a Print "..." instead of all the uninteresting register clobbers on call
instructions. This makes CodeGen dumps significantly less noisy.

Example before:
  BL <ga:@bar>, %R0<imp-def>, %R1<imp-def,dead>, %R2<imp-def,dead>, %R3<imp-def,dead>, %R12<imp-def,dead>, %LR<imp-def,dead>, %D0<imp-def,dead>, %D1<imp-def,dead>, %D2<imp-def,dead>, %D3<imp-def,dead>, %D4<imp-def,dead>, %D5<imp-def,dead>, %D6<imp-def,dead>, %D7<imp-def,dead>, %D16<imp-def,dead>, %D17<imp-def,dead>, %D18<imp-def,dead>, %D19<imp-def,dead>, %D20<imp-def,dead>, %D21<imp-def,dead>, %D22<imp-def,dead>, %D23<imp-def,dead>, %D24<imp-def,dead>, %D25<imp-def,dead>, %D26<imp-def,dead>, %D27<imp-def,dead>, %D28<imp-def,dead>, %D29<imp-def,dead>, %D30<imp-def,dead>, %D31<imp-def,dead>, %CPSR<imp-def,dead>, %FPSCR<imp-def,dead>

Same example after:
  BL <ga:@bar>, %R0<imp-def>, %R1<imp-def,dead>, %LR<imp-def,dead>, %CPSR<imp-def,dead>, ...

llvm-svn: 86583
2009-11-09 19:38:45 +00:00
Dan Gohman
6780148e20 Default-addressspace null pointers don't alias anything. This allows
GVN to be more aggressive. Patch by Hans Wennborg! (with a comment added by me)

llvm-svn: 86582
2009-11-09 19:29:11 +00:00
David Goodwin
2c17fdab6d Fix dependencies added to model memory aliasing for post-RA scheduling. The dependencies were overly conservative for memory access that are known not to alias.
llvm-svn: 86580
2009-11-09 19:22:17 +00:00
Dan Gohman
7010cad26a Fix a comment in a typo that Duncan noticed.
llvm-svn: 86575
2009-11-09 18:59:22 +00:00
Dan Gohman
457b8bad4e Generalize LCSSA to handle loops with exits with predecessors outside
the loop. This is needed because with indirectbr it may not be possible
for LoopSimplify to guarantee that all loop exit predecessors are
inside the loop. This fixes PR5437.

LCCSA no longer actually requires LoopSimplify form, but for now it
must still have the dependency because the PassManager doesn't know
how to schedule LoopSimplify otherwise.

llvm-svn: 86569
2009-11-09 18:28:24 +00:00
Dan Gohman
68d528963c Minor tidiness fixes.
llvm-svn: 86565
2009-11-09 18:19:43 +00:00
Dan Gohman
8ef26198d2 Constify MachineFunctionAnalysis' TargetMachine reference.
llvm-svn: 86564
2009-11-09 18:18:49 +00:00
Nuno Lopes
5b15b50af4 add zextOrTrunc and sextOrTrunc methods, that are similar to the ones in APInt
llvm-svn: 86549
2009-11-09 15:36:28 +00:00
Jim Grosbach
5b33ce12e3 Work around assembler not recognizing #0.0 form immediate for vmcp
llvm-svn: 86548
2009-11-09 15:27:51 +00:00
Xerxes Ranby
57e81f28c1 Make lib/Support/Debug.cpp SetCurrentDebugType implementation part of llvm namespace to match function declaration in Debug.h.
llvm-svn: 86544
2009-11-09 14:50:34 +00:00
Bruno Cardoso Lopes
8bedc8bf3b Fix PR5149.
http://llvm.org/bugs/show_bug.cgi?id=5149

llvm-svn: 86543
2009-11-09 14:27:49 +00:00
Chris Lattner
91fe2102eb make this handle redefinition of malloc with different prototype correctly.
llvm-svn: 86525
2009-11-09 07:12:01 +00:00
Chris Lattner
f2b3c795fd if a 'with overflow' intrinsic just has the normal result used, simplify
it to a normal binop.  Patch by Alastair Lynn, testcase by me.

llvm-svn: 86524
2009-11-09 07:07:56 +00:00
Evan Cheng
e3acd9adb5 Hide a couple of options.
llvm-svn: 86522
2009-11-09 06:49:37 +00:00
Evan Cheng
4cd6cb4137 80 col.
llvm-svn: 86521
2009-11-09 06:49:22 +00:00
Chris Lattner
aaa7706cd5 fix PR5104: when printing a single character, return the result of
putchar in case there is an error.

llvm-svn: 86515
2009-11-09 04:57:04 +00:00
Chris Lattner
6c38ec917d random tidy
llvm-svn: 86511
2009-11-09 04:18:23 +00:00
Chris Lattner
c7f4a1df29 remove a redundant printout, LinkInArchive prints this as well.
llvm-svn: 86510
2009-11-09 04:15:28 +00:00
Chris Lattner
5a3a41a757 enhance PHI slicing to handle the case when a slicable PHI is begin
used by a chain of other PHIs.

llvm-svn: 86503
2009-11-09 01:38:00 +00:00
Owen Anderson
bbbb62a090 Small cleanups.
llvm-svn: 86499
2009-11-09 00:48:15 +00:00
Owen Anderson
7ac0e198c3 Revert my previous patch to ABCD and fix things the right way. There are two problems addressed
here:

1) We need to avoid processing sigma nodes as phi nodes for constraint generation.
2) We need to generate constraints for comparisons against constants properly.

This includes our first working ABCD test!

llvm-svn: 86498
2009-11-09 00:44:44 +00:00
Chris Lattner
fe6b17a13a comment typos pointed out by Duncan
llvm-svn: 86497
2009-11-09 00:41:49 +00:00
Jim Grosbach
ea6c9c17f5 Use Unified Assembly Syntax for the ARM backend.
llvm-svn: 86494
2009-11-09 00:11:35 +00:00
Owen Anderson
045615edfb Fix an issue where the ordering of blocks within a function could lead to different constraint
graphs being produced.  The cause was that we were incorrectly marking sigma instructions as
processed after handling the sigma-specific constraints for them, potentially neglecting to
process them as normal instructions as well.

Unfortunately, the testcase that inspired this still doesn't work because of a bug in the solver,
which is next on the list to debug.

llvm-svn: 86486
2009-11-08 22:36:55 +00:00
Chris Lattner
6c67b00026 Teach an instcombine to not pull trunc instructions through PHI nodes
when both the source and dest are illegal types, since it would cause
the phi to grow (for example, we shouldn't transform test14b's phi to
a phi on i320).  This fixes an infinite loop on i686 bootstrap with
phi slicing turned on, so turn it back on.

llvm-svn: 86483
2009-11-08 21:20:06 +00:00
Duncan Sands
de498ef6ec Revert commit 81144, and add a comment. It caused bugpoint timeouts
not to work any more on linux.

llvm-svn: 86481
2009-11-08 20:55:48 +00:00
Chris Lattner
11b6e3c1eb reapply r8644[3-5] with only the scary part
(SliceUpIllegalIntegerPHI) disabled.

llvm-svn: 86480
2009-11-08 19:23:30 +00:00
Daniel Dunbar
1543f2c26f Speculatively revert r8644[3-5], they seem to be leading to infinite loops in
llvm-gcc bootstrap.

llvm-svn: 86478
2009-11-08 17:52:47 +00:00
Anton Korobeynikov
552b831b91 Add and-not (bic) patterns. Based heavily on patch by Brian Lucas!
llvm-svn: 86471
2009-11-08 15:33:12 +00:00
Anton Korobeynikov
ff23fbb6c0 Move OR patterns upper to all logical stuff. No functionality change.
llvm-svn: 86470
2009-11-08 15:32:44 +00:00
Anton Korobeynikov
79aadcfa1a Some nice peephole patterns. Based on patch by Brian Lucas!
llvm-svn: 86469
2009-11-08 15:32:28 +00:00
Anton Korobeynikov
aaf4cc8e92 Print tab before operand of jcc
llvm-svn: 86468
2009-11-08 15:32:11 +00:00
Anton Korobeynikov
6f4ee0efe1 Fix invalid operand updates & implement post-inc memory operands
llvm-svn: 86466
2009-11-08 14:27:38 +00:00
Anton Korobeynikov
6dffe6ebbf Throw an error when stack realignment stuff fails instead of silent
code miscompilation

llvm-svn: 86463
2009-11-08 12:58:40 +00:00
Daniel Dunbar
c2a6a7dea5 Remove ByteswapSCANFResults, it is dead.
llvm-svn: 86458
2009-11-08 09:46:57 +00:00
Lang Hames
3126c532b2 Moved some ManagedStatics out of the SlotIndexes header.
llvm-svn: 86446
2009-11-08 08:49:59 +00:00
Chris Lattner
cddc8aa1b8 teach a couple of instcombine transformations involving PHIs to
not turn a PHI in a legal type into a PHI of an illegal type, and
add a new optimization that breaks up insane integer PHI nodes into
small pieces (PR3451).

llvm-svn: 86443
2009-11-08 08:21:13 +00:00
Nick Lewycky
1909b23533 We don't need to byteswap, the interpreter assumes the program is running
native anyways. This fixes a crash using %d and similar in a scanf statement.

llvm-svn: 86440
2009-11-08 05:45:04 +00:00
Chris Lattner
4c9a0e33f0 Make TargetData::getStringRepresentation spit out native integer types,
this gives llvm-gcc generated modules the right data.

llvm-svn: 86435
2009-11-08 02:32:01 +00:00
Nick Lewycky
21dd3f31b0 Fix the interpreter to not crash due to zeroext/signext
llvm-svn: 86428
2009-11-08 00:45:29 +00:00
Jim Grosbach
53aa92f766 Use aligned load/store instructions for spilling Q registers when we know the stack slot is 128 bit aligned
llvm-svn: 86425
2009-11-08 00:27:19 +00:00
Evan Cheng
069209cf6b Refactor code.
llvm-svn: 86423
2009-11-08 00:15:23 +00:00
Daniel Dunbar
15c86ad832 Fix MSVC warning ( | with bool and unsigned int).
llvm-svn: 86417
2009-11-07 23:51:55 +00:00
Nate Begeman
49d93dc6d1 x86 vector shuffle cleanup/fixes:
1. rename the movhp patfrag to movlhps, since thats what it actually matches
2. eliminate the bogus movhps load and store patterns, they were incorrect.  The load transforms are already handled (correctly) by shufps/unpack.
3. revert a recent test change to its correct form.

llvm-svn: 86415
2009-11-07 23:17:15 +00:00
Jim Grosbach
7152d0423b 80-column cleanup of file header comments
llvm-svn: 86408
2009-11-07 22:00:39 +00:00
Jim Grosbach
73c1e315e1 Support alignment specifier for NEON vld/vst instructions
llvm-svn: 86404
2009-11-07 21:25:39 +00:00
Nick Lewycky
2b3ac2b1a7 Improve tail call elimination to handle the switch statement.
llvm-svn: 86403
2009-11-07 21:10:15 +00:00