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111 Commits

Author SHA1 Message Date
Stuart Hastings
47e45a32a8 Swap VT and DebugLoc operands of getExtLoad() for consistency with 
other getNode() methods.  Radar 9002173.

llvm-svn: 125665
 2011-02-16 16:23:55 +00:00
Richard Osborne
5ee859cb22 Add support for trampolines on the XCore. 
llvm-svn: 124722
 2011-02-02 14:57:41 +00:00
Anton Korobeynikov
cf5967630b Rename TargetFrameInfo into TargetFrameLowering. Also, put couple of FIXMEs and fixes here and there. 
llvm-svn: 123170
 2011-01-10 12:39:04 +00:00
Evan Cheng
cb39cc2164 Re-implement r122936 with proper target hooks. Now getMaxStoresPerMemcpy 
etc. takes an option OptSize. If OptSize is true, it would return
the inline limit for functions with attribute OptSize.

llvm-svn: 122952
 2011-01-06 06:52:41 +00:00
Chris Lattner
65c5243bd6 rename MVT::Flag to MVT::Glue. "Flag" is a terrible name for 
something that just glues two nodes together, even if it is
sometimes used for flags.

llvm-svn: 122310
 2010-12-21 02:38:05 +00:00
Duncan Sands
f6e5e02c9b Inside the calling convention logic LocVT is always a simple 
value type, so there is no point in passing it around using
an EVT.  Use the simpler MVT everywhere.  Rather than trying
to propagate this information maximally in all the code that
using the calling convention stuff, I chose to do a mainly
low impact change instead.

llvm-svn: 118167
 2010-11-03 11:35:31 +00:00
Chris Lattner
8cdc5e75f7 update a bunch of code to use the MachinePointerInfo version of getStore. 
llvm-svn: 114461
 2010-09-21 18:41:36 +00:00
Chris Lattner
86b3f287ce eliminate an old SelectionDAG::getTruncStore method, propagating 
MachinePointerInfo around more.

llvm-svn: 114452
 2010-09-21 17:42:31 +00:00
Chris Lattner
cdfd993df0 propagate MachinePointerInfo through various uses of the old 
SelectionDAG::getExtLoad overload, and eliminate it.

llvm-svn: 114446
 2010-09-21 17:04:51 +00:00
Chris Lattner
4320dda4fb convert the targets off the non-MachinePointerInfo of getLoad. 
llvm-svn: 114410
 2010-09-21 06:44:06 +00:00
Chris Lattner
f94de5bf46 reimplement memcpy/memmove/memset lowering to use MachinePointerInfo 
instead of srcvalue/offset pairs.  This corrects SV info for mem 
operations whose size is > 32-bits.

llvm-svn: 114401
 2010-09-21 05:40:29 +00:00
Dan Gohman
fef30fcd5e Reapply bottom-up fast-isel, with several fixes for x86-32: 
- Check getBytesToPopOnReturn().
 - Eschew ST0 and ST1 for return values.
 - Fix the PIC base register initialization so that it doesn't ever
   fail to end up the top of the entry block.

llvm-svn: 108039
 2010-07-10 09:00:22 +00:00
Bob Wilson
9e8c9204ef --- Reverse-merging r107947 into '.': 
U    utils/TableGen/FastISelEmitter.cpp
--- Reverse-merging r107943 into '.':
U    test/CodeGen/X86/fast-isel.ll
U    test/CodeGen/X86/fast-isel-loads.ll
U    include/llvm/Target/TargetLowering.h
U    include/llvm/Support/PassNameParser.h
U    include/llvm/CodeGen/FunctionLoweringInfo.h
U    include/llvm/CodeGen/CallingConvLower.h
U    include/llvm/CodeGen/FastISel.h
U    include/llvm/CodeGen/SelectionDAGISel.h
U    lib/CodeGen/LLVMTargetMachine.cpp
U    lib/CodeGen/CallingConvLower.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
U    lib/CodeGen/SelectionDAG/FunctionLoweringInfo.cpp
U    lib/CodeGen/SelectionDAG/FastISel.cpp
U    lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
U    lib/CodeGen/SelectionDAG/ScheduleDAGSDNodes.cpp
U    lib/CodeGen/SelectionDAG/InstrEmitter.cpp
U    lib/CodeGen/SelectionDAG/TargetLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.cpp
U    lib/Target/XCore/XCoreISelLowering.h
U    lib/Target/X86/X86ISelLowering.cpp
U    lib/Target/X86/X86FastISel.cpp
U    lib/Target/X86/X86ISelLowering.h

llvm-svn: 107987
 2010-07-09 16:37:18 +00:00
Dan Gohman
7e6e4dd058 Re-apply bottom-up fast-isel, with fixes. Be very careful to avoid emitting 
a DBG_VALUE after a terminator, or emitting any instructions before an EH_LABEL.

llvm-svn: 107943
 2010-07-09 00:39:23 +00:00
Dan Gohman
4dcc56a102 Revert 107840 107839 107813 107804 107800 107797 107791. 
Debug info intrinsics win for now.

llvm-svn: 107850
 2010-07-08 01:00:56 +00:00
Evan Cheng
22b3e8f3b1 Move getExtLoad() and (some) getLoad() DebugLoc argument after EVT argument for consistency sake. 
llvm-svn: 107820
 2010-07-07 22:15:37 +00:00
Dan Gohman
424cc6b616 Add X86FastISel support for return statements. This entails refactoring 
a bunch of stuff, to allow the target-independent calling convention
logic to be employed.

llvm-svn: 107800
 2010-07-07 18:32:53 +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
Dan Gohman
d409104054 CanLowerReturn doesn't need a SelectionDAG; it just needs an LLVMContext. 
SelectBasicBlock doesn't needs its BasicBlock argument.

llvm-svn: 107712
 2010-07-06 22:19:37 +00:00
Devang Patel
7ab104353b Propagate debug loc. 
llvm-svn: 107710
 2010-07-06 22:08:15 +00:00
Dan Gohman
808f334f79 Reapply r107655 with fixes; insert the pseudo instruction into 
the block before calling the expansion hook. And don't
put EFLAGS in a mbb's live-in list twice.

llvm-svn: 107691
 2010-07-06 20:24:04 +00:00
Dan Gohman
4d264f7e51 Revert r107655. 
llvm-svn: 107668
 2010-07-06 15:49:48 +00:00
Dan Gohman
6a73079aba Fix a bunch of custom-inserter functions to handle the case where 
the pseudo instruction is not at the end of the block.

llvm-svn: 107655
 2010-07-06 15:18:19 +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
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
Dan Gohman
68f04d06c8 Get rid of the EdgeMapping map. Instead, just check for BasicBlock 
changes before doing phi lowering for switches.

llvm-svn: 102809
 2010-05-01 00:01:06 +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
0e0b8cf9fd Add const qualifiers to CodeGen's use of LLVM IR constructs. 
llvm-svn: 101334
 2010-04-15 01:51:59 +00:00
Mon P Wang
484bbe6aa9 Reapply address space patch after fixing an issue in MemCopyOptimizer. 
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100304
 2010-04-04 03:10:48 +00:00
Mon P Wang
0ccf050ca3 Revert r100191 since it breaks objc in clang 
llvm-svn: 100199
 2010-04-02 18:43:02 +00:00
Mon P Wang
a01350755e Reapply address space patch after fixing an issue in MemCopyOptimizer. 
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)

llvm-svn: 100191
 2010-04-02 18:04:15 +00:00
Bob Wilson
aae933cc81 Revert Mon Ping's change 99928, since it broke all the llvm-gcc buildbots. 
llvm-svn: 99948
 2010-03-30 22:27:04 +00:00
Mon P Wang
9351ea594a Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset, 
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)
A update of langref will occur in a subsequent checkin.

llvm-svn: 99928
 2010-03-30 20:55:56 +00:00
Richard Osborne
0dcde97cbc Add dag combine to simplify lmul(x, 0, a, b) 
llvm-svn: 98258
 2010-03-11 16:26:35 +00:00
Richard Osborne
22c1716d0d Switch XCore over to using inline jump table entries. 
llvm-svn: 98256
 2010-03-11 14:58:56 +00:00
Richard Osborne
41c5f84f1d Handle MVT::i64 type in DAG combine for ISD::ADD. Fold 64 bit 
expression add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if all
operands are zero extended.

llvm-svn: 98168
 2010-03-10 18:12:27 +00:00
Richard Osborne
8e7cdbef01 Fix checking of intermediates having one use in isADDADDMUL 
llvm-svn: 98164
 2010-03-10 17:16:29 +00:00
Richard Osborne
a1f3ed1aeb Extract recognition of patterns such as add(add(mul(x,y),a),b) 
into a seperate function.

llvm-svn: 98162
 2010-03-10 17:10:35 +00:00
Richard Osborne
6120fdbd30 Fix thinko. 
llvm-svn: 98158
 2010-03-10 16:27:11 +00:00
Richard Osborne
d400202a43 Fold add(add(mul(x,y),a),b) -> lmul(x,y,a,b) if the intermediate 
results are unused elsewhere.

llvm-svn: 98157
 2010-03-10 16:19:31 +00:00
Richard Osborne
c19c2bd177 Prefer LMUL to MACCU as LMUL has no tied operands. 
llvm-svn: 98153
 2010-03-10 13:27:10 +00:00
Richard Osborne
43210638f1 Custom lower (S|U)MUL_LOHI -> MACC(S|U) 
llvm-svn: 98152
 2010-03-10 13:20:07 +00:00
Richard Osborne
ed6df27ad0 Fix indentation 
llvm-svn: 98151
 2010-03-10 11:42:05 +00:00
Richard Osborne
c88a8e8d66 Lower add (mul a, b), c into MACCU / MACCS nodes which translate 
directly to the maccu / maccs instructions. We handle this in
ExpandADDSUB since after type legalisation it is messy to
recognise these operations.

llvm-svn: 98150
 2010-03-10 11:41:08 +00:00
Richard Osborne
4077517135 In cases where the carry / borrow unused converted ladd / lsub 
to an add or a sub.

llvm-svn: 98059
 2010-03-09 16:34:25 +00:00
Richard Osborne
e33e24e6cb Canonicalize ladd constant to RHS. 
llvm-svn: 98058
 2010-03-09 16:13:57 +00:00
Richard Osborne
173efed224 Add DAG combine for ladd / lsub. 
llvm-svn: 98057
 2010-03-09 16:07:47 +00:00
Bill Wendling
5990930d72 Remove dead parameter passing. 
llvm-svn: 97536
 2010-03-02 01:55:18 +00:00
Richard Osborne
fe30a8a2c1 Fix XCoreTargetLowering::isLegalAddressingMode() to handle VoidTy. 
Previously LoopStrengthReduce would sometimes be unable to find
a legal formula, causing an assertion failure.

llvm-svn: 97226
 2010-02-26 16:44:51 +00:00