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Author SHA1 Message Date
Bill Wendling
346669b97f Temporarily reverting r52056. It's causing PPC to fail to bootstrap. 
llvm-svn: 52085
 2008-06-08 01:36:24 +00:00
Bruno Cardoso Lopes
b0cb678a47 Added support for FP Registers 
llvm-svn: 52079
 2008-06-07 21:32:41 +00:00
Chris Lattner
1baeae61b2 Update VC project files, patch by Cédric Venet! 
llvm-svn: 52077
 2008-06-07 19:33:54 +00:00
Evan Cheng
c7ed1b9258 Speculatively execute a block when the the block is the then part of a triangle shape and it contains a single, side effect free, cheap instruction. The branch is eliminated by adding a select instruction. i.e. 
Turn                                                                                                                                                                                                       
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    br i1 %t1, label %BB1, label %BB2                                                                                                                                                                      
BB1:                                                                                                                                                                                                       
    %t3 = add %t2, c                                                                                                                                                                                       
    br label BB2                                                                                                                                                                                           
BB2:                                                                                                                                                                                                       
=>                                                                                                                                                                                                         
BB:                                                                                                                                                                                                        
    %t1 = icmp                                                                                                                                                                                             
    %t4 = add %t2, c                                                                                                                                                                                       
    %t3 = select i1 %t1, %t2, %t3

llvm-svn: 52073
 2008-06-07 08:52:29 +00:00
Evan Cheng
bc28ef2028 Fix run line. 
llvm-svn: 52072
 2008-06-07 08:40:16 +00:00
Evan Cheng
6b5b097805 Revert r52046. It broke cbe on x86 / Mac OS X. 
llvm-svn: 52071
 2008-06-07 07:50:29 +00:00
Dan Gohman
d4e2736532 CodeGen support for insertvalue and extractvalue, and for loads and 
stores of aggregate values.

llvm-svn: 52069
 2008-06-07 02:02:36 +00:00
Owen Anderson
a18629b9c6 Connect successors before creating the DAG node for the branch. This has 
no visible functionality change, but enables a future patch where node creation
will update the CFG if it decides to create an unconditional rather than a conditional branch.

llvm-svn: 52067
 2008-06-07 00:00:23 +00:00
Gabor Greif
7c2e365dbc get rid of ExtractValueInst::init's Value argument, it is already passed to the UnaryInstruction ctor 
llvm-svn: 52064
 2008-06-06 21:06:32 +00:00
Evan Cheng
b19baf81ba Typo. 
llvm-svn: 52062
 2008-06-06 21:00:10 +00:00
Gabor Greif
8ac103e71d make ExtractValueInst derived from UnaryInstruction 
llvm-svn: 52061
 2008-06-06 20:28:12 +00:00
Evan Cheng
d919d1ecd8 Enable stack coloring by default. 
llvm-svn: 52057
 2008-06-06 19:52:44 +00:00
Evan Cheng
3ac5c6575a PPC preferred loop alignment is 16. 
llvm-svn: 52056
 2008-06-06 19:50:46 +00:00
Devang Patel
523ef2c2ea LoopSimplify preserves AA. 
llvm-svn: 52053
 2008-06-06 17:50:58 +00:00
Devang Patel
1db00c242e Print debug message only if there are dead passes. 
llvm-svn: 52052
 2008-06-06 17:50:36 +00:00
Owen Anderson
ee5cd76a0c Include loop deletion and the ADCE rewrite in the release notes. 
llvm-svn: 52048
 2008-06-06 16:23:15 +00:00
Anton Korobeynikov
a9fa994d9b Testcase for PR2418 
llvm-svn: 52047
 2008-06-06 16:08:56 +00:00
Anton Korobeynikov
8c40a176f7 Handle assembler identifiers specially in CBE. This fixes PR2418. 
llvm-svn: 52046
 2008-06-06 16:08:26 +00:00
Duncan Sands
c19b5155ea Tighten up the abstraction slightly. 
llvm-svn: 52045
 2008-06-06 12:49:32 +00:00
Duncan Sands
d634afe3aa Wrap MVT::ValueType in a struct to get type safety 
and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).

llvm-svn: 52044
 2008-06-06 12:08:01 +00:00
Zhou Sheng
06fc769e52 As Chris suggested, handle the situation if ShAmt larger than BitWidth, 
otherwise, opt might crash.

llvm-svn: 52041
 2008-06-06 08:32:05 +00:00
Evan Cheng
fe06a1fd5b Refine stack slot interval weight computation. 
llvm-svn: 52040
 2008-06-06 07:54:39 +00:00
Anton Korobeynikov
b207a716ee Turn stdout into binary mode during bitcode emission. 
This is necessary on windows targets, since stdout is in text mode there.
Patch by Julien Lerouge!

llvm-svn: 52038
 2008-06-06 07:24:01 +00:00
Anton Korobeynikov
3e9eeaf6c9 Provide hooks for libgcc symbols' address resolution inside lli on mingw32. 
Patch by Julien Lerouge!

llvm-svn: 52037
 2008-06-06 07:20:07 +00:00
Bruno Cardoso Lopes
23e9cfc581 Added custom isel for MUL, SDIVREM, UDIVREM, SMUL_LOHI and UMUL_LOHI nodes 
MUL is not anymore directly matched because its a pseudoinstruction.
LogicI class fixed to zero-extend immediates. 

llvm-svn: 52036
 2008-06-06 06:37:31 +00:00
Bruno Cardoso Lopes
7b58f690cb Added custom SELECT_CC lowering 
Added special isel for ADDE,SUBE and new patterns to match SUBC,ADDC

llvm-svn: 52031
 2008-06-06 00:58:26 +00:00
Dan Gohman
70fe9e347d Revert 52002. 
llvm-svn: 52030
 2008-06-05 23:57:06 +00:00
Chris Lattner
67a5a4eba8 Expose a public interface to this pass. 
llvm-svn: 52029
 2008-06-05 23:45:18 +00:00
Chris Lattner
ea07bf8c1b Let libcall semantics decide whether it knows about functions 
with definitions or not.

llvm-svn: 52028
 2008-06-05 23:38:34 +00:00
Evan Cheng
9d5a811ae1 Warn of potential violations of strict aliasing rules. 
llvm-svn: 52027
 2008-06-05 23:00:08 +00:00
Evan Cheng
badbe3e3fa Don't break strict aliasing. 
llvm-svn: 52026
 2008-06-05 22:59:21 +00:00
Devang Patel
df5e7efded Describe loop index split. 
llvm-svn: 52021
 2008-06-05 21:44:00 +00:00
Dan Gohman
1a7d090da5 Wording fixes. Thanks Bill! 
llvm-svn: 52017
 2008-06-05 18:45:33 +00:00
Owen Anderson
6b49b2db48 Remove debugging code. 
llvm-svn: 52016
 2008-06-05 18:43:34 +00:00
Gabor Greif
7d316de261 fix typos, tweak stuff, make it to validate 
llvm-svn: 52015
 2008-06-05 18:39:01 +00:00
Owen Anderson
18ca5de680 Use the newly created helper on LiveIntervals. 
llvm-svn: 52013
 2008-06-05 17:22:53 +00:00
Owen Anderson
08c0c02c20 Add a helper for constructing new live ranges that ended from an instruction to the end of its MBB. 
llvm-svn: 52012
 2008-06-05 17:15:43 +00:00
Dan Gohman
f27717f820 Move i128 on x86-64 from the codegen section to the x86-specific section. 
llvm-svn: 52010
 2008-06-05 16:15:39 +00:00
Dan Gohman
b9d1641124 Add a note about improved alignment detection. 
llvm-svn: 52009
 2008-06-05 15:49:29 +00:00
Dan Gohman
32e1487604 Add a note mentioning --view-sunit-dags improvements. 
llvm-svn: 52008
 2008-06-05 15:46:36 +00:00
Dan Gohman
d3e3e2b91c Expand the bullet item about i128 support and APInt usage in codegen. 
llvm-svn: 52007
 2008-06-05 15:43:11 +00:00
Zhou Sheng
d7b035ee2b Add a test case for opt -instcombine bug fix in revision 52003. 
llvm-svn: 52004
 2008-06-05 14:25:11 +00:00
Zhou Sheng
eaa93efd52 If BitWidth equals to ShtAmt, the RHSKnownZero[BitWidth-ShiftAmt-1] will 
crash the opt. Just fix this.

Test case in llvm/test/Transforms/InstCombine/2008-06-05-ashr-crash.ll

llvm-svn: 52003
 2008-06-05 14:23:44 +00:00
Matthijs Kooijman
ebf00c0f65 Change the Verifier to support returning first class aggregrates. 
Add a testcase for functions returning first class aggregrates.

llvm-svn: 52002
 2008-06-05 14:00:36 +00:00
Zhou Sheng
9c9d852f08 Add a test case for APInt bug fix in r51999. 
llvm-svn: 52000
 2008-06-05 13:42:21 +00:00
Zhou Sheng
0d32cd97e1 As comments said, for negative value, the arithmetic 
over-shift-right should return -1. So here it should be signed-extended,
when bitwidth larger than 64.

test case: llvm/test/ExecutionEngine/2008-06-05-APInt-OverAShr.ll

llvm-svn: 51999
 2008-06-05 13:27:38 +00:00
Nick Lewycky
380c3aac60 Escape "$#". 
llvm-svn: 51998
 2008-06-05 12:54:44 +00:00
Matthijs Kooijman
6e1c286f53 Learn ScalarReplAggregrates how stores and loads of first class aggregrates 
work and how to replace them into individual values. Also, when trying to
replace an aggregrate that is used by load or store with a single (large)
integer, don't crash (but don't replace the aggregrate either).

Also adds a testcase for both structs and arrays.

llvm-svn: 51997
 2008-06-05 12:51:53 +00:00
Gordon Henriksen
a248df8fa0 Move this to the proper section. 
I misread Optimizer Improvements as Other Improvements for some reason.

llvm-svn: 51996
 2008-06-05 12:51:50 +00:00
Gordon Henriksen
9df03c6bb1 Adding release notes for bindings improvements. 
llvm-svn: 51995
 2008-06-05 12:48:32 +00:00