Commit Graph

565 Commits

Author SHA1 Message Date
Kalle Raiskila e542972828 Fix CellSPU vector shuffles, again.
Some cases of lowering to rotate were miscompiled.

llvm-svn: 113355
2010-09-08 11:53:38 +00:00
Chris Lattner 65b48b5dfc zap dead code.
llvm-svn: 113073
2010-09-04 18:12:00 +00:00
Benjamin Kramer 8fd07c026e Zap dead code.
llvm-svn: 112955
2010-09-03 12:13:18 +00:00
Kalle Raiskila 1e616572d9 Fix lowering of INSERT_VECTOR_ELT in SPU.
The IDX was treated as byte index, not element index.

llvm-svn: 112422
2010-08-29 12:41:50 +00:00
Jim Grosbach 6a77066913 Simplify eliminateFrameIndex() interface back down now that PEI doesn't need
to try to re-use scavenged frame index reference registers. rdar://8277890

llvm-svn: 112241
2010-08-26 23:32:16 +00:00
Chris Lattner bf80d28a74 zap dead code
llvm-svn: 112073
2010-08-25 19:00:00 +00:00
Kalle Raiskila 7e25bc4145 Fix SPU BE to use all the available return registers.
llc used to assert on the added testcase.

llvm-svn: 111911
2010-08-24 11:50:48 +00:00
Kalle Raiskila 8f3e3ba5ff Remove some dead code from SPU BE that remained
from 64bit vector support.

llvm-svn: 111910
2010-08-24 11:05:51 +00:00
Kalle Raiskila e60b5161d1 Fix a bug with insertelement on SPU.
The previous algorithm in LowerVECTOR_SHUFFLE 
didn't check all requirements for "monotonic" shuffles.

llvm-svn: 111361
2010-08-18 10:20:29 +00:00
Kalle Raiskila ab49360f59 Remove all traces of v2[i,f]32 on SPU.
The "half vectors" are now widened to full size by the legalizer.
The only exception is in parameter passing, where half vectors are 
expanded. This causes changes to some dejagnu tests.

llvm-svn: 111360
2010-08-18 10:04:39 +00:00
Kalle Raiskila f3984d1ef6 Change SPU C calling convention to match that described in
"SPU Application Binary Interface Specification, v1.9" by
IBM. 
Specifically: use r3-r74 to pass parameters and the return value.

llvm-svn: 111358
2010-08-18 09:50:30 +00:00
Chris Lattner 72a364c107 fix emacs language spec's, patch by Edmund Grimley-Evans!
llvm-svn: 111241
2010-08-17 16:20:04 +00:00
Kalle Raiskila 999da1f3a0 Have SPU handle halfvec stores aligned by 8 bytes.
llvm-svn: 110576
2010-08-09 16:33:00 +00:00
Kalle Raiskila 8b2f70125f Make SPU backend handle insertelement and
store for "half vectors"

llvm-svn: 110198
2010-08-04 13:59:48 +00:00
Kalle Raiskila 77558b7d13 More SPU v2f32 stuff added: insertelement and shuffle.
llvm-svn: 110038
2010-08-02 11:22:10 +00:00
Kalle Raiskila 68b3886678 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 622f8eb981 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
Jakob Stoklund Olesen 8289f78569 Remove the isMoveInstr() hook.
llvm-svn: 108567
2010-07-16 22:35:46 +00:00
Bill Wendling 499f797cdd Rename DBG_LABEL PROLOG_LABEL, because it's only used during prolog emission and
thus is a much more meaningful name.

llvm-svn: 108563
2010-07-16 22:20:36 +00:00
Benjamin Kramer 92d8998348 Don't pass StringRef by reference.
llvm-svn: 108366
2010-07-14 22:38:02 +00:00
Jakob Stoklund Olesen 0961c55161 RISC architectures get their memory operand folding for free.
The only folding these load/store architectures can do is converting COPY into a
load or store, and the target independent part of foldMemoryOperand already
knows how to do that.

llvm-svn: 108099
2010-07-11 19:19:13 +00:00
Jakob Stoklund Olesen 1dba6814c9 Replace copyRegToReg with copyPhysReg for CellSPU.
llvm-svn: 108084
2010-07-11 07:31:03 +00:00
Kalle Raiskila d799ea52cd Switch SPU calling convention (function arguments)
to a Tablegen implementation.

llvm-svn: 107913
2010-07-08 21:15:22 +00:00
Dan Gohman fe7532a308 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 a3ca21b228 Propagate debug loc.
llvm-svn: 107710
2010-07-06 22:08:15 +00:00
Kalle Raiskila d5ac287140 Remove some unused/redundant code.
llvm-svn: 107622
2010-07-05 18:40:09 +00:00
Evan Cheng 0664a67fe1 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
Duncan Sands 6d28e73acc Remove initialized but otherwise unused variables.
llvm-svn: 107127
2010-06-29 11:22:26 +00:00
Dale Johannesen ce97d55ad9 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 74b5e3e0ae remove some dead variables reported by clang++
llvm-svn: 106428
2010-06-21 17:20:18 +00:00
Kalle Raiskila 0ab5a02579 Mark the SPU 'lr' instruction to never have side effects.
This allows the fast regiser allocator to remove redundant 
register moves.
Update a set of tests that depend on the register allocator
to be linear scan. 

llvm-svn: 106420
2010-06-21 15:08:16 +00:00
Kalle Raiskila d7f50c118a Fix the lowering of VECTOR_SHUFFLE on SPU to handle splats.
llvm-svn: 106419
2010-06-21 14:42:19 +00:00
Kalle Raiskila 6f58190f6f 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 f1d8304fe3 Eliminate unnecessary uses of getZExtValue().
llvm-svn: 106279
2010-06-18 14:22:04 +00:00
Stuart Hastings 0125b6410a Add a DebugLoc parameter to TargetInstrInfo::InsertBranch(). This
addresses a longstanding deficiency noted in many FIXMEs scattered
across all the targets.

This effectively moves the problem up one level, replacing eleven
FIXMEs in the targets with eight FIXMEs in CodeGen, plus one path
through FastISel where we actually supply a DebugLoc, fixing Radar
7421831.

llvm-svn: 106243
2010-06-17 22:43:56 +00:00
Kalle Raiskila 5e0862f7f5 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
Kalle Raiskila 056113a211 Handle loading from/storing to undef pointers on SPU by inserting a
random load/store, rather than crashing llc.

llvm-svn: 105710
2010-06-09 08:29:41 +00:00
Kalle Raiskila 6c40caf729 Flag SPU's function call sequence together.
Discussed here:
http://lists.cs.uiuc.edu/pipermail/llvmdev/2010-June/032107.html

llvm-svn: 105601
2010-06-08 07:55:16 +00:00
Rafael Espindola ef2b6ce00a cleanup
llvm-svn: 105322
2010-06-02 13:53:17 +00:00
Kalle Raiskila 8916358f97 Fix handling of 'load' nodes.
llvm-svn: 105269
2010-06-01 13:34:47 +00:00
Evan Cheng 738e920edf 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
Bill Wendling 95f6ebcb37 Rename "HasCalls" in MachineFrameInfo to "AdjustsStack" to better describe what
the variable actually tracks.

N.B., several back-ends are using "HasCalls" as being synonymous for something
that adjusts the stack. This isn't 100% correct and should be looked into.

llvm-svn: 103802
2010-05-14 21:14:32 +00:00
Dan Gohman bb919dfb6b Implement a bunch more TargetSelectionDAGInfo infrastructure.
Move EmitTargetCodeForMemcpy, EmitTargetCodeForMemset, and
EmitTargetCodeForMemmove out of TargetLowering and into
SelectionDAGInfo to exercise this.

llvm-svn: 103481
2010-05-11 17:31:57 +00:00
Kalle Raiskila 9dd3ef8d01 Make SPU backend not assert on jump tables.
llvm-svn: 103466
2010-05-11 11:00:02 +00:00
Kalle Raiskila 92ea401d8f Fix encoding of 'sf' and 'sfh' instructions.
llvm-svn: 103399
2010-05-10 08:13:49 +00:00
Kalle Raiskila b3c5c4611c Testing svn access with a note added to documentation.
llvm-svn: 103271
2010-05-07 18:06:28 +00:00
Dan Gohman 779c69bbc5 Add a DebugLoc argument to TargetInstrInfo::copyRegToReg, so that it
doesn't have to guess.

llvm-svn: 103194
2010-05-06 20:33:48 +00:00
Evan Cheng efb126a665 Add argument TargetRegisterInfo to loadRegFromStackSlot and storeRegToStackSlot.
llvm-svn: 103193
2010-05-06 19:06:44 +00:00
Chris Lattner 0185047b3f "on the rare occasion the SPU BE produces illegal assembly - it tries to emit an add instruction of the form 'a reg, reg, imm'."
Patch by Kalle Raiskila!

llvm-svn: 103021
2010-05-04 17:58:46 +00:00
Chris Lattner 2094488d81 fix some inconsistent line endings, patch by Jakub Staszak!
llvm-svn: 102852
2010-05-01 17:36:49 +00:00
Evan Cheng 4158a0ff6b Implement -disable-non-leaf-fp-elim which disable frame pointer elimination
optimization for non-leaf functions. This will be hooked up to gcc's
-momit-leaf-frame-pointer option. rdar://7886181

llvm-svn: 101984
2010-04-21 03:18:23 +00:00
Chris Lattner 38c1a1a247 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
Anton Korobeynikov 7d62e33291 Make processor FUs unique for given itinerary. This extends the limit of 32
FU per CPU arch to 32 per intinerary allowing precise modelling of quite
complex pipelines in the future.

llvm-svn: 101754
2010-04-18 20:31:01 +00:00
Dan Gohman 20e094c711 Use cast instead of dyn_cast when assuming success.
llvm-svn: 101636
2010-04-17 15:31:16 +00:00
Dan Gohman 21cea8ac2e 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 31ae586c74 Move per-function state out of TargetLowering subclasses and into
MachineFunctionInfo subclasses.

llvm-svn: 101634
2010-04-17 14:41:14 +00:00
Chandler Carruth ca0a53ac52 Name these stub files consistently with the SPU and PPC targets' conventions.
Also rename the classes appropriately. The CMake build already used these
names.

llvm-svn: 101631
2010-04-17 08:50:29 +00:00
Dan Gohman 9becdddc49 Add skeleton target-specific SelectionDAGInfo files.
llvm-svn: 101564
2010-04-16 23:04:22 +00:00
Dan Gohman bcaf681cde Add const qualifiers to CodeGen's use of LLVM IR constructs.
llvm-svn: 101334
2010-04-15 01:51:59 +00:00
Chris Lattner 1ef9826ff8 "On SPU, variables in the .bss section that are allocated with the .lcomm directive are not aligned on 16 byte boundaries. This causes misaligned loads, as the generated assembly assumes this "default" alignment.
this patch disables .lcomm in favour of '.local .comm'

Patch by Kalle Raisklia!

llvm-svn: 100875
2010-04-09 18:27:03 +00:00
Benjamin Kramer a6769269f3 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 2104b8d36e rename llvm::llvm_report_error -> llvm::report_fatal_error
llvm-svn: 100709
2010-04-07 22:58:41 +00:00
Chris Lattner 5109d3e55d add newlines at end of files.
llvm-svn: 100706
2010-04-07 22:54:55 +00:00
Chris Lattner 82ff9af068 remove the MMI pointer from MachineFrameInfo.
llvm-svn: 100415
2010-04-05 05:57:52 +00:00
Chris Lattner d20699bc87 Momentous day: remove the "O" member from AsmPrinter. Now all
"asm printering" happens through MCStreamer.  This also 
Streamerizes PIC16 debug info, which escaped my attention.

This removes a leak from LLVMTargetMachine of the 'legacy'
output stream.

llvm-svn: 100327
2010-04-04 08:18:47 +00:00
Chris Lattner 3d86cd6710 convert the non-MCInstPrinter'ized EmitInstruction
implementations to use EmitRawText instead of writing
directly to "O".

llvm-svn: 100318
2010-04-04 06:12:20 +00:00
Chris Lattner 3bb09768cb fix PrintAsmOperand and PrintAsmMemoryOperand to pass down
raw_ostream to print to.

llvm-svn: 100313
2010-04-04 05:29:35 +00:00
Chris Lattner 76c564b1bb change a ton of code to not implicitly use the "O" raw_ostream
member of AsmPrinter.  Instead, pass it in explicitly.

llvm-svn: 100306
2010-04-04 04:47:45 +00:00
Chris Lattner 6f306d7d30 use DebugLoc default ctor instead of DebugLoc::getUnknownLoc()
llvm-svn: 100214
2010-04-02 20:16:16 +00:00
Dale Johannesen 4244d12769 Teach AnalyzeBranch, RemoveBranch and the branch
folder to be tolerant of debug info following the
branch(es) at the end of a block.

llvm-svn: 100168
2010-04-02 01:38:09 +00:00
Benjamin Kramer 2788f797ca Make isInt?? and isUint?? template specializations of the generic versions. This
makes calls a little bit more consistent and allows easy removal of the
specializations in the future. Convert all callers to the templated functions.

llvm-svn: 99838
2010-03-29 21:13:41 +00:00
Benjamin Kramer f633ba8213 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 f60c556b91 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
Chris Lattner 240154e633 fix a typo, bitconvert from node to itself isn't valid.
llvm-svn: 99755
2010-03-28 08:36:45 +00:00
Chris Lattner e549d9b1f2 stop using vnot_conv
llvm-svn: 99750
2010-03-28 07:48:17 +00:00
Chris Lattner 0433699ef0 set SDNPVariadic on nodes throughout the rest of the targets that
need them.

llvm-svn: 98937
2010-03-19 05:33:51 +00:00
Chris Lattner e5ac9382ce remove some damaged sign extend patterns that can never match.
llvm-svn: 98932
2010-03-19 04:53:47 +00:00
Chris Lattner eb319f36b9 do some serious surgery on CellSPU to get it back into a world
where it uses types consistently.

llvm-svn: 98532
2010-03-15 05:53:47 +00:00
Chris Lattner 6e52e9db31 get MMI out of the label uniquing business, just go to MCContext
to get unique assembler temporary labels.

llvm-svn: 98489
2010-03-14 08:36:50 +00:00
Chris Lattner d5e8d9f29a Now that DBG_LABEL is updated, we can finally make MachineMove
contain an MCSymbol instead of a label index.

llvm-svn: 98482
2010-03-14 08:12:40 +00:00
Chris Lattner c26f44fb07 change the DBG_LABEL MachineInstr to always be created
with an MCSymbol instead of an immediate.

llvm-svn: 98481
2010-03-14 07:56:48 +00:00
Chris Lattner 29bdac4928 eliminate the now-unneeded context argument of MBB::getSymbol()
llvm-svn: 98451
2010-03-13 21:04:28 +00:00
Chris Lattner e468f88b26 rearrange MCContext ownership. Before LLVMTargetMachine created it
and passing off ownership to AsmPrinter.  Now MachineModuleInfo
creates it and owns it by value.  This allows us to use MCSymbols
more consistently throughout the rest of the code generator, and
simplifies a bit of code.  This also allows MachineFunction to 
keep an MCContext reference handy, and cleans up the TargetRegistry
interfaces for AsmPrinters.

llvm-svn: 98450
2010-03-13 20:55:24 +00:00
Jeffrey Yasskin 9eeda13a52 Fix LLVM build when the user specifies CPPFLAGS on the make command line.
llvm-svn: 98394
2010-03-12 21:42:14 +00:00
Chris Lattner 0b822ab447 inline GetGlobalValueSymbol into the rest its callers and
remove it.

llvm-svn: 98390
2010-03-12 21:19:23 +00:00
Jim Grosbach fae913adf8 Change the Value argument to eliminateFrameIndex to a type-tagged value. This
is preparatory to having PEI's scavenged frame index value reuse logic
properly distinguish types of frame values (e.g., whether the value is
stack-pointer relative or frame-pointer relative).

No functionality change.

llvm-svn: 98086
2010-03-09 21:45:49 +00:00
Chris Lattner e77f993262 disambiguate some types, add a fixme about some
inconsistent intrinsics.

llvm-svn: 97959
2010-03-08 18:59:49 +00:00
Chris Lattner f0692603d5 fix bss section printing for cell, patch by Kalle Raiskila!
llvm-svn: 97814
2010-03-05 18:55:36 +00:00
Chris Lattner f98f124a73 Sink InstructionSelect() out of each target into SDISel, and rename it
DoInstructionSelection.  Inline "SelectRoot" into it from DAGISelHeader.
Sink some other stuff out of DAGISelHeader into SDISel.

Eliminate the various 'Indent' stuff from various targets, which dates
to when isel was recursive.

 17 files changed, 114 insertions(+), 430 deletions(-)

llvm-svn: 97555
2010-03-02 06:34:30 +00:00
Bill Wendling 78c5b7a76d Remove dead parameter passing.
llvm-svn: 97536
2010-03-02 01:55:18 +00:00
Scott Michel 4a99c34873 Revert this patch for the time being. Needs more testing.
llvm-svn: 97099
2010-02-25 02:32:54 +00:00
Scott Michel 0ab0ad93bd Large stack frame patch for the CellSPU: handle stack frames that exceed 8176
(511*16) bytes register displacement (D-form).

NOTE: This is a potential headache, given the SPU's local core limitations,
allowing the software developer to commit stack overrun suicide unknowingly.
Also, large SPU stack frames will cause code size explosion. But, one presumes
that the software developer knows what they're doing...

Contributed by Kalle.Raiskila@nokia.com, edited slightly before commit.

llvm-svn: 97091
2010-02-25 01:53:17 +00:00
Chris Lattner 89f6ec462d disable two patterns that are using non-sensical result pattern types.
llvm-svn: 96903
2010-02-23 07:21:15 +00:00
Chris Lattner c51b7198a9 reapply my cellspu changes with a fix to not break the old isel.
llvm-svn: 96885
2010-02-23 05:30:43 +00:00
Dan Gohman 7e5c4906dd Revert 96854, 96852, and 96849, unbreaking test/CodeGen/CellSPU/i64ops.ll.
llvm-svn: 96871
2010-02-23 02:33:29 +00:00
Chris Lattner 22bc26e4cf fix hte last cellspu failure.
llvm-svn: 96854
2010-02-23 01:37:39 +00:00
Chris Lattner 807666783c hack around more crimes in instruction selection.
llvm-svn: 96852
2010-02-23 01:33:17 +00:00
Chris Lattner fbbe2617dc the cell backend is making all sorts of unsafe and incorrect assumptions
about ownership and update policies.  It isn't clear why it is doing all
this lowering at isel time instead of in legalize.  This fixes fcmp64.ll

llvm-svn: 96849
2010-02-23 01:20:00 +00:00
Anton Korobeynikov ab663a0bfe Move TLOF implementations to libCodegen to resolve layering violation.
llvm-svn: 96288
2010-02-15 22:37:53 +00:00
David Greene cfa68983e8 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