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100 Commits

Author SHA1 Message Date
Eli Friedman 2518f8376d Make the logic for determining function alignment more explicit. No functionality change. 
llvm-svn: 131012
 2011-05-06 20:34:06 +00:00
Benjamin Kramer 9c373c1c7a Remove unused variables caught by GCC's -Wunused-but-set-variable. 
llvm-svn: 130755
 2011-05-03 16:00:27 +00:00
Chris Lattner 0ab5e2cded Fix a ton of comment typos found by codespell. Patch by 
Luis Felipe Strano Moraes!

llvm-svn: 129558
 2011-04-15 05:18:47 +00:00
Devang Patel f3292b2196 Revert r124611 - "Keep track of incoming argument's location while emitting LiveIns." 
In other words, do not keep track of argument's location.  The debugger (gdb) is not prepared to see line table entries for arguments. For the debugger, "second" line table entry marks beginning of function body.
This requires some coordination with debugger to get this working. 
 - The debugger needs to be aware of prolog_end attribute attached with line table entries.
 - The compiler needs to accurately mark prolog_end in line table entries (at -O0 and at -O1+)

llvm-svn: 126155
 2011-02-21 23:21:26 +00:00
Venkatraman Govindaraju a82203f875 Generate correct Sparc32 ABI compliant code for functions that return a struct. 
llvm-svn: 126108
 2011-02-21 03:42:44 +00:00
Stuart Hastings 81c4306005 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
Devang Patel 56cc5fdf09 Keep track of incoming argument's location while emitting LiveIns. 
llvm-svn: 124611
 2011-01-31 21:38:14 +00:00
Venkatraman Govindaraju cc91b7a3f6 Pass sret arguments through the stack instead of through registers in Sparc backend. It makes the code generated more compliant with the sparc32 ABI. 
llvm-svn: 124030
 2011-01-22 13:05:16 +00:00
Venkatraman Govindaraju ef8cf45eb1 Sparc backend: 
Rename FLUSH to FLUSHW.
 Output "ta 3" instead of a "flushw" instruction if v8 instruction set is used.

llvm-svn: 123997
 2011-01-21 22:00:00 +00:00
Venkatraman Govindaraju 0594789f07 Implement support for byval arguments in Sparc backend. 
llvm-svn: 123974
 2011-01-21 14:00:01 +00:00
Venkatraman Govindaraju c386f8a1f6 SPARC backend: Modified LowerCall and LowerFormalArguments so that they use CallingConv assignments. 
llvm-svn: 123749
 2011-01-18 06:09:55 +00:00
Venkatraman Govindaraju d964580fea Implement RETURNADDR and FRAMEADDR lowering in SPARC backend. 
llvm-svn: 123310
 2011-01-12 05:08:36 +00:00
Venkatraman Govindaraju 3b71b0ae3d Fix SPARC backend call instruction so that arguments passed through registers 
are correctly marked as used instead of passing all possible argument registers
as used.  

llvm-svn: 123301
 2011-01-12 03:18:21 +00:00
Venkatraman Govindaraju 0a09160e51 SPARC backend fix: correctly passing arguments through stack 
llvm-svn: 122626
 2010-12-29 05:37:15 +00:00
Venkatraman Govindaraju 2f15503d5a Multiple SPARC backend fixes: added Y register; updated select_cc, subx, subxcc defs/uses; 
and fixed CustomInserter.

llvm-svn: 122607
 2010-12-28 20:39:17 +00:00
Chris Lattner 3e5fbd74ed 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
Wesley Peck 527da1b6e2 Renaming ISD::BIT_CONVERT to ISD::BITCAST to better reflect the LLVM IR concept. 
llvm-svn: 119990
 2010-11-23 03:31:01 +00:00
Duncan Sands f5dda01f33 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 676c61db0e 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 3d178ed4d4 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 7727d05dbb convert the targets off the non-MachinePointerInfo of getLoad. 
llvm-svn: 114410
 2010-09-21 06:44:06 +00:00
Evan Cheng 1c349f18f8 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 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
Dan Gohman 3439629239 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 f4f04107ef Revert r107655. 
llvm-svn: 107668
 2010-07-06 15:49:48 +00:00
Dan Gohman 12205645a6 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 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
Dan Gohman f1d8304fe3 Eliminate unnecessary uses of getZExtValue(). 
llvm-svn: 106279
 2010-06-18 14:22:04 +00:00
Dan Gohman 25c1653700 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 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
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
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 772fc34209 Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96237
 2010-02-15 16:57:02 +00:00
Evan Cheng 6f36a083ef Revert 95130. 
llvm-svn: 95160
 2010-02-02 23:55:14 +00:00
Evan Cheng c1b0116ff1 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 67a69dd2ed 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
Dan Gohman de5dea869f 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 ed85e12da6 We are not using DBG_STOPPOINT anymore. 
llvm-svn: 89536
 2009-11-21 02:46:55 +00:00
David Greene 1fbe054450 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
Evan Cheng 9827ad39a7 Fix PR4926. When target hook EmitInstrWithCustomInserter() insert new basic blocks and update CFG, it should also inform sdisel of the changes so the phi source operands will come from the right basic blocks. 
llvm-svn: 82311
 2009-09-19 09:51:03 +00:00
Evan Cheng 270d0f986f Enhance EmitInstrWithCustomInserter() so target can specify CFG changes that sdisel will use to properly complete phi nodes. 
Not functionality change yet.

llvm-svn: 82273
 2009-09-18 21:02:19 +00:00
Chris Lattner 840c700654 several major improvements to the sparc backend: support for weak linkage 
and PIC codegen.  Patch by Venkatraman Govindaraju!

llvm-svn: 81877
 2009-09-15 17:46:24 +00:00
Sandeep Patel 68c5f477fa Retype from unsigned to CallingConv::ID accordingly. Approved by Bob Wilson. 
llvm-svn: 80773
 2009-09-02 08:44:58 +00:00
Devang Patel 0939595711 Record variable debug info at ISel time directly. 
llvm-svn: 79742
 2009-08-22 17:12:53 +00:00
Owen Anderson 9f94459d24 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 53aa7a960c 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
Chris Lattner c9ea8fddb2 eliminate TargetLoweringObjectFileSparc in favor of a TAI hook. 
A TAI hook is appropriate in this case because this is just an
asm syntax issue, not a semantic difference. TLOF should model
the semantics of the section.

llvm-svn: 78498
 2009-08-08 20:43:12 +00:00
Dan Gohman a6d0afcb74 Fix a bunch of namespace pollution. 
llvm-svn: 78363
 2009-08-07 01:32:21 +00:00