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22276 Commits

Author SHA1 Message Date
Chris Lattner
dc9bf8fda9 various rotate fun. 
llvm-svn: 48438
 2008-03-17 01:47:51 +00:00
Nate Begeman
f9691b8236 Add a couple missing SSE4 instructions 
llvm-svn: 48430
 2008-03-16 21:14:46 +00:00
Gordon Henriksen
04a60ddcd2 C and Objective Caml bindings for the TargetData class. 
llvm-svn: 48422
 2008-03-16 20:08:03 +00:00
Bill Wendling
301783caf7 Add assert for non-hexadecimal radixes. 
llvm-svn: 48421
 2008-03-16 20:05:52 +00:00
Gordon Henriksen
8c33afc50c C and Objective Caml bindings for several scalar transforms. 
Patch originally by Erick Tryzelaar, but has been modified somewhat.

llvm-svn: 48419
 2008-03-16 16:32:40 +00:00
Gordon Henriksen
caeafc4911 C and Objective Caml bindings for PassManagers. 
llvm-svn: 48413
 2008-03-16 04:20:44 +00:00
Christopher Lamb
b4f4b41048 Make insert_subreg a two-address instruction, vastly simplifying LowerSubregs pass. Add a new TII, subreg_to_reg, which is like insert_subreg except that it takes an immediate implicit value to insert into rather than a register. 
llvm-svn: 48412
 2008-03-16 03:12:01 +00:00
Evan Cheng
9af68f56c5 Remove isImplicitDef TargetInstrDesc flag. 
llvm-svn: 48381
 2008-03-15 00:19:36 +00:00
Evan Cheng
11d2c09adc Replace all target specific implicit def instructions with a target independent one: TargetInstrInfo::IMPLICIT_DEF. 
llvm-svn: 48380
 2008-03-15 00:03:38 +00:00
Gordon Henriksen
7ebaba8579 Expose Module::dump via C and Ocaml. 
Patch by Erick Tryzelaar.

llvm-svn: 48379
 2008-03-14 23:58:56 +00:00
Duncan Sands
3760c87373 Do not generate special entries in the dwarf eh 
table for nounwind calls.

llvm-svn: 48373
 2008-03-14 21:36:24 +00:00
Evan Cheng
3612a7ed30 Fix PR2138. Apparently any modification to a std::multimap (including remove entries for a different key) can invalidate multimap iterators. 
llvm-svn: 48371
 2008-03-14 20:44:01 +00:00
Chris Lattner
c4f8df4a84 this was removed from the Unix side. 
llvm-svn: 48370
 2008-03-14 20:41:50 +00:00
Dan Gohman
37a26f973f Update comments; getPassName no longer uses RTTI. 
llvm-svn: 48369
 2008-03-14 18:27:04 +00:00
Dale Johannesen
6195ace4c0 Implement the real calling convention for ppc32 Altivec: 
vectors go at the end of the memory area, after all
non-vector parameters.

llvm-svn: 48364
 2008-03-14 17:41:26 +00:00
Evan Cheng
877c5ecabd Fix some 80 col violations. 
llvm-svn: 48361
 2008-03-14 07:46:48 +00:00
Evan Cheng
fc6645a382 Fix a number of encoding bugs. SSE 4.1 instructions MPSADBWrri, PINSRDrr, etc. have 8-bits immediate field (ImmT == Imm8). 
llvm-svn: 48360
 2008-03-14 07:39:27 +00:00
Evan Cheng
6ef1ca4e87 Add debugging stuff. 
llvm-svn: 48359
 2008-03-14 07:13:42 +00:00
Chris Lattner
c60749aa4c Add an issue that is preventing instcombine from doing a simplification. 
llvm-svn: 48356
 2008-03-14 06:00:19 +00:00
Duncan Sands
d3859c83a5 Simplify using getIntPtrConstant. 
llvm-svn: 48355
 2008-03-14 05:23:57 +00:00
Bill Wendling
7d054f8b3f The inst combining of inttoptr into GEP with one index was using the bit size of 
the type instead of the byte size. This was causing troublesome mis-compilations.

True to form, this took 2 days to find and is a one-line fix. :-P

llvm-svn: 48354
 2008-03-14 05:12:19 +00:00
Nate Begeman
f06c08e652 Tabs -> spaces 
Use getIntPtrConstant in a couple places to shorten stuff up
Handle splitting vector shuffles with undefs in the mask

llvm-svn: 48351
 2008-03-14 00:53:31 +00:00
Evan Cheng
1ce3ba341d Livein copy scheduling fixes: do not coalesce physical register copies, correctly determine the safe location to insert the copies. 
llvm-svn: 48348
 2008-03-14 00:14:55 +00:00
Dan Gohman
6a74c23363 Use SDTNone instead of duplicating it. 
llvm-svn: 48346
 2008-03-13 23:07:40 +00:00
Dan Gohman
486f664806 More APInt-ification. 
llvm-svn: 48344
 2008-03-13 22:13:53 +00:00
Owen Anderson
6c2454d9d1 Fix a bug in GVN that Duncan noticed, where we potentially need to insert a 
pointer bitcast when performing return slot optimization.

llvm-svn: 48343
 2008-03-13 22:07:10 +00:00
Evan Cheng
b479bf0d0c Undo tweak. It had no obvious benefit. 
llvm-svn: 48341
 2008-03-13 17:42:48 +00:00
Devang Patel
2c38efe128 Remove unused GetAddressOfSymbol() 
Thanks Daniel Dunbar!

llvm-svn: 48340
 2008-03-13 16:55:34 +00:00
Evan Cheng
a7c38d1ce9 Typo. 
llvm-svn: 48337
 2008-03-13 08:04:35 +00:00
Evan Cheng
9a7395ba78 Don't try to sink 3-address instruction if convertToThreeAddress created more than one instructions. 
llvm-svn: 48336
 2008-03-13 07:56:58 +00:00
Evan Cheng
38a8da7b16 Remove an unused command line option. 
llvm-svn: 48334
 2008-03-13 06:38:28 +00:00
Evan Cheng
0b8b1647dd TwoAddressInstructionPass enhancement. After it converts a two address instruction into a 3-address one, sink it past the instruction that kills the read-mod-write register if its definition is used past the kill. This reduces the number of live register by one. 
llvm-svn: 48333
 2008-03-13 06:37:55 +00:00
Christopher Lamb
0f1c32eb63 Get rid of a pseudo instruction and replace it with subreg based operation on real instructions, ridding the asm printers of the hack used to do this previously. In the process, update LowerSubregs to be careful about eliminating copies that have side affects. 
Note: the coalescer will have to be careful about this too, when it starts coalescing insert_subreg nodes.
llvm-svn: 48329
 2008-03-13 05:47:01 +00:00
Chris Lattner
bc18b99af2 Fix Path::GetMainExecutable on cygwin, patch by Sam Bishop. 
llvm-svn: 48328
 2008-03-13 05:22:05 +00:00
Chris Lattner
3220bb0859 remove extraneous namespace qualifier, PR2142 
llvm-svn: 48327
 2008-03-13 05:17:59 +00:00
Chris Lattner
a14cdebdd9 move a bunch of trivial methods to be inline. 
llvm-svn: 48326
 2008-03-13 05:00:21 +00:00
Chris Lattner
d4a9aafc3f Various improvements suggested by Duncan 
llvm-svn: 48325
 2008-03-13 04:33:03 +00:00
Nick Lewycky
b827640141 Update -mem2reg to use succ_iterator instead of iterating across TerminatorInst 
successors. This makes it support nounwind.

llvm-svn: 48320
 2008-03-13 02:42:41 +00:00
Evan Cheng
6b57844f0c Remove unused options. 
llvm-svn: 48319
 2008-03-13 02:41:34 +00:00
Dan Gohman
e84a9f3740 Eliminate a few unnecessary uses of dynamic_cast. 
llvm-svn: 48318
 2008-03-13 02:08:36 +00:00
Dan Gohman
548e24d9ae Fix a typo. 
llvm-svn: 48317
 2008-03-13 01:58:48 +00:00
Dan Gohman
971fdb877c Don't redundantly clear std::vector members in destructors. 
llvm-svn: 48316
 2008-03-13 01:57:34 +00:00
Dan Gohman
abf6c9aa1d Change PMTopLevelManager's PassManagers vector element type from 
Pass* to PMDataManager*. PMDataManager is more specific than Pass,
so this more accurately describes the objects that are being stored.

This eliminates the need for several dynamic_casts to PMDataManager*.
It does introduce one dynamic_cast though, in dumpPasses(). Give
this one a comment describing why a dynamic_cast is being used.

llvm-svn: 48315
 2008-03-13 01:48:32 +00:00
Dan Gohman
70f4b55e3f Change PMStack::push to accept a PMDataManager* instead of 
a Pass*. PMDataManager* is what it actually holds, so this
makes it clearer.

llvm-svn: 48314
 2008-03-13 01:21:31 +00:00
Evan Cheng
b9fc5d6d07 Refactor some code out of MachineSink into a MachineInstr query. 
llvm-svn: 48311
 2008-03-13 00:44:09 +00:00
Dale Johannesen
1e54f7c2b6 Do not promote float params to double in varargs 
calls here.  This was done earlier for params in
the varargs part of the params; any float params
that survive to here are in the non-varargs part,
and must not be promoted.

llvm-svn: 48310
 2008-03-12 23:40:01 +00:00
Evan Cheng
620fd19798 Experimental scheduler change to schedule / coalesce the copies added for function livein's. Take 2008-03-10-RegAllocInfLoop.ll, the schedule looks like this after these copies are inserted: 
entry: 0x12049d0, LLVM BB @0x1201fd0, ID#0:
Live Ins: %EAX %EDX %ECX
        %reg1031<def> = MOVPC32r 0
        %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def>
        %reg1028<def> = MOV32rr %EAX
        %reg1029<def> = MOV32rr %EDX
        %reg1030<def> = MOV32rr %ECX
        %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x1201910 + 0]
        %reg1025<def> = MOV32rr %reg1029
        %reg1026<def> = MOV32rr %reg1030
        %reg1024<def> = MOV32rr %reg1028

The copies unnecessarily increase register pressure and it will end up requiring a physical register to be spilled.

With -schedule-livein-copies:
entry: 0x12049d0, LLVM BB @0x1201fa0, ID#0:
Live Ins: %EAX %EDX %ECX
        %reg1031<def> = MOVPC32r 0
        %reg1032<def> = ADD32ri %reg1031, <es:_GLOBAL_OFFSET_TABLE_>, %EFLAGS<imp-def>
        %reg1024<def> = MOV32rr %EAX
        %reg1025<def> = MOV32rr %EDX
        %reg1026<def> = MOV32rr %ECX
        %reg1027<def> = MOV8rm %reg0, 1, %reg0, 0, Mem:LD(1,1) [0x12018e0 + 0]

Much better!

llvm-svn: 48307
 2008-03-12 22:19:41 +00:00
Duncan Sands
f830ed681b Initial soft-float support for LegalizeTypes. I rewrote 
the fcopysign expansion from LegalizeDAG to get rid of
what seems to be a bug: the use of sign extension means
that when copying the sign bit from an f32 to an f64,
the upper 32 bits of the f64 (now an i64) are set, not
just the top bit...  I also generalized it to work for
any sized floating point types, and removed the bogosity:
  SDOperand Mask1 = (SrcVT == MVT::f64)
    ? DAG.getConstantFP(BitsToDouble(1ULL << 63), SrcVT)
    : DAG.getConstantFP(BitsToFloat(1U << 31), SrcVT);
  Mask1 = DAG.getNode(ISD::BIT_CONVERT, SrcNVT, Mask1);
(here SrcNVT is an integer with the same size as SrcVT).
As far as I can see this takes a 1 << 63, converts to
a double, converts that to a floating point constant
then converts that to an integer constant, ending up
with... 1 << 63 as an integer constant!  So I just
generate this integer constant directly.

llvm-svn: 48305
 2008-03-12 21:27:04 +00:00
Dan Gohman
e40582180e Change VirtRegMap's dump to dump to cerr, not DOUT, so that it 
can be called from within a debuger without having -debug specified
on the command-line.

llvm-svn: 48298
 2008-03-12 20:52:10 +00:00
Dan Gohman
4e4f2e2ba4 Fix typos in comments. 
llvm-svn: 48297
 2008-03-12 20:50:04 +00:00