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19029 Commits

Author SHA1 Message Date
Duncan Sands
73ef58ab92 Integrate exception filter support and exception catch support. This 
simplifies the code in DwarfWriter, allows for multiple filters and
makes it trivial to specify filters accompanied by cleanups or catch-all
specifications (see next patch).  What a deal!  Patch blessed by Anton.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37398 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-02 16:53:42 +00:00
Zhou Sheng
02031c0ff8 Make LowerCTPOP() support arbitrary bitwidth integer type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37397 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-02 04:10:33 +00:00
Dale Johannesen
8e63bf375d Fix CorrectExtraCFGEdges to allow for multiple LandingPad targets. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37394 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-02 00:08:15 +00:00
Dale Johannesen
b468163869 Fancier algorithm in tail-merge comment implemented, so remove comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37393 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 23:04:28 +00:00
Dale Johannesen
a5a2117a46 Implement smarter algorithm for choosing which blocks to tail-merge. 
See test/CodeGen/X86/test-pic-jtbl.ll for a case where it works well;
shaves another 10K off our favorite benchmark.  I was hesitant about
this because of compile speed, but seems to do OK on a bootstrap.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37392 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 23:02:45 +00:00
Reid Spencer
e770787be1 For PR1486: 
Avoid overwriting the APInt instance with 0 bytes which causes the bitwidth
to be set to 0 (illegal) producing a subsequent assert.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37391 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 22:23:29 +00:00
Devang Patel
e7ae1a9dee Insert new instructions in AliasSet. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37390 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 22:15:31 +00:00
Owen Anderson
aa7d3351f0 clean() needs to process things in topological order. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37389 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 22:00:37 +00:00
Evan Cheng
c354334ac4 Opcode modifier s comes after condition code. e.g. addlts, not addslt. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37388 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 20:51:29 +00:00
Evan Cheng
b5a0690788 Correctly mark early-exit on the false path. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37387 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 20:29:21 +00:00
Owen Anderson
8e21fb7df8 Fix Expression comparison, which in turn fixes a value numbering error. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37386 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 17:34:47 +00:00
Evan Cheng
144fd1ff0f Set ARM ifcvt duplication limit to 3 for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37385 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 08:28:59 +00:00
Duncan Sands
398898cc6a Since TypeInfos are passed as i8 pointers, a NULL TypeInfo should be passed 
as a null i8 pointer not as a 0 i32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37383 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 08:18:30 +00:00
Evan Cheng
8c52938e44 Ifcvt triangle: don't ifcvt 'true' BB if it has other predecessors; don't merge 'false' BB if it has other predecessors. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37382 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 07:41:07 +00:00
Evan Cheng
df4da14948 Make jumptable non-predicable for now. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37381 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 00:56:15 +00:00
Evan Cheng
fe57a7e4df Remove a bogus check. Even terminators in a ifcvt need to be predicated. Unconditional branches can usually be converted to conditional ones. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37380 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 00:55:26 +00:00
Evan Cheng
5f70218c75 Allow multiple ifcvt candidates to share children blocks; add some debugging code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37379 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-06-01 00:12:12 +00:00
Owen Anderson
243f348c2a Add a topological sort function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37376 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-31 22:44:11 +00:00
Dale Johannesen
a52dd15137 Arrange for only 1 of multiple branches to landing pad to be kept. 
Do not remove empty landing pads (EH table needs to be updated)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37375 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-31 21:54:00 +00:00
Evan Cheng
f15d44cc10 Fix a typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37374 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-31 20:53:33 +00:00
Chris Lattner
3a4205367d Fix the asmprinter so that a globalvalue can specify an explicit alignment 
smaller than the preferred alignment, but so that the target can actually
specify a minimum alignment if needed.  This fixes some objc protocol
failures Devang tracked down.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-31 18:57:45 +00:00
Lauro Ramos Venancio
8d410b6938 Fix PR1424. 
When a function has FP, the register scavenging spill slot offset already
was calculated.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-31 18:27:58 +00:00
Owen Anderson
8214d50338 Attempt to fix up phi_translate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37366 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-31 00:42:15 +00:00
Evan Cheng
8258210ed4 Change traversal order to bottom up in preparation for more aggressive if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37365 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 19:49:19 +00:00
Chris Lattner
4e7e6cd13a Fix CodeGen/PowerPC/2007-05-30-dagcombine-miscomp.ll, and PR1473. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37362 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 16:30:06 +00:00
Devang Patel
f38ac5dd39 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37360 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 15:29:37 +00:00
Chris Lattner
39a1c04323 Fix Transforms/ScalarRepl/2007-05-29-MemcpyPreserve.ll and the second 
half of PR1421, by not decimating structs with holes that are the source and
destination of a memcpy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37358 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 06:11:23 +00:00
Dale Johannesen
44008c5918 Changed per review comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37355 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-30 00:32:01 +00:00
Dale Johannesen
95ef406e0f Make stable_sort in tail merging actually be stable (it never was, but didn't 
matter until my last change).  Reenable tail merging by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37354 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:47:50 +00:00
Evan Cheng
58fbb9f5ba Don't merge in tail block of a diamond if it has more than one predecessors after if-conversion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37353 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:37:20 +00:00
Evan Cheng
c6f2f6fbb9 For VFP2 fldm, fstm instructions, the condition code is printed after the address mode and size specifier. e.g. fstmiaseq, not fstmeqias. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37351 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:34:19 +00:00
Owen Anderson
2c0c51593d Fix a typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37350 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:34:14 +00:00
Evan Cheng
fd488edb1d For ldrb, strh, etc., the condition code is before the width specifier. e.g. streqh, not strheq. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37349 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:32:06 +00:00
Owen Anderson
e3072b292f Re-fix a bug, where I was now being too aggressive. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:26:30 +00:00
Owen Anderson
cdf8efde6a Use proper debugging facilities so other people don't have to look at my commented-out 
debugging lines.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 23:15:21 +00:00
Owen Anderson
9b6bd12ef0 Comment debug code out that I accidentally uncommented last time. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37346 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 22:43:03 +00:00
Owen Anderson
b502bdb604 Add a place where I missed using the maximal set. Note that using the maximal 
set this way is _SLOW_.  Somewhere down the line, I'll look at speeding it up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37345 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 22:35:41 +00:00
Evan Cheng
c8ed9badfa If there is an empty block between a source and its successor block, it still requires a unconditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37344 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 22:31:16 +00:00
Owen Anderson
ea12a06a81 Very first part of a GVN-PRE implementation. It currently performs a bunch of analysis, and nothing more. It is also quite slow for the moment. However, 
it should give a sense of what's going on.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37343 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 21:53:49 +00:00
Evan Cheng
62ccdbf0b3 Add missing const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37342 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 18:42:18 +00:00
Evan Cheng
f277ee4be7 Add missing const qualifiers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37341 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 18:35:22 +00:00
Nicolas Geoffray
2fb813d70b Implementation of compilation callback in PPC ELF32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37340 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-29 16:33:18 +00:00
Zhou Sheng
924361aef9 Correct the logic in LowerPartSet which cleared the bits from 0 to low-1. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37331 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-26 03:43:13 +00:00
Chris Lattner
3adf951364 tighten up recursion depth again 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37330 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-25 02:19:06 +00:00
Evan Cheng
4bec8ae694 Silly boog. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37328 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-25 00:59:01 +00:00
Chris Lattner
7139406707 Fix PR1446 by not scalarrepl'ing giant structures. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37326 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 18:43:04 +00:00
Dale Johannesen
035fdeb370 Blocks that cond-br and uncond-br/fallthrough to same block should have 
only one successor.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37324 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 18:31:55 +00:00
Dale Johannesen
de0963df42 Fix for PR1444: do not create two successors to the same block. 
Temporarily, this breaks CodeGen/Generic/2006-02-12-InsertLibraryCall.ll
by exposing an unrelated latent problem; working on that.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 17:39:32 +00:00
Zhou Sheng
849c5b4537 Compute the correct word number. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 15:03:18 +00:00
Dan Gohman
fa73ea2d9f Minor comment cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37321 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-05-24 14:36:04 +00:00