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12103 Commits

Author SHA1 Message Date
Chris Lattner
d455e0ce54 Minor cleanup, no functionality change for current targets 
llvm-svn: 25173
 2006-01-10 05:41:59 +00:00
Duraid Madina
e2986589aa heh, 'sif it'd be a legalizer bug. 
llvm-svn: 25172
 2006-01-10 05:26:01 +00:00
Duraid Madina
7034571679 support functions that return bool (this "should" work but doesn't, 
*maybe* due to a legalizer bug.)

llvm-svn: 25171
 2006-01-10 05:08:25 +00:00
Reid Spencer
62f26934e7 Remove unused inclusion of SymbolTable.h 
llvm-svn: 25170
 2006-01-10 03:48:34 +00:00
Reid Spencer
783084211a For PR521: 
With these patches we implement the ability for the Linker library to
keep track of which libraries were actually bytecode files (not archives)
and cause their users to remove such files from the list of libraries to
pass to the native linker.

llvm-svn: 25169
 2006-01-10 03:14:40 +00:00
Reid Spencer
e7b44b171a Be a little more explanatory in a comment. 
llvm-svn: 25168
 2006-01-10 03:12:29 +00:00
Nate Begeman
7ed9b8b287 Remove a comment that no longer applies. 
llvm-svn: 25167
 2006-01-10 00:15:59 +00:00
Chris Lattner
a59d6394d2 Give PPCISD:: nodes legible names in dumps. 
llvm-svn: 25166
 2006-01-09 23:52:17 +00:00
Chris Lattner
8026872e44 Fix an exponential function in libcall insertion to not be exponential. :) 
llvm-svn: 25165
 2006-01-09 23:21:49 +00:00
Chris Lattner
95443534bf add ret void support back 
llvm-svn: 25164
 2006-01-09 23:20:37 +00:00
Evan Cheng
154cef5ccb * Added undef patterns. 
* Some reorg.

llvm-svn: 25163
 2006-01-09 23:10:28 +00:00
Evan Cheng
c0b3a2166b More typos 
llvm-svn: 25162
 2006-01-09 22:29:54 +00:00
Evan Cheng
5baec4d0e2 typo 
llvm-svn: 25160
 2006-01-09 20:49:21 +00:00
Andrew Lenharth
58e26e2c4b proper branch not equal sequence 
llvm-svn: 25159
 2006-01-09 19:49:58 +00:00
Evan Cheng
d3babfe458 Support for ADD_PARTS, SUB_PARTS, SHL_PARTS, SHR_PARTS, and SRA_PARTS. 
llvm-svn: 25158
 2006-01-09 18:33:28 +00:00
Evan Cheng
a8064e0723 * 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.

llvm-svn: 25157
 2006-01-09 18:31:59 +00:00
Evan Cheng
7a32c047d9 New getNode() variants. 
llvm-svn: 25156
 2006-01-09 18:29:18 +00:00
Evan Cheng
e720cfd690 New DAG node properties SNDPInFlag, SNDPOutFlag, and SNDPOptInFlag to replace 
hasInFlag, hasOutFlag.

llvm-svn: 25155
 2006-01-09 18:28:21 +00:00
Chris Lattner
05816ecb7f Teach loopsimplify to update et-forest. Patch contributed by Daniel Berlin! 
llvm-svn: 25153
 2006-01-09 08:03:08 +00:00
Chris Lattner
06a5b2acff Bugfix for etforest updating. Contributed by Daniel Berlin. 
llvm-svn: 25152
 2006-01-09 07:58:01 +00:00
Reid Spencer
1c717326d9 Saem Ghani's PassManager Patch #8: 
This fixes a "gccass" regression. The -debug-pass=Structure option now
prints all the appropriate output

llvm-svn: 25151
 2006-01-08 22:57:07 +00:00
Chris Lattner
4266c0b9cb 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

llvm-svn: 25146
 2006-01-08 09:10:04 +00:00
Chris Lattner
84a9d11b28 Initial implementation of the ET-Forest data structure for dominators and 
post-dominators.  This code was written/adapted by Daniel Berlin!

llvm-svn: 25144
 2006-01-08 08:22:18 +00:00
Chris Lattner
8d84170fb5 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."

llvm-svn: 25142
 2006-01-07 23:16:58 +00:00
Chris Lattner
00d77e22d4 Fix the PPC JIT failures last night, which were due to mishandling of linkonce globals 
llvm-svn: 25141
 2006-01-07 06:22:16 +00:00
Chris Lattner
446a1e7a68 Wrap long lines. 
llvm-svn: 25140
 2006-01-07 06:20:51 +00:00
Chris Lattner
05a3f338cd wrap long line 
llvm-svn: 25139
 2006-01-07 06:12:07 +00:00
Chris Lattner
9453593f40 fix some 176.gcc miscompilation from my previous patch. 
llvm-svn: 25137
 2006-01-07 01:32:28 +00:00
Evan Cheng
6a9c735e21 * Added integer div / rem. 
* Fixed a load folding bug.

llvm-svn: 25136
 2006-01-06 23:19:29 +00:00
Evan Cheng
060b19c708 ISEL code for MULHU, MULHS, and UNDEF. 
llvm-svn: 25132
 2006-01-06 20:36:21 +00:00
Andrew Lenharth
193ef655ed make 0 codegen much better 
llvm-svn: 25131
 2006-01-06 19:41:51 +00:00
Chris Lattner
6c99d09404 silence some bogus gcc warnings on fenris 
llvm-svn: 25130
 2006-01-06 17:59:59 +00:00
Chris Lattner
88239024ca silence a bogus gcc warning 
llvm-svn: 25129
 2006-01-06 17:56:38 +00:00
Chris Lattner
6c01df15ac 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

llvm-svn: 25128
 2006-01-06 07:52:12 +00:00
Chris Lattner
410db54bbf Simplify the code a bit more 
llvm-svn: 25126
 2006-01-06 07:22:22 +00:00
Chris Lattner
83fc19a4a9 Extract a bunch of code out of visitShiftInst into FoldShiftByConstant. No 
functionality changes.

llvm-svn: 25125
 2006-01-06 07:12:35 +00:00
Chris Lattner
ae1bace70a Unbreak the build :( 
llvm-svn: 25124
 2006-01-06 05:47:48 +00:00
Evan Cheng
66355df170 Addd (shl x, 1) ==> (shl x, x) peepholes. 
llvm-svn: 25123
 2006-01-06 02:31:59 +00:00
Evan Cheng
105a0cc17e Revert the previous check-in. Leave shl x, 1 along for target to deal with. 
llvm-svn: 25121
 2006-01-06 01:56:02 +00:00
Evan Cheng
efe621adce fold (shl x, 1) -> (add x, x) 
llvm-svn: 25120
 2006-01-06 01:06:31 +00:00
Chris Lattner
d583872b9e linkonce symbols have an extra indirection, just like weak ones do. This fixes 
Prolangs-C++/family and Prolangs-C++/primes.

llvm-svn: 25119
 2006-01-06 01:04:03 +00:00
Evan Cheng
1e0d7b98f3 * Fast call support. 
* FP cmp, setcc, etc.

llvm-svn: 25117
 2006-01-06 00:43:03 +00:00
Evan Cheng
133170cb5c Support for custom lowering of ISD::RET. 
llvm-svn: 25116
 2006-01-06 00:41:43 +00:00
Chris Lattner
5488b43338 Fix a compile crash building MultiSource/Applications/d with the new front-end. 
The PPC backend was generating random shift counts in this case, due to an
uninitialized variable.

llvm-svn: 25114
 2006-01-05 18:32:49 +00:00
Chris Lattner
ee327e57d2 Implement a few symbolic constant folding things. X ? Y : Y is Y. 
Fold:
seteq ({ short }* cast (int 1 to { short }*), { short }* null)
setlt ({ short }* cast (int 1 to { short }*), { short }* cast (int 2 to { short }*))

to false/true.  These last two commonly occur in the output of compilers that
tag integers, like cozmic's scheme compiler.

Tested by Regression/Assembler/ConstantExprFold.llx

llvm-svn: 25112
 2006-01-05 07:49:30 +00:00
Chris Lattner
253796d43f fix some formatting problems 
llvm-svn: 25110
 2006-01-05 07:19:51 +00:00
Chris Lattner
0bbcba6cff unbreak the build, these are now in TargetSelectionDAG.td 
llvm-svn: 25109
 2006-01-05 04:48:15 +00:00
Evan Cheng
6c86cf3a5f Added ConstantFP patterns. 
llvm-svn: 25108
 2006-01-05 02:08:37 +00:00
Evan Cheng
02c9e0646c Added fpimm node for ConstantFP. 
llvm-svn: 25107
 2006-01-05 02:07:49 +00:00
Jim Laskey
41b3ee3c4f Had expand logic backward. 
llvm-svn: 25105
 2006-01-05 01:47:43 +00:00