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82482944ed
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20255 Commits

Author SHA1 Message Date
Dan Gohman
82482944ed TargetAsmInfo::getAddressSize() was incorrect for x86-64 and 64-bit targets 
other than PPC64. Instead of fixing it, just remove it and fix all the
places that use it to use TargetData::getPointerSize() instead, as there
aren't very many. Most of the references were in DwarfWriter.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42419 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 23:12:31 +00:00
Gordon Henriksen
fc3282221f CollectorMetadata abstractly describes stack maps for a function. 
It includes:

 - location and of each safe point in machine code (identified by a
   label)
 - location of each root within the stack frame (identified by an
   offset), including the metadata tag provided to llvm.gcroot in
   the user program
 - size of the stack frame (for collectors which want to cheat on
   stack crawling :)
 - and eventually will include liveness

It is to be populated by back-ends during code-generation.

CollectorModuleMetadata aggregates this information across the
entire module.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42418 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 22:18:46 +00:00
Evan Cheng
3f2d9ec186 Use GR64 in 64-bit mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42417 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 21:50:05 +00:00
Gordon Henriksen
d9900c9442 My previous Registry.h header, as well as Collectors.h, which is the 
registry for dynamically-loaded garbage collection compiler plugins.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42415 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 19:34:27 +00:00
Evan Cheng
1ed37fdb3b Doh. Calls clobber EFLAGS. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42413 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 19:01:55 +00:00
Evan Cheng
cd1c00cc65 Avoid inserting a live register more than once. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42410 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 18:46:06 +00:00
Daniel Berlin
c7a12ae24a Ignore redundant constraints 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42397 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 15:42:23 +00:00
Nick Lewycky
9a2f93121b Build the correct range for loops with unusual bounds. Fix from Jay Foad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42394 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 14:12:54 +00:00
Evan Cheng
64f638df56 Silence a compiler warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42389 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 07:35:39 +00:00
Evan Cheng
2dc7a0e075 Boogs. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42388 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 07:29:27 +00:00
Evan Cheng
a2ee2756f7 Be smarter about which node to force schedule. Reduce # of duplications + copies; Added statistics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42387 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 07:09:03 +00:00
Evan Cheng
6e4c46cea5 Backtracking only when it won't create a cycle. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42384 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-27 00:25:29 +00:00
Dale Johannesen
693717fbe6 Make temporaries explicit to avoid premature 
destruction of compiler-created ones.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42383 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 23:20:33 +00:00
Evan Cheng
42d60274ea - Move getPhysicalRegisterRegClass() from ScheduleDAG to MRegisterInfo. 
- Added ability to emit cross class register copies to the BBRU scheduler.
- More aggressive backtracking.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42375 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:36:17 +00:00
Neil Booth
4f88170be0 Whitespace and compiler warning cleanup. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42373 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:33:42 +00:00
Evan Cheng
ff11026575 - Added MRegisterInfo::getCrossCopyRegClass() hook. For register classes where reg to reg copies are not possible, this returns another register class which registers in the specified register class can be copied to (and copy back from). 
- X86 copyRegToReg() now supports copying between EFLAGS and GR32 / GR64 registers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42372 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:31:07 +00:00
Evan Cheng
bf4f89dc00 Some assemblers do not recognize aliases pushfd, pushfq, popfd, and popfq. Just emit them as pushf and popf. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42371 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:28:00 +00:00
Dale Johannesen
2f42901dff Enable codegen for long double abs, sin, cos 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42368 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 21:10:55 +00:00
Gordon Henriksen
46abf91f73 Added C and Ocaml bindings for functions, basic blocks, and 
instruction creation. No support yet for instruction introspection.

Also eliminated allocas from the Ocaml bindings for portability,
and avoided unnecessary casts.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42367 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 20:56:12 +00:00
Dale Johannesen
f41db2136f Fix f80 UNDEF. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42359 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 17:26:49 +00:00
Evan Cheng
8d5562be30 Typos: POPQ -> POPFQ, POPD -> POPFD. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42348 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:38:29 +00:00
Chris Lattner
1efa1696e3 move PR1160 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42347 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:29:31 +00:00
Evan Cheng
9efce638d3 Allow copyRegToReg to emit cross register classes copies. 
Tested with "make check"!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42346 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:25:56 +00:00
Chris Lattner
61001b8bd4 move PR1264 here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42345 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 06:15:48 +00:00
Evan Cheng
2f245ba572 Add pushf{d|q}, popf{d|q} to push and pop EFLAGS register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42335 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 01:29:06 +00:00
Evan Cheng
1a35edba13 translateX86CC updates the last two operands. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42333 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 00:45:55 +00:00
Anton Korobeynikov
29be8486e3 Correctly restore stack pointer after realignment in main() on Cygwin/Mingw32 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42332 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-26 00:13:34 +00:00
Dale Johannesen
350add8f51 Remove no-longer-used variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42329 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 23:32:20 +00:00
Dale Johannesen
0edc47ad7b Make APFloat->int conversions deterministic even in 
cases with undefined behavior.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42328 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 23:07:07 +00:00
Evan Cheng
fdd0837448 Missing load / store folding entries. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42323 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 22:10:43 +00:00
Anton Korobeynikov
2fe1259d0a Partly revert invalid r41774 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42322 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 21:52:30 +00:00
Dan Gohman
677ccc6e8b More explicit keywords. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42316 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 20:27:06 +00:00
Duncan Sands
2a3876d885 Add a newline to the end of this file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42314 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 20:08:48 +00:00
Dan Gohman
b94fc1bcb2 Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42313 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 19:37:26 +00:00
Evan Cheng
4e4d2d7d9a New style x87 cmp instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42312 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 19:08:02 +00:00
Devang Patel
a6dff2faeb Handle multiple induction variables. 
This fixes PR714.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42309 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 18:24:48 +00:00
Dan Gohman
a37c9f7506 When both x/y and x%y are needed (x and y both scalar integer), compute 
both results with a single div or idiv instruction. This uses new X86ISD
nodes for DIV and IDIV which are introduced during the legalize phase
so that the SelectionDAG's CSE can automatically eliminate redundant
computations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42308 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 18:23:27 +00:00
Devang Patel
798b4afd48 Do not reserve DOM check for GetElementPtrInst. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42306 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:55:50 +00:00
Devang Patel
1c01350f0f doh.. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42300 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:43:08 +00:00
Devang Patel
453a844128 Add transformation to update loop interation space. Now, 
for (i=A; i<N; i++) {
  if (i < X && i > Y)
    do_something();
}

is transformed into

U=min(N,X); L=max(A,Y);
for (i=L;i<U;i++)
  do_somethihg();                            



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42299 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:31:19 +00:00
Dale Johannesen
902ff94aff Fix long double<->shorter FP type conversions 
of zero, infinity, and NaNs.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42298 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 17:25:00 +00:00
Dan Gohman
c3b0b5ca1d Move the setOperationAction(ISD::DEBUG_LOC, MVT::Other, Expand) and 
the check to see if the assembler supports .loc from X86TargetLowering
into the superclass TargetLowering.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42297 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 15:10:49 +00:00
Duncan Sands
db1b3e08bc Add missing end-of-file newlines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42294 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 07:10:01 +00:00
Evan Cheng
0488db9b99 Added support for new condition code modeling scheme (i.e. physical register dependency). These are a bunch of instructions that are duplicated so the x86 backend can support both the old and new schemes at the same time. They will be deleted after 
all the kinks are worked out.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42285 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 01:57:46 +00:00
Evan Cheng
a6fb1b6743 Added major new capabilities to scheduler (only BURR for now) to support physical register dependency. The BURR scheduler can now backtrace and duplicate instructions in order to avoid "expensive / impossible to copy" values (e.g. status flag EFLAGS for x86) from being clobbered. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42284 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 01:54:36 +00:00
Evan Cheng
a3602685b3 New temporary option -new-cc-modeling-scheme to test the new cc modeling scheme. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42283 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 01:50:04 +00:00
Evan Cheng
d23aa5a053 Rename keyword "modify" -> "implicit". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42282 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-25 01:48:59 +00:00
Dale Johannesen
48d1e4517e When mixing SSE and x87 codegen, it's possible to 
have situations where an SSE instruction turns into
multiple blocks, with the live range of an x87
register crossing them.  To do this correctly make
sure we examine all blocks when inserting
FP_REG_KILL.  PR 1697.  (This was exposed by my
fix for PR 1681, but the same thing could happen
mixing x87 long double with SSE.)



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42281 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 22:52:39 +00:00
Bill Wendling
cab5f5d269 Don't execute dump unless NDEBUG isn't defined. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42280 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 22:43:48 +00:00
Daniel Berlin
e6f0479aee Comment fixups 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42279 91177308-0d34-0410-b5e6-96231b3b80d8
 2007-09-24 22:20:45 +00:00