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Author SHA1 Message Date
Anton Korobeynikov
19f76f5263 Add MSP430 test for PR4136 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71392 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 14:48:36 +00:00
Sanjiv Gupta
211f3624ef Changed lowering and asmprinter to use ABI Names class called PAN. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71386 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 05:23:47 +00:00
Bill Wendling
c677fe5aba --- Reverse-merging r71370 into '.': 
U    lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp

Revert r71370.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71373 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-10 00:10:50 +00:00
Bill Wendling
e34b723d3e A debug function start was not being recorded when the optimization level wasn't 
None. However, we were always recording the region end. There's no longer a good
reason for this code to be separated out between the different opt levels, as it
was doing pretty much the same thing anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71370 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 23:51:35 +00:00
Evan Cheng
5374405dc1 Oops. Don't forget to align single bb loops. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 19:18:01 +00:00
Chris Lattner
60150a3dc4 fix typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71362 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 18:11:50 +00:00
Eli Friedman
361e54d433 Allow scalar evolution to compute iteration counts for loops with a 
pointer-based condition.  This fixes PR3171.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71354 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 12:32:42 +00:00
Eli Friedman
cea03cdb69 Remove a completed optimization. Add a potential optimization I ran 
into.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71352 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 08:40:15 +00:00
Duncan Sands
777d2306b3 Rename PaddedSize to AllocSize, in the hope that this 
will make it more obvious what it represents, and stop
it being confused with the StoreSize.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71349 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 07:06:46 +00:00
Sanjiv Gupta
09560f805e Use 16 bit arithmetic while retrieving the address of callee's frame during indirect function calls, and set pclath before every call to retrieve the frame address. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71323 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 05:11:19 +00:00
Evan Cheng
2d85052f2b Factor out code that optimize loop terminating condition. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71305 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 01:08:24 +00:00
Dan Gohman
c63a62735b Don't attempt to handle unsized types in ScalarEvolution's GEP analyzer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71302 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-09 00:14:52 +00:00
Evan Cheng
f045f80ba9 Enable loop bb placement optimization. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71291 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:35:49 +00:00
Dan Gohman
b0285932ab Fix bogus overflow checks by replacing them with actual 
overflow checks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71284 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:11:16 +00:00
Evan Cheng
82ae933e55 PPC::B and PPC::BCC's target operand may be an immediate. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71282 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:09:25 +00:00
Mike Stump
3fbdbd9898 In non-pic builds, we can use -mdynamic-no-pic for a little more speed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71281 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:08:58 +00:00
Dan Gohman
099672beef Use .td for tablegen files, not .ll. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71277 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 23:01:28 +00:00
Mike Stump
1e8f072f19 Avoid warning in release-asserts build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71275 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 22:53:06 +00:00
Bill Wendling
6c4311dddb Mirror how Fast ISel determines if a region.end intrinsic is the end of an 
inlined function or the end of a function. Before, this was never executing the
"inlined" version of the Record method.

This will become important once the inlined Dwarf writer patch lands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71268 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 21:14:49 +00:00
Dan Gohman
728c7f3059 Fold trunc casts into add-recurrence expressions, allowing the 
add-recurrence to be exposed. Add a new SCEV folding rule to
help simplify expressions in the presence of these extra truncs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71264 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 21:03:19 +00:00
Bill Wendling
e688fafd38 Compute the offsets of the compile units. We need this so that when we emit a 
concrete instance of an inlined function, we can get the actual address of the
abstract instance inside of the compile unit.

This isn't currently used, but will be by a future check-in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71263 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 21:03:15 +00:00
Dan Gohman
fb79160811 Fix another bug in r71252. This code supports GetElementPtr 
constant exprs as well as instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71262 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:58:38 +00:00
Bill Wendling
871eb0ab23 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71260 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:49:29 +00:00
Dan Gohman
6bce643c36 Add memoization for getSCEVAtScope results for instructions 
which are not analyzed with SCEV techniques, which can require
brute-forcing through a large number of instructions. This
fixes a massive compile-time issue on 400.perlbench (in
particular, the loop in MD5Transform).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71259 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:47:27 +00:00
Dan Gohman
66a7e857aa Make the SCEV* form of getSCEVAtScope public, to allow ScalarEvolution 
clients to use it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:38:54 +00:00
Bill Wendling
a9519579b7 Minor clean ups. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71256 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:38:02 +00:00
Dan Gohman
e810b0d430 Fix an error from r71252. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71255 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:36:47 +00:00
Bill Wendling
ad9c278338 Print out nicer dump info for DIDescriptor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71253 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:28:06 +00:00
Dan Gohman
26466c0eb3 Factor out the code for creating SCEVs for GEPs into a 
separate function.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71252 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:26:55 +00:00
Dan Gohman
185cf0395c Implement several new SCEV folding rules for UDiv SCEVs. 
This fixes an old FIXME, and is needed by some upcoming changes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71247 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:18:49 +00:00
Dan Gohman
1827e8263c Add a getExitBlock utility function to LoopInfo which returns the 
exit block of a loop, if there is exactly one, similar to
getExitingBlock.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71245 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 20:07:23 +00:00
Evan Cheng
0269d3cbf3 Don't align loop header unless the loop back edge is below the header. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71242 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 19:01:44 +00:00
Anton Korobeynikov
c1c6ef8f74 Factor out cycle-finder code and make it generic. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71241 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:58 +00:00
Anton Korobeynikov
d34167a4ab Do not emit bit tests if target does not support natively left shift 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71240 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:34 +00:00
Anton Korobeynikov
da4d2f63d8 Allow 8 bit select in custom inserter 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71239 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:21 +00:00
Anton Korobeynikov
58c04e1496 Properly expand libcalls for urem / srem. Also make code more straightforward. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71238 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:51:08 +00:00
Anton Korobeynikov
fb3f84fe16 Typo 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71237 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:50:54 +00:00
Anton Korobeynikov
0616c3b678 Expand UREM / SREM into libcalls 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71236 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:50:41 +00:00
Anton Korobeynikov
1cb0acee8a Add 8 bit select 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71235 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:50:26 +00:00
Chris Lattner
4992196322 Fix PR4152: asm constraint validation happens before dag combine, so we 
need to work a bit to combine things like (x+c1+c2) into x+c3.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71232 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 18:23:14 +00:00
Duncan Sands
2a6e0a2140 Add some examples to show the difference between 
the various notions of type size used in LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71230 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 17:49:48 +00:00
Chris Lattner
c89146587a Change 'make install' to install tblgen, for better support of out-of-tree targets, 
patch by Mikael Lepistö!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71226 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 17:32:47 +00:00
Chris Lattner
ef554846f0 fix RewriteStoreUserOfWholeAlloca to use the correct type size 
method, fixing a crash on PR4146.  While the store will 
ultimately overwrite the "padded size" number of bits in memory,
the stored value may be a subset of this size.  This function
only wants to handle the case where all bits are stored.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71224 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 15:54:41 +00:00
Evan Cheng
4b7f7a6e1f Reverse branch condition only when there is a conditional branch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71214 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 09:35:53 +00:00
Nick Lewycky
0ab2dcee5b Add explicit braces to disambiguate nested if/else. Removes a warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71211 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:57:41 +00:00
Nick Lewycky
48f95ad971 This transform requires valid TargetData info. Wrap it in 'if (TD)' in 
preparation for the day we use null TargetData when no target is specified.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:47:37 +00:00
Evan Cheng
45e0010e14 Optimize code placement in loop to eliminate unconditional branches or move unconditional branch to the outside of the loop. e.g. 
///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       <fallthrough to B>                                                                                                                                                 
///                                                                                                                                                                          
///       B:  --> loop header                                                                                                                                                
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit]                                                                                                                                               
///                                                                                                                                                                          
///       C:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
/// ==>                                                                                                                                                                      
///                                                                                                                                                                          
///       A:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jmp B                                                                                                                                                              
///                                                                                                                                                                          
///       C:  --> new loop header                                                                                                                                            
///       ...                                                                                                                                                                
///       <fallthough to B>                                                                                                                                                  
///                                                                                                                                                                          
///       B:                                                                                                                                                                 
///       ...                                                                                                                                                                
///       jcc <cond> C, [exit] 


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71209 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:34:09 +00:00
Nick Lewycky
4a228864f2 Add missing #include for "strlen" which is used inline in this header. Fixes 
build under gcc 4.3.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71208 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 06:22:25 +00:00
Sanjiv Gupta
573eb5e573 Moved pic16 naming functions to correct place. 
No functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71207 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 04:50:14 +00:00
Eli Friedman
5877ad7e90 PR4123: don't crash when inlining a call which uses its own result. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71199 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-05-08 00:22:04 +00:00