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42550 Commits

Author SHA1 Message Date
Devang Patel f1e9329209 Give SIToFPInst preference over UIToFPInst because it is faster on platforms that are widely used. 
llvm-svn: 59476
 2008-11-18 00:40:02 +00:00
Dan Gohman 5ebdb98a6e Avoid using a loop in ReleasePred and ReleaseSucc methods to compute the 
new CycleBound value. Instead, just update CycleBound on each call.
Also, make ReleasePred and ReleaseSucc methods more consistent accross
the various schedulers.

This also happens to make ScheduleDAGRRList's CycleBound computation
somewhat more interesting, though it still doesn't have any noticeable
effect, because no current targets that use the register-pressure
reduction scheduler provide pipeline models.

llvm-svn: 59475
 2008-11-18 00:38:59 +00:00
Devang Patel 180afd2c55 While handling floating point IVs lift restrictions on initial value and increment value. 
llvm-svn: 59471
 2008-11-17 23:27:13 +00:00
Devang Patel aa3d68d301 Handle floating point ivs during doInitialization(). 
llvm-svn: 59466
 2008-11-17 21:32:02 +00:00
Dan Gohman 92a36d7a78 Eliminate some trivial differences between the ScheduleNodeTopDown 
functions in these two schedulers.

llvm-svn: 59465
 2008-11-17 21:31:02 +00:00
Duncan Sands f046b50ecd Add soft float support for a bunch more operations. Original 
patch by Richard Osborne, tweaked and extended by your humble
servant.

llvm-svn: 59464
 2008-11-17 20:52:38 +00:00
Dan Gohman 4f474b092e Don't bother doing latency calculations in the "fast" scheduler. 
llvm-svn: 59461
 2008-11-17 19:52:36 +00:00
Dan Gohman a687fd8339 Use SUnit's CycleBound field instead of duplicating it in 
a side-car datastructure

llvm-svn: 59458
 2008-11-17 19:45:19 +00:00
Dale Johannesen 39b34e6d32 Remove these, which test for optimizations that 
are not currently done (cf PowerPC/README.txt).

llvm-svn: 59456
 2008-11-17 18:57:45 +00:00
Dale Johannesen aae3a4f864 Move some former testcases (low-probability codegen 
optimizations) into this wishlist.

llvm-svn: 59455
 2008-11-17 18:56:34 +00:00
Devang Patel b63c74730c Let AnalyzeAlloca() remove debug intrinsics. 
llvm-svn: 59454
 2008-11-17 18:37:53 +00:00
Richard Osborne 6751b4a604 Don't produce ADDC/ADDE when expanding SHL unless they are legal 
for the target. This fixes PR3080.

llvm-svn: 59450
 2008-11-17 17:34:31 +00:00
Mikhail Glushenkov 20313c954e Support dependencies between plugins by priority-sorting. 
llvm-svn: 59449
 2008-11-17 17:30:25 +00:00
Mikhail Glushenkov 7549d568d5 Filter ToolPropertiesList to exclude all Tools not mentioned in the compilation graph. 
llvm-svn: 59448
 2008-11-17 17:29:42 +00:00
Mikhail Glushenkov faae122e07 Add a layer of indirection to make plugins more flexible. 
Use strings instead of TableGen defs in the compilation graph
definition. Makes it easier for the plugins to modify an existing graph.

llvm-svn: 59447
 2008-11-17 17:29:18 +00:00
Dan Gohman 17c226b8ca Don't use the isPending flag to mean what the isAvailable flag means. 
llvm-svn: 59445
 2008-11-17 16:37:30 +00:00
Zhongxing Xu a5055a03c6 move partial template specialization to FoldingSet.h. 
llvm-svn: 59434
 2008-11-17 02:40:00 +00:00
Mon P Wang 4964368e0d Fixed legalization of CONVERT_RNDSAT for integers. 
llvm-svn: 59432
 2008-11-17 00:41:12 +00:00
Lang Hames 41df63945d Removed 2008-10-17-SpillerBug.ll as it does not provide an accurate test of PR2898. 
llvm-svn: 59431
 2008-11-16 23:30:12 +00:00
Chris Lattner 354e8b8189 punctuate, add wording about patches contributed by others. 
llvm-svn: 59417
 2008-11-16 17:40:16 +00:00
Torok Edwin 026259faeb If SI->size() is 0, we are not allowed to dereference ->begin(). 
This fixed PR3078.

llvm-svn: 59416
 2008-11-16 17:21:25 +00:00
Lang Hames 782ec1a746 2008-10-17-SpillerBug.ll is currently failing, but this doesn't reflect an actual regression of PR2898. This test should probably be removed. I've XFAILed it for now to keep buildbot quiet while this is considered. 
llvm-svn: 59415
 2008-11-16 13:11:09 +00:00
Lang Hames 49ab8bc67d Big PBQP allocator update. Adds coalescing support, stack slot coloring, several bug-fixes. 
llvm-svn: 59414
 2008-11-16 12:12:54 +00:00
Chris Lattner 7917b43a28 eliminate some std::set's. 
llvm-svn: 59409
 2008-11-16 07:17:51 +00:00
Chris Lattner f8f6270f14 simplify loop 
llvm-svn: 59406
 2008-11-16 06:35:18 +00:00
Chris Lattner 44152742a0 simplify a bunch more instcombines to use m_Specific etc. 
llvm-svn: 59403
 2008-11-16 05:38:51 +00:00
Chris Lattner d397fef50d factor the code for simplifying (icmp)|(icmp) into its own function. 
llvm-svn: 59402
 2008-11-16 05:20:07 +00:00
Chris Lattner 909b969b18 do some computation with apints instead of ConstantInts. 
llvm-svn: 59401
 2008-11-16 05:14:43 +00:00
Chris Lattner feaea9bdf7 merge a check into a place where it is simpler. 
llvm-svn: 59400
 2008-11-16 05:10:52 +00:00
Mon P Wang 7a82474387 Improved shuffle normalization to avoid using extract/build when we 
can extract using different indexes for two vectors. Added a few tests
for vector shuffles.

llvm-svn: 59399
 2008-11-16 05:06:27 +00:00
Chris Lattner 269cbd5770 factor a whole bunch of code out into a helper function. 
llvm-svn: 59398
 2008-11-16 05:06:21 +00:00
Chris Lattner b37b6e7e96 simplify the conditions on two gigantic if's, decreasing indentation 
a bit.  Next step is to factor out into their own helper functions.

llvm-svn: 59397
 2008-11-16 04:55:20 +00:00
Chris Lattner f1be285134 simplify some instcombine matches by using m_Specific 
llvm-svn: 59395
 2008-11-16 04:46:19 +00:00
Zhongxing Xu c0862044af Fix 80-col violation. 
llvm-svn: 59394
 2008-11-16 04:44:41 +00:00
Chris Lattner 50b9a15a43 add a new m_Specific pattern that matches only if we have a specific Value*. 
llvm-svn: 59393
 2008-11-16 04:38:30 +00:00
Chris Lattner fae5e33111 Use new m_SelectCst template to eliminate macros. 
llvm-svn: 59392
 2008-11-16 04:33:38 +00:00
Chris Lattner 2e692e2a31 add a new template for matching a select between two constants. 
llvm-svn: 59391
 2008-11-16 04:33:10 +00:00
Chris Lattner 569d78cbb5 simplify code. 
llvm-svn: 59390
 2008-11-16 04:26:55 +00:00
Chris Lattner c3f3b059d0 Handle the case where there is no "not". It is possible it got 
folded into the select.

llvm-svn: 59389
 2008-11-16 04:25:26 +00:00
Chris Lattner 5f6d9a313b factor a bunch of copy/paste code out into a helper function. 
Eliminate the cases checking for cond?0:-1, since that is already
handled by commutative checking.

llvm-svn: 59388
 2008-11-16 04:24:12 +00:00
Zhongxing Xu c1e480a762 Add partial specialization of FoldingSetTrait for ImmutableList. 
llvm-svn: 59387
 2008-11-16 04:23:49 +00:00
Chris Lattner 645f60141b make this actually test what it is trying to. 
llvm-svn: 59386
 2008-11-16 04:21:51 +00:00
Zhongxing Xu 788e39687e Fix 80-column violation. 
llvm-svn: 59385
 2008-11-16 04:14:33 +00:00
Nick Lewycky 625c6f79b2 Don't brute-force analyze cubic or higher polynomials. 
If this patch causes a performance regression for anyone, please let me know,
and it can be fixed in a different way with much more effort.

llvm-svn: 59384
 2008-11-16 04:14:25 +00:00
Oscar Fuentes 08c4a35caa CMake: MSVC: Pass list of components the right way to msvc_llvm_config 
and siblings. Support targets whose name does not end on
`CodeGen'. Remove a performance bottleneck.

llvm-svn: 59383
 2008-11-16 04:13:19 +00:00
Chris Lattner 68d2da2a19 rearrange some code, no functionality change. 
llvm-svn: 59381
 2008-11-16 03:56:24 +00:00
Chris Lattner e02c7c7ad2 if we're going to use a macro, use it maximally. no functionality change. 
llvm-svn: 59380
 2008-11-16 03:54:57 +00:00
Oscar Fuentes b5b8bd85fd CMake: Forces linking of the rest of architecture targets and its 
respective asm printers on MSVC.

Based on a patch by Scott Graham.

llvm-svn: 59379
 2008-11-15 22:51:03 +00:00
Oscar Fuentes ba4eb2a9db Adds extern "C" ints to the .cpp files that use RegisterTarget, as 
well as 2 files that use "Registrator"s. These are to be used by the
MSVC builds, as the Win32 linker does not include libs that are
otherwise unreferenced, even if global constructors in the lib have
side-effects.

Patch by Scott Graham!

llvm-svn: 59378
 2008-11-15 21:36:30 +00:00
Oscar Fuentes 7e17369255 CMake: Removed some cruft. 
llvm-svn: 59376
 2008-11-15 20:51:18 +00:00