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498 Commits

Author SHA1 Message Date
Jakob Stoklund Olesen
44949b2e1b Remove the isMoveInstr() hook. 
llvm-svn: 108567
 2010-07-16 22:35:46 +00:00
Bill Wendling
e2833a21c2 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
da3e6cdb26 Don't pass StringRef by reference. 
llvm-svn: 108366
 2010-07-14 22:38:02 +00:00
Jakob Stoklund Olesen
7af3eff94d 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
8a62d7e134 Replace copyRegToReg with copyPhysReg for CellSPU. 
llvm-svn: 108084
 2010-07-11 07:31:03 +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
Duncan Sands
b955b3bf92 Remove initialized but otherwise unused variables. 
llvm-svn: 107127
 2010-06-29 11:22:26 +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
2001fd19b9 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
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
Stuart Hastings
bd7194d21c 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
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
Kalle Raiskila
b547a95a7b 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
cd9e1d8b97 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
9113809536 cleanup 
llvm-svn: 105322
 2010-06-02 13:53:17 +00:00
Kalle Raiskila
ed7364d3e1 Fix handling of 'load' nodes. 
llvm-svn: 105269
 2010-06-01 13:34:47 +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
Bill Wendling
e346a38ed4 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
fb6f4da0e0 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
e302300b51 Make SPU backend not assert on jump tables. 
llvm-svn: 103466
 2010-05-11 11:00:02 +00:00
Kalle Raiskila
61289abcda Fix encoding of 'sf' and 'sfh' instructions. 
llvm-svn: 103399
 2010-05-10 08:13:49 +00:00
Kalle Raiskila
9b9dc13910 Testing svn access with a note added to documentation. 
llvm-svn: 103271
 2010-05-07 18:06:28 +00:00
Dan Gohman
497e752655 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
80f3051bb7 Add argument TargetRegisterInfo to loadRegFromStackSlot and storeRegToStackSlot. 
llvm-svn: 103193
 2010-05-06 19:06:44 +00:00
Chris Lattner
b4696853af "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
1452a149f0 fix some inconsistent line endings, patch by Jakub Staszak! 
llvm-svn: 102852
 2010-05-01 17:36:49 +00:00
Evan Cheng
dbfb7dc438 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
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
Anton Korobeynikov
e325c693a5 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
87af9f6bf4 Use cast instead of dyn_cast when assuming success. 
llvm-svn: 101636
 2010-04-17 15:31:16 +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
Chandler Carruth
c03e85229d 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
982923742d Add skeleton target-specific SelectionDAGInfo files. 
llvm-svn: 101564
 2010-04-16 23:04:22 +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
Chris Lattner
5408e8a62b "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
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
Chris Lattner
a58082f349 add newlines at end of files. 
llvm-svn: 100706
 2010-04-07 22:54:55 +00:00
Chris Lattner
cfca39ef59 remove the MMI pointer from MachineFrameInfo. 
llvm-svn: 100415
 2010-04-05 05:57:52 +00:00
Chris Lattner
3eaaa7bb6c 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
781b877495 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
00699c02d5 fix PrintAsmOperand and PrintAsmMemoryOperand to pass down 
raw_ostream to print to.

llvm-svn: 100313
 2010-04-04 05:29:35 +00:00