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163 Commits

Author SHA1 Message Date
Akira Hatanaka 5ec2ead9b0 Move transformation of JmpLink and related nodes done during instruction selection to Legalize phase. 
llvm-svn: 128830
 2011-04-04 17:11:07 +00:00
Akira Hatanaka 4111db6575 Undo changes mistakenly made in revision 128750. 
llvm-svn: 128751
 2011-04-02 00:26:12 +00:00
Akira Hatanaka 977f555a76 Insert space before ';' to prevent warnings. 
llvm-svn: 128750
 2011-04-02 00:15:58 +00:00
Akira Hatanaka 56d9ef53a2 Simplifies logic for printing target flags. 
llvm-svn: 128741
 2011-04-01 21:41:06 +00:00
Akira Hatanaka a535270d91 Added support for FP conditional move instructions and fixed bugs in handling of FP comparisons. 
llvm-svn: 128650
 2011-03-31 18:26:17 +00:00
Akira Hatanaka 4e9ca1b3ba fixed typo 
llvm-svn: 128574
 2011-03-30 21:15:35 +00:00
Chris Lattner 05a23b1e61 silence a conditional assignment -Wuninitialized warning. 
llvm-svn: 127453
 2011-03-11 02:12:51 +00:00
Bruno Cardoso Lopes 048ffabe78 Improve varags handling, with testcases. Patch by Sasa Stankovic 
llvm-svn: 127349
 2011-03-09 19:22:22 +00:00
Bruno Cardoso Lopes 434248a62c Improve div/rem node handling on mips. Patch by Akira Hatanaka 
llvm-svn: 127034
 2011-03-04 21:03:24 +00:00
Bruno Cardoso Lopes 8887d6593f Rewrite and simplify o32 vaarg passing, no functional changes. Patch by Sasa Stankovic 
llvm-svn: 127029
 2011-03-04 20:27:44 +00:00
Bruno Cardoso Lopes f8198e4311 Lowers block address. Currently asserts when relocation model is not PIC. Patch by Akira Hatanaka 
llvm-svn: 127027
 2011-03-04 20:01:52 +00:00
Bruno Cardoso Lopes 22b69db8dd Expands FCOS and FSIN nodes when type is f64. 
llvm-svn: 127017
 2011-03-04 18:54:14 +00:00
Bruno Cardoso Lopes 61a61e9da3 Fix a lot of o32 CC issues and add a bunch of tests. Patch by Akira Hatanaka with some small modifications by me. 
llvm-svn: 125292
 2011-02-10 18:05:10 +00:00
Bruno Cardoso Lopes b02a9dfa55 Negative zero is not legal on mips. Patch by Sasa Stankovic 
llvm-svn: 123766
 2011-01-18 19:41:41 +00:00
Bruno Cardoso Lopes ac517fa9f7 Handle (i32,i32) => f64 in a cleaner way. Patch by Sasa Stankovic 
llvm-svn: 123763
 2011-01-18 19:38:25 +00:00
Bruno Cardoso Lopes 4dc73fa075 Add support for mips32 madd and msub instructions. Patch by Akira Hatanaka 
llvm-svn: 123760
 2011-01-18 19:29:17 +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
Bruno Cardoso Lopes d47180e45e Add ROTR and ROTRV mips32 instructions. Patch by Akira Hatanaka 
llvm-svn: 121377
 2010-12-09 17:32:30 +00:00
Bruno Cardoso Lopes b9bfd0945a Remove target specific node MipsISD::CMov, which is not used because all conditional moves are directly matched using tablegen patterns. If there's a need in the future, we can introduce it again 
llvm-svn: 121164
 2010-12-07 19:04:14 +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 71049f78ed In the calling convention logic, ValVT is always a legal type, 
and as such can be represented by an MVT - the more complicated
EVT is not needed.  Use MVT for ValVT everywhere.

llvm-svn: 118245
 2010-11-04 10:49:57 +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
John Thompson e8360b7182 Inline asm multiple alternative constraints development phase 2 - improved basic logic, added initial platform support. 
llvm-svn: 117667
 2010-10-29 17:29:13 +00:00
Chris Lattner 802527adad eliminate some uses of the getStore overload. 
llvm-svn: 114453
 2010-09-21 17:50:43 +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
Bruno Cardoso Lopes 160695fecb Fix PR7174, a couple o Mips fixes: 
- Fix a typo for PIC check during jmp table lowering
- Also fix the "first jump table basic block is not
considered only reachable by fall through" problem, use this
ad-hoc solution until I come up with something better.

Patch by stetorvs@gmail.com

llvm-svn: 108820
 2010-07-20 08:37:04 +00:00
Bruno Cardoso Lopes ea7863647b Fix Mips PR7473. Patch by stetorvs@gmail.com 
llvm-svn: 108816
 2010-07-20 07:58:51 +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 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
David Greene 3cd87cc5ee Remove an assumption of default arguments. This is in anticipation of a 
change to SelectionDAG build APIs.

llvm-svn: 96233
 2010-02-15 16:56:10 +00:00
Bruno Cardoso Lopes d59cddc098 Add suport for VASTART on Mips. 
llvm-svn: 95506
 2010-02-06 21:00:02 +00:00
Bruno Cardoso Lopes d6fff557db First step towards varargs support in Mips: 
- o32 cc must pass all arguments in A0...A3 and stack regardless
if its type (but respect the alignment).
- Store all variable arguments back to the caller stack.

llvm-svn: 95500
 2010-02-06 19:20:49 +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
Bruno Cardoso Lopes 193e64c699 Fix PR6144. Reload GP before the emission of CALLSEQ_END to guarantee the right reload order 
llvm-svn: 94915
 2010-01-30 18:32:07 +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
Chris Lattner 547c761dd6 eliminate the TargetLowering::UsesGlobalOffsetTable bool, which is 
subsumed by TargetLowering::getJumpTableEncoding().  Change uses of
it to be more specific.

llvm-svn: 94529
 2010-01-26 06:53:37 +00:00
Bruno Cardoso Lopes 2db07581b7 Support PIC loading of constant pool entries 
llvm-svn: 89863
 2009-11-25 12:17:58 +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
Bruno Cardoso Lopes 537e409c58 - Fix a small bug while handling target constant pools (one param was missing). 
- Add a smarter constant pool loading, instead of:

lui $2, %hi($CPI1_0)
addiu $2, $2, %lo($CPI1_0)
lwc1 $f0, 0($2)

Generate:

lui $2, %hi($CPI1_0)
lwc1 $f0, %lo($CPI1_0)($2)

llvm-svn: 88886
 2009-11-16 04:33:42 +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