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158 Commits

Author SHA1 Message Date
Dale Johannesen dd33104203 Move dbg_value generation to target-independent FastISel, 
as X86 is currently the only FastISel target.  Per review.

llvm-svn: 97255
 2010-02-26 20:01:55 +00:00
Dale Johannesen 654528e8a7 Generate DBG_VALUE from dbg.value intrinsics. These currently 
comes out as comments but will eventually generate DWARF.

llvm-svn: 96601
 2010-02-18 18:51:15 +00:00
Duncan Sands 9dff9bec31 Uniformize the names of type predicates: rather than having isFloatTy and 
isInteger, we now have isFloatTy and isIntegerTy.  Requested by Chris!

llvm-svn: 96223
 2010-02-15 16:12:20 +00:00
Chris Lattner 2b0a7a2592 refactor the conditional jump instructions in the .td file to 
use a multipattern that generates both the 1-byte and 4-byte 
versions from the same defm

llvm-svn: 95901
 2010-02-11 19:25:55 +00:00
Chris Lattner b06015aa69 move target-independent opcodes out of TargetInstrInfo 
into TargetOpcodes.h.  #include the new TargetOpcodes.h
into MachineInstr.  Add new inline accessors (like isPHI())
to MachineInstr, and start using them throughout the 
codebase.

llvm-svn: 95687
 2010-02-09 19:54:29 +00:00
Dan Gohman 3464a5b609 Rename the PerformTailCallOpt variable to GuaranteedTailCallOpt to reflect 
its current purpose.

llvm-svn: 95564
 2010-02-08 20:27:50 +00:00
Dale Johannesen ad00f03e86 Add assertion to humor the paranoid. 
llvm-svn: 94843
 2010-01-29 21:21:28 +00:00
Evan Cheng d10089a5b4 Restore to pre-94570 state. 
llvm-svn: 94625
 2010-01-27 00:00:57 +00:00
Evan Cheng 75766332f9 Ignore 'forced' tailcall opt in fastisel mode. 
llvm-svn: 94617
 2010-01-26 23:28:40 +00:00
Evan Cheng 8703c412f4 Code refactoring, no functionality change. 
llvm-svn: 94570
 2010-01-26 19:04:47 +00:00
Dale Johannesen d5575f29f1 Generate DEBUG_VALUE comments on x86. The (limited) 
dbg.declare's we currently generate go through both
register allocators without perturbing the results.

llvm-svn: 94480
 2010-01-26 00:09:58 +00:00
Dale Johannesen a3db6ef9a2 Revert 93811 per request. 
llvm-svn: 93818
 2010-01-19 00:10:52 +00:00
Dale Johannesen 0c90d43b70 Enable code to emit dbg.declare as DEBUG_VALUE 
comments (fast isel, X86).  This doesn't seem
to break any functionality, but will introduce
cases where -g affects the generated code.  I'll
be fixing that.

llvm-svn: 93811
 2010-01-18 23:34:55 +00:00
Eric Christopher 7eb6e0ffd6 Have FastISel handle llvm.trap(). 
llvm-svn: 93781
 2010-01-18 22:11:29 +00:00
Duncan Sands b7168c270e Revert commit 93204, since it causes the assembler to barf 
on x86-64 linux with messages like this:
Error: Incorrect register `%r14' used with `l' suffix

llvm-svn: 93242
 2010-01-12 17:46:16 +00:00
Evan Cheng 42b07e9600 Add manual ISD::OR fastisel selection routines. TableGen is no longer autogen them after 93152 and 93191. 
llvm-svn: 93204
 2010-01-11 22:59:27 +00:00
Dan Gohman 40ea3e5ce2 Reword this comment to reference a more fundamental issue. 
llvm-svn: 93154
 2010-01-11 17:14:46 +00:00
Eric Christopher 7482ad7272 After further thought revert the patch to make fast-isel avoid 
putting relocations into the constant pool - this isn't needed
for correctness and in the rare occasion it happens would pull
us out of fast isel for the block.

If fast-isel application startup time ever becomes an issue we
can add better support for these addresses instead of bailing.

llvm-svn: 92995
 2010-01-08 08:24:49 +00:00
Eric Christopher e0297b9206 Remove extraneous include. 
llvm-svn: 92972
 2010-01-08 00:05:33 +00:00
Eric Christopher 9f569bdf38 If the data requires a relocation then don't attempt to 
add it to the constant pool for fast-isel. We already
don't add it for the normal case.

llvm-svn: 92934
 2010-01-07 19:45:14 +00:00
Benjamin Kramer a81a6dff0d Convert a ton of simple integer type equality tests to the new predicate. 
llvm-svn: 92760
 2010-01-05 20:07:06 +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
Chris Lattner fdd8790718 strength reduce a ton of type equality tests to check the typeid (Through 
the new predicates I added) instead of going through a context and doing a
pointer comparison.  Besides being cheaper, this allows a smart compiler
to turn the if sequence into a switch.

llvm-svn: 83297
 2009-10-05 05:54:46 +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
Dan Gohman 7f0ca9a34c X86FastISel support for loading and storing values of type i1. 
llvm-svn: 80186
 2009-08-27 00:31:47 +00:00
Owen Anderson 55f1c09e31 Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +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
Dan Gohman 8c79569853 Teach X86FastISel how to handle CCValAssign::BCvt, which is used for 
MMX arguments. This fixes PR4684.

llvm-svn: 78163
 2009-08-05 05:33:42 +00:00
Owen Anderson 5a1acd9912 Move a few more APIs back to 2.5 forms. The only remaining ones left to change back are 
metadata related, which I'm waiting on to avoid conflicting with Devang.

llvm-svn: 77721
 2009-07-31 20:28:14 +00:00
Owen Anderson 47db941fd3 Get rid of the Pass+Context magic. 
llvm-svn: 76702
 2009-07-22 00:24:57 +00:00
Torok Edwin fbcc663cbf llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00
Owen Anderson 53a52215b5 Begin the painful process of tearing apart the rat'ss nest that is Constants.cpp and ConstantFold.cpp. 
This involves temporarily hard wiring some parts to use the global context.  This isn't ideal, but it's
the only way I could figure out to make this process vaguely incremental.

llvm-svn: 75445
 2009-07-13 04:09:18 +00:00
Torok Edwin 56d0659726 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379
 2009-07-11 20:10:48 +00:00
Chris Lattner 25e7f91559 code model is never set to default. 
llvm-svn: 75278
 2009-07-10 21:03:06 +00:00
Chris Lattner 21c2940553 remove the now-dead TM argument to these methods. 
llvm-svn: 75276
 2009-07-10 21:00:45 +00:00
Chris Lattner e2f524f176 add a couple of predicates to test for "stub style pic in PIC mode" and "stub style pic in dynamic-no-pic" mode. 
llvm-svn: 75273
 2009-07-10 20:47:30 +00:00
Chris Lattner 20073edf67 simplify fast isel by using ClassifyGlobalReference. This 
elimiantes the last use of GVRequiresExtraLoad, so delete it.

llvm-svn: 75244
 2009-07-10 07:48:51 +00:00
Chris Lattner b9af63a4d2 GVRequiresExtraLoad is now never used for calls, simplify it based on this. 
llvm-svn: 75232
 2009-07-10 05:52:02 +00:00
Chris Lattner ace6ec26d9 actually, just eliminate PCRelGVRequiresExtraLoad. It makes the code 
more complex and slow than just directly testing what we care about.

llvm-svn: 75231
 2009-07-10 05:48:03 +00:00
Chris Lattner 7277a807f0 There is only one case where GVRequiresExtraLoad returns true for calls: 
split its handling out to PCRelGVRequiresExtraLoad, and simplify code
based on this.

llvm-svn: 75230
 2009-07-10 05:45:15 +00:00
Chris Lattner 8212d37e7d split call handling out of X86SelectAddress into X86SelectCallAddress 
llvm-svn: 75228
 2009-07-10 05:33:42 +00:00
Owen Anderson 0504e0a222 Thread LLVMContext through MVT and related parts of SDISel. 
llvm-svn: 75153
 2009-07-09 17:57:24 +00:00
Chris Lattner 72e3deca47 move reasoning about darwin $non_lazy_ptr stubs from asmprinter into 
isel.

llvm-svn: 75117
 2009-07-09 06:59:17 +00:00
Chris Lattner 770e0429be rearrange some code, no functionality change. 
llvm-svn: 75113
 2009-07-09 06:41:35 +00:00
Chris Lattner c58f1fb0df make direct calls set MO_PLT or MO_DARWIN_STUB as appropriate with fast isel. 
llvm-svn: 75112
 2009-07-09 06:34:26 +00:00
Chris Lattner fef11d6e77 simplify some code based on the fact that picstyles != none are only valid 
in pic or dynamic-no-pic mode. Also, x86-64 never used picstylegot.

llvm-svn: 75101
 2009-07-09 04:39:06 +00:00
Chris Lattner 87bb642676 @GOTPCREL is also rip-relative. Fix fast-isel to do the right thing. 
This fixes an llvm-gcc bootstrap problem I introduced.

llvm-svn: 74691
 2009-07-02 04:22:01 +00:00
Chris Lattner d1c5951615 Fix yet-another bug I introduced into fastisel, this time handling 
constant pool references that weren't getting properly rip-relative.

llvm-svn: 74689
 2009-07-02 03:14:25 +00:00
Dan Gohman 43f33dd550 Fix a bunch of other places that used operator[] to test whether 
a key is present in a std::map or DenseMap to use find instead.

llvm-svn: 74676
 2009-07-02 00:17:47 +00:00