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Author SHA1 Message Date
Nate Begeman
49dddb273d Remove a comment that no longer applies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25167 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-10 00:15:59 +00:00
Chris Lattner
da6d20f0c1 Give PPCISD:: nodes legible names in dumps. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25166 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 23:52:17 +00:00
Chris Lattner
de387ce810 Fix an exponential function in libcall insertion to not be exponential. :) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25165 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 23:21:49 +00:00
Chris Lattner
e5cf122869 add ret void support back 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25164 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 23:20:37 +00:00
Evan Cheng
510e478098 * Added undef patterns. 
* Some reorg.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25163 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 23:10:28 +00:00
Evan Cheng
910cd3cfa2 More typos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25162 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 22:29:54 +00:00
Evan Cheng
82a24b9813 typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25160 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 20:49:21 +00:00
Andrew Lenharth
f7c4bd65c0 proper branch not equal sequence 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25159 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 19:49:58 +00:00
Evan Cheng
e3413160ca Support for ADD_PARTS, SUB_PARTS, SHL_PARTS, SHR_PARTS, and SRA_PARTS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25158 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 18:33:28 +00:00
Evan Cheng
05a2d568c6 * Allow custom lowering of ADD_PARTS, SUB_PARTS, SHL_PARTS, SRA_PARTS, 
and SRL_PARTS.
* Fix a bug that caused *_PARTS to be custom lowered twice.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25157 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 18:31:59 +00:00
Evan Cheng
909addffc3 New getNode() variants. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25156 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 18:29:18 +00:00
Evan Cheng
6da8d99f70 New DAG node properties SNDPInFlag, SNDPOutFlag, and SNDPOptInFlag to replace 
hasInFlag, hasOutFlag.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25155 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 18:28:21 +00:00
Evan Cheng
51fecc80f7 * Remove instruction fields hasInFlag / hasOutFlag and added SNDPInFlag and 
SNDPOutFlag to DAG nodes. These properties do not belong to target specific
instructions.
* Added DAG node property SNDPOptInFlag. It's same as SNDPInFlag except it's
optional. Used by ret / call, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25154 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 18:27:06 +00:00
Chris Lattner
baec98d00b Teach loopsimplify to update et-forest. Patch contributed by Daniel Berlin! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25153 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 08:03:08 +00:00
Chris Lattner
6b135b74bd Bugfix for etforest updating. Contributed by Daniel Berlin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25152 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-09 07:58:01 +00:00
Reid Spencer
d41c981c39 Saem Ghani's PassManager Patch #8: 
This fixes a "gccass" regression. The -debug-pass=Structure option now
prints all the appropriate output


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25151 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 22:57:07 +00:00
Reid Spencer
13a0b6b58f Add some documentation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25150 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 22:41:22 +00:00
Reid Spencer
de83cee28b Fix line length of a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25149 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 22:40:10 +00:00
Jeff Cohen
ce8d090b84 Visual Studio hates being left out. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25148 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 18:29:44 +00:00
Chris Lattner
e8605a475f Fix the build on platforms where <cassert> doesn't define NULL 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25147 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 09:10:46 +00:00
Chris Lattner
10673b63b0 Fix a problem exposed by the et-forest work. Load-vn needs these passes live 
whenever it is live, not just when load-vn is computed initially


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25146 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 09:10:04 +00:00
Chris Lattner
4e6b17a41b Add an entry 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25145 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 08:25:38 +00:00
Chris Lattner
ccacd3ccc2 Initial implementation of the ET-Forest data structure for dominators and 
post-dominators.  This code was written/adapted by Daniel Berlin!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25144 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 08:22:18 +00:00
Chris Lattner
e00ab70c18 Fix out of date comments, patch by Marco Matthies. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25143 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-08 02:32:52 +00:00
Chris Lattner
d659360e58 Patch #7 from Saem: 
"added the asserts and casts, fixed the comments and started the break
down of the larger methods.  A few more patches and the breakdown
should be complete."


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25142 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-07 23:16:58 +00:00
Chris Lattner
5fe0e28650 Fix the PPC JIT failures last night, which were due to mishandling of linkonce globals 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25141 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-07 06:22:16 +00:00
Chris Lattner
2199877563 Wrap long lines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25140 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-07 06:20:51 +00:00
Chris Lattner
51e6a38b86 wrap long line 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25139 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-07 06:12:07 +00:00
Chris Lattner
f11f07b81a Modify this test to not depend on the host math.h implementation 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25138 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-07 01:37:25 +00:00
Chris Lattner
e8d56c536d fix some 176.gcc miscompilation from my previous patch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25137 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-07 01:32:28 +00:00
Evan Cheng
948f343a2f * Added integer div / rem. 
* Fixed a load folding bug.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25136 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 23:19:29 +00:00
Robert Bocchino
6b2b0136a9 Fixed Makefile so it does, indeed, build a dynamic library. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25135 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 22:51:19 +00:00
Robert Bocchino
3cf817d381 Fixed a typo; "= 1" was missing. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25134 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 22:49:23 +00:00
Evan Cheng
4a7c284b35 Pattern complexity calculation fix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25133 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 22:19:44 +00:00
Evan Cheng
0114e94903 ISEL code for MULHU, MULHS, and UNDEF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25132 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 20:36:21 +00:00
Andrew Lenharth
919e666d8c make 0 codegen much better 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25131 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 19:41:51 +00:00
Chris Lattner
4f637d4db1 silence some bogus gcc warnings on fenris 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25130 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 17:59:59 +00:00
Chris Lattner
cb83374bd9 silence a bogus gcc warning 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25129 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 17:56:38 +00:00
Chris Lattner
ad0124c188 Enhance the shift-shift folding code to allow a no-op cast to occur in between 
the shifts.

This allows us to fold this (which is the 'integer add a constant' sequence
from cozmic's scheme compmiler):

int %x(uint %anf-temporary776) {
        %anf-temporary777 = shr uint %anf-temporary776, ubyte 1
        %anf-temporary800 = cast uint %anf-temporary777 to int
        %anf-temporary804 = shl int %anf-temporary800, ubyte 1
        %anf-temporary805 = add int %anf-temporary804, -2
        %anf-temporary806 = or int %anf-temporary805, 1
        ret int %anf-temporary806
}

into this:

int %x(uint %anf-temporary776) {
        %anf-temporary776 = cast uint %anf-temporary776 to int
        %anf-temporary776.mask1 = add int %anf-temporary776, -2
        %anf-temporary805 = or int %anf-temporary776.mask1, 1
        ret int %anf-temporary805
}

note that instcombine already knew how to eliminate the AND that the two
shifts fold into.  This is tested by InstCombine/shift.ll:test26

-Chris


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25128 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 07:52:12 +00:00
Chris Lattner
6c7fbb8503 A case that instcombine is not catching. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25127 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 07:48:28 +00:00
Chris Lattner
830ed03e8b Simplify the code a bit more 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25126 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 07:22:22 +00:00
Chris Lattner
4d5542ce6e Extract a bunch of code out of visitShiftInst into FoldShiftByConstant. No 
functionality changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25125 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 07:12:35 +00:00
Chris Lattner
47f5beaaaf Unbreak the build :( 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25124 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 05:47:48 +00:00
Evan Cheng
cfa260b2ab Addd (shl x, 1) ==> (shl x, x) peepholes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25123 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 02:31:59 +00:00
Evan Cheng
e1050d616b Tweak pattern complexity calc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25122 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 02:30:23 +00:00
Evan Cheng
6907708c23 Revert the previous check-in. Leave shl x, 1 along for target to deal with. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25121 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 01:56:02 +00:00
Evan Cheng
da95a84a11 fold (shl x, 1) -> (add x, x) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25120 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 01:06:31 +00:00
Chris Lattner
a35ef6350d linkonce symbols have an extra indirection, just like weak ones do. This fixes 
Prolangs-C++/family and Prolangs-C++/primes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25119 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 01:04:03 +00:00
Evan Cheng
d9558e0ba6 * Fast call support. 
* FP cmp, setcc, etc.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25117 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 00:43:03 +00:00
Evan Cheng
17c428e23d Support for custom lowering of ISD::RET. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25116 91177308-0d34-0410-b5e6-96231b3b80d8
 2006-01-06 00:41:43 +00:00