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23289 Commits

Author SHA1 Message Date
Dan Gohman
c87fbbd014 Teach isGAPlusOffset to respect a GlobalAddressSDNode's offset 
value, which is something that apparently isn't used much.

llvm-svn: 52158
 2008-06-09 22:05:52 +00:00
Dan Gohman
68f8fbdac4 Re-apply 52002, allowing the verifier to accept non-MRV struct return 
types on functions, with adjustments so that it accepts both
new-style aggregate returns and old-style MRV returns, including those
with only a single member.

llvm-svn: 52157
 2008-06-09 21:26:13 +00:00
Dan Gohman
8c089d4df6 CodeGen support for aggregate-value function arguments. 
llvm-svn: 52156
 2008-06-09 21:19:23 +00:00
Duncan Sands
e46308480d Various tweaks related to apint codegen. No functionality 
change for non-funky-sized integers.

llvm-svn: 52151
 2008-06-09 15:48:25 +00:00
Dan Gohman
d789392934 Handle empty aggregate values. 
llvm-svn: 52150
 2008-06-09 15:21:47 +00:00
Dan Gohman
7c97681798 AsmParser support for immediate constant aggregate values. 
llvm-svn: 52149
 2008-06-09 14:45:02 +00:00
Dan Gohman
ce662293ed CPPBackend support for extractvalue and insertvalue. 
llvm-svn: 52147
 2008-06-09 14:12:10 +00:00
Dan Gohman
ee7b8797d0 Abort on an unrecognized opcode. 
llvm-svn: 52146
 2008-06-09 14:09:13 +00:00
Dan Gohman
5f7b94fd7b Update the CPP backend for the ConstantFP::get API change. 
llvm-svn: 52144
 2008-06-09 14:08:11 +00:00
Duncan Sands
a487df7710 Remove some DAG combiner assumptions about sizes 
of integer types.  Fix the isMask APInt method to
actually work (hopefully) rather than crashing
because it adds apints of different bitwidths.
It looks like isShiftedMask is also broken, but
I'm leaving that one to the APInt people (it is
not used anywhere).

llvm-svn: 52142
 2008-06-09 11:32:28 +00:00
Rafael Espindola
feaadb1e05 add support for PIC on linux x86-64 
llvm-svn: 52139
 2008-06-09 09:52:31 +00:00
Chris Lattner
806f0a8411 lower calls to abs to inline code, PR2337 
llvm-svn: 52138
 2008-06-09 08:26:51 +00:00
Chris Lattner
7864575654 Fix PR2411, where ip constant prop would propagate the 
result of a weak function.

llvm-svn: 52137
 2008-06-09 07:58:07 +00:00
Chris Lattner
96dec66124 use 'continue' to make the function linker simpler. When linking a strong 
function into a weak function, zap the weak function body so that the
strong one overrides it.  This fixes PR2410

llvm-svn: 52135
 2008-06-09 07:47:34 +00:00
Chris Lattner
4c99f72771 minor changes to short circuit the 'no linkage' case earlier for 
function bodies.  We now don't try to unify types or handling type
mismatches if when linking an internal foo to an external foo.

llvm-svn: 52134
 2008-06-09 07:36:11 +00:00
Chris Lattner
744e896c06 simplify function visibility handling. 
llvm-svn: 52133
 2008-06-09 07:25:28 +00:00
Duncan Sands
fe2a970a5c Remove comparison methods for MVT. The main cause 
of apint codegen failure is the DAG combiner doing
the wrong thing because it was comparing MVT's using
< rather than comparing the number of bits.  Removing
the < method makes this mistake impossible to commit.
Instead, add helper methods for comparing bits and use
them.

llvm-svn: 52098
 2008-06-08 20:54:56 +00:00
Chris Lattner
4a896996cb Limit the icmp+phi merging optimization to the cases where it is profitable: 
don't make i1 phis when it won't be possible to eliminate them.

llvm-svn: 52097
 2008-06-08 20:52:11 +00:00
Bruno Cardoso Lopes
c91758a7fc Added FP instruction formats. 
llvm-svn: 52086
 2008-06-08 01:39:36 +00:00
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
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
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
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
badbe3e3fa Don't break strict aliasing. 
llvm-svn: 52026
 2008-06-05 22:59:21 +00:00
Owen Anderson
6b49b2db48 Remove debugging code. 
llvm-svn: 52016
 2008-06-05 18:43:34 +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
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