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184 Commits

Author SHA1 Message Date
Kalle Raiskila
e2c0e66ff1 Have SPU handle halfvec stores aligned by 8 bytes. 
llvm-svn: 110576
 2010-08-09 16:33:00 +00:00
Kalle Raiskila
ce1e4d80cb Make SPU backend handle insertelement and 
store for "half vectors"

llvm-svn: 110198
 2010-08-04 13:59:48 +00:00
Kalle Raiskila
014c93befb More SPU v2f32 stuff added: insertelement and shuffle. 
llvm-svn: 110038
 2010-08-02 11:22:10 +00:00
Kalle Raiskila
766fd434df Add preliminary v2f32 support for SPU. Like with v2i32, we just 
duplicate the instructions and operate on half vectors. 

Also reorder code in SPUInstrInfo.td for better coherency.

llvm-svn: 110037
 2010-08-02 10:25:47 +00:00
Kalle Raiskila
21615cb06e Add preliminary v2i32 support for SPU backend. As there are no 
such registers in SPU, this support boils down to "emulating" 
them by duplicating instructions on the general purpose registers. 

This adds the most basic operations on v2i32: passing parameters,
addition, subtraction, multiplication and a few others.

llvm-svn: 110035
 2010-08-02 08:54:39 +00:00
Kalle Raiskila
725a1a4ad2 Switch SPU calling convention (function arguments) 
to a Tablegen implementation.

llvm-svn: 107913
 2010-07-08 21:15:22 +00:00
Dan Gohman
c768525273 Split the SDValue out of OutputArg so that SelectionDAG-independent 
code can do calling-convention queries. This obviates OutputArgReg.

llvm-svn: 107786
 2010-07-07 15:54:55 +00:00
Devang Patel
7ab104353b Propagate debug loc. 
llvm-svn: 107710
 2010-07-06 22:08:15 +00:00
Kalle Raiskila
59cf410bf5 Remove some unused/redundant code. 
llvm-svn: 107622
 2010-07-05 18:40:09 +00:00
Evan Cheng
47f3a2db40 Remove isSS argument from CreateFixedObject. Fixed objects cannot be spill slots so it's always false. 
llvm-svn: 107550
 2010-07-03 00:40:23 +00:00
Dale Johannesen
b1fc776fca The hasMemory argument is irrelevant to how the argument 
for an "i" constraint should get lowered; PR 6309.  While
this argument was passed around a lot, this is the only
place it was used, so it goes away from a lot of other
places.

llvm-svn: 106893
 2010-06-25 21:55:36 +00:00
Chris Lattner
02b23bfd33 remove some dead variables reported by clang++ 
llvm-svn: 106428
 2010-06-21 17:20:18 +00:00
Kalle Raiskila
cbd0b7c43b Fix the lowering of VECTOR_SHUFFLE on SPU to handle splats. 
llvm-svn: 106419
 2010-06-21 14:42:19 +00:00
Kalle Raiskila
a30e45e2d3 Fix lowering of VECTOR_SHUFFLE on SPU. Old algorithm 
used to choke llc with the attached test.
 

llvm-svn: 106411
 2010-06-21 10:17:36 +00:00
Dan Gohman
0b5b93b20d Eliminate unnecessary uses of getZExtValue(). 
llvm-svn: 106279
 2010-06-18 14:22:04 +00:00
Kalle Raiskila
392de86bb5 Fix SPU to cope with vector insertelement to an undef position. 
We default to inserting to lane 0.

llvm-svn: 105722
 2010-06-09 09:58:17 +00:00
Evan Cheng
46e08acfa5 Code refactoring: pull SchedPreference enum from TargetLowering.h to TargetMachine.h and put it in its own namespace. 
llvm-svn: 104147
 2010-05-19 20:19:50 +00:00
Chris Lattner
04fb51984f teach cellspu how to return i8 and i16 from calls, 
patch by Kalle Raiskila!

llvm-svn: 101875
 2010-04-20 05:36:09 +00:00
Dan Gohman
a0f855157e Use const qualifiers with TargetLowering. This eliminates several 
const_casts, and it reinforces the design of the Target classes being
immutable.

SelectionDAGISel::IsLegalToFold is now a static member function, because
PIC16 uses it in an unconventional way. There is more room for API
cleanup here.

And PIC16's AsmPrinter no longer uses TargetLowering.

llvm-svn: 101635
 2010-04-17 15:26:15 +00:00
Dan Gohman
5c8db5ab3f Move per-function state out of TargetLowering subclasses and into 
MachineFunctionInfo subclasses.

llvm-svn: 101634
 2010-04-17 14:41:14 +00:00
Dan Gohman
0e0b8cf9fd Add const qualifiers to CodeGen's use of LLVM IR constructs. 
llvm-svn: 101334
 2010-04-15 01:51:59 +00:00
Benjamin Kramer
0fb23008bb Use twines to simplify calls to report_fatal_error. For code size and readability. 
llvm-svn: 100756
 2010-04-08 10:44:28 +00:00
Chris Lattner
80b41881bc rename llvm::llvm_report_error -> llvm::report_fatal_error 
llvm-svn: 100709
 2010-04-07 22:58:41 +00:00
Benjamin Kramer
6a45984683 Remove a bunch of integer width predicate functions in favor of MathExtras. 
Most of these were unused, some of them were wrong and unused (isS16Constant<short>,
isS10Constant<short>).

llvm-svn: 99827
 2010-03-29 19:07:58 +00:00
Chris Lattner
c0d5bcc160 From Kalle Raiskila: 
"the bigstack patch for SPU, with testcase. It is essentially the patch committed as 97091, and reverted as 97099, but with the following additions:
-in vararg handling, registers are marked to be live, to not confuse the register scavenger
-function prologue and epilogue are not emitted, if the stack size is 16. 16 means it is empty - there is only the register scavenger emergency spill slot, which is not used as there is no stack."

llvm-svn: 99819
 2010-03-29 17:38:47 +00:00
Bill Wendling
5990930d72 Remove dead parameter passing. 
llvm-svn: 97536
 2010-03-02 01:55:18 +00:00
Anton Korobeynikov
ef1862e256 Move TLOF implementations to libCodegen to resolve layering violation. 
llvm-svn: 96288
 2010-02-15 22:37:53 +00:00
David Greene
47a10d2053 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96232
 2010-02-15 16:55:58 +00:00
Evan Cheng
9057fea7ef Revert 95130. 
llvm-svn: 95160
 2010-02-02 23:55:14 +00:00
Evan Cheng
48375fbf4f Pass callsite return type to TargetLowering::LowerCall and use that to check sibcall eligibility. 
llvm-svn: 95130
 2010-02-02 21:29:10 +00:00
Evan Cheng
237629e476 Eliminate target hook IsEligibleForTailCallOptimization. 
Target independent isel should always pass along the "tail call" property. Change
target hook LowerCall's parameter "isTailCall" into a refernce. If the target
decides it's impossible to honor the tail call request, it should set isTailCall
to false to make target independent isel happy.

llvm-svn: 94626
 2010-01-27 00:07:07 +00:00
Bill Wendling
6904b5a782 Remove dead variable. 
llvm-svn: 92196
 2009-12-28 02:04:53 +00:00
Bill Wendling
ae29dded44 Remove dead store. The initial value was never used, but always overridden. 
llvm-svn: 92182
 2009-12-28 01:31:11 +00:00
Bill Wendling
fc4c238bd5 Add more plumbing. This time in the LowerArguments and "get" functions which 
return partial registers. This affected the back-end lowering code some.

Also patch up some places I missed before in the "get" functions.

llvm-svn: 91880
 2009-12-22 02:10:19 +00:00
Dan Gohman
b5ec39e2dc Remove ISD::DEBUG_LOC and ISD::DBG_LABEL, which are no longer used. 
Note that "hasDotLocAndDotFile"-style debug info was already broken;
people wanting this functionality should implement it in the
AsmPrinter/DwarfWriter code.

llvm-svn: 89711
 2009-11-23 23:20:51 +00:00
Devang Patel
327919890c We are not using DBG_STOPPOINT anymore. 
llvm-svn: 89536
 2009-11-21 02:46:55 +00:00
David Greene
58e7c6145b Add a bool flag to StackObjects telling whether they reference spill 
slots.  The AsmPrinter will use this information to determine whether to
print a spill/reload comment.

Remove default argument values.  It's too easy to pass a wrong argument
value when multiple arguments have default values.  Make everything
explicit to trap bugs early.

Update all targets to adhere to the new interfaces..

llvm-svn: 87022
 2009-11-12 20:49:22 +00:00
Duncan Sands
ab1e3dc9e2 Remove strange 'const' qualifiers, as warned about by icc 
(#411).  Patch by Erick Tryzelaar.

llvm-svn: 81113
 2009-09-06 12:16:26 +00:00
Sandeep Patel
9c4e094e2a Retype from unsigned to CallingConv::ID accordingly. Approved by Bob Wilson. 
llvm-svn: 80773
 2009-09-02 08:44:58 +00:00
Scott Michel
d9d9c7ef05 Updated i128 sext support for CellSPU backend, contributed by Ken Werner (IBM) 
llvm-svn: 80042
 2009-08-25 22:37:34 +00:00
Scott Michel
ee51c50e21 128-bit sign extension and vector shift cleanups, contributed by Ken Werner 
(IBM).

llvm-svn: 79949
 2009-08-24 22:28:53 +00:00
Scott Michel
01d74b3fed Initialize ShufBytes, as gcc 4.4 can't detect that the entire array is 
initialized and a warning about a potentially unintialized variable is
generated.

llvm-svn: 79946
 2009-08-24 21:53:27 +00:00
Chris Lattner
bd73307361 eliminate uses of cerr() 
llvm-svn: 79834
 2009-08-23 07:05:07 +00:00
Anton Korobeynikov
3a0cde8c91 Allow targets to specify their choice of calling conventions per 
libcall. Take advantage of this in the ARM backend to rectify broken
choice of CC when hard float is in effect. PIC16 may want to see if
it could be of use in MakePIC16Libcall, which works unchanged.

Patch by Sandeep!

llvm-svn: 79033
 2009-08-14 20:10:52 +00:00
Owen Anderson
dbf9a912fb Add contexts to some of the MVT APIs. No functionality change yet, just the infrastructure work needed to get the contexts to where they need to be first. 
llvm-svn: 78759
 2009-08-12 00:36:31 +00:00
Owen Anderson
48f2f0ae72 Split EVT into MVT and EVT, the former representing _just_ a primitive type, while 
the latter is capable of representing either a primitive or an extended type.

llvm-svn: 78713
 2009-08-11 20:47:22 +00:00
Owen Anderson
b4bce99769 Rename MVT to EVT, in preparation for splitting SimpleValueType out into its own struct type. 
llvm-svn: 78610
 2009-08-10 22:56:29 +00:00
Owen Anderson
30bf6c8dab SimpleValueType-ify a few more methods on TargetLowering. 
llvm-svn: 78595
 2009-08-10 20:46:15 +00:00
Owen Anderson
cf56d576eb Continue the SimpleValueType-ification. 
llvm-svn: 78593
 2009-08-10 20:18:46 +00:00
Owen Anderson
dcb47bda67 Start moving TargetLowering away from using full MVTs and towards SimpleValueType, which will simplify the privatization of IntegerType in the future. 
llvm-svn: 78584
 2009-08-10 18:56:59 +00:00