Commit Graph

25845 Commits

Author SHA1 Message Date
Chris Lattner a3fbff15b9 another minor tweak
llvm-svn: 60010
2008-11-25 04:47:41 +00:00
Chris Lattner d616ef5683 minor cleanups no functionality change.
llvm-svn: 60009
2008-11-25 04:42:10 +00:00
Scott Michel 8e17d02a1e CellSPU: Relax constraints on when to generate a X-form address, evidently
they were too tight according to bug 3126.

Fix bug 3126.

llvm-svn: 60006
2008-11-25 04:03:47 +00:00
Dan Gohman ad2134d45d Initial support for anti-dependence breaking. Currently this code does not
introduce any new spilling; it just uses unused registers.

Refactor the SUnit topological sort code out of the RRList scheduler and
make use of it to help with the post-pass scheduler.

llvm-svn: 59999
2008-11-25 00:52:40 +00:00
Scott Michel 524c284aef CellSPU: Fix mnemonic typo in pattern; "shlqbyi" -> "shlqby".
llvm-svn: 59998
2008-11-25 00:23:16 +00:00
Chris Lattner 6416a6b7a0 rearrange and tidy some code, no functionality change.
llvm-svn: 59990
2008-11-24 22:44:16 +00:00
Chris Lattner d917c8c8fe minor cleanups to debug code, no functionality change.
llvm-svn: 59989
2008-11-24 22:40:05 +00:00
Chris Lattner d78894197a reenable the right part of the code.
llvm-svn: 59985
2008-11-24 21:26:21 +00:00
Chris Lattner 992a541002 revert an accidental commit, this fixes the regression on test/CodeGen/X86/isel-sink.ll
llvm-svn: 59976
2008-11-24 19:40:34 +00:00
Chris Lattner 53d6a07869 Fix 3113: If we have a dead cyclic PHI, replace the whole thing
with an undef.

llvm-svn: 59972
2008-11-24 19:25:36 +00:00
Bill Wendling 66835479d7 - Make lowering of "add with overflow" customizable by back-ends.
- Mark "add with overflow" as having a custom lowering for X86. Give it a null
  lowering representation for now.

llvm-svn: 59971
2008-11-24 19:21:46 +00:00
Scott Michel 2e5df906f8 CellSPU:
(a) Slight rethink on i64 zero/sign/any extend code - use a shuffle to
    directly zero-extend i32 to i64, but use rotates and shifts for
    sign extension. Also ensure unified register consistency.
(b) Add new test harness for i64 operations: i64ops.ll

llvm-svn: 59970
2008-11-24 18:20:46 +00:00
Dan Gohman 5cc12a8e31 Check in the rest of this change. The isAntiDep flag needs to be passed
to removePred because an SUnit can both data-depend and anti-depend
on the same SUnit.

llvm-svn: 59969
2008-11-24 17:33:52 +00:00
Dan Gohman d2b10368ed Pass the isAntiDep argument.
llvm-svn: 59968
2008-11-24 17:24:27 +00:00
Dan Gohman 11e4be3717 Run post-RA scheduling after branch folding, as it tends to
obscure tail-merging opportunities.

llvm-svn: 59967
2008-11-24 17:22:52 +00:00
Scott Michel efc8c7a292 CellSPU:
(a) Improve the extract element code: there's no need to do gymnastics with
    rotates into the preferred slot if a shuffle will do the same thing.
(b) Rename a couple of SPUISD pseudo-instructions for readability and better
    semantic correspondence.
(c) Fix i64 sign/any/zero extension lowering.

llvm-svn: 59965
2008-11-24 17:11:17 +00:00
Matthijs Kooijman 1dc8363d95 Minor fix debug for register allocation debug output.
llvm-svn: 59961
2008-11-24 16:01:21 +00:00
Duncan Sands dc2dac181a If the type legalizer actually legalized anything
(this doesn't happen that often, since most code
does not use illegal types) then follow it by a
DAG combiner run that is allowed to generate
illegal operations but not illegal types.  I didn't
modify the target combiner code to distinguish like
this between illegal operations and illegal types,
so it will not produce illegal operations as well
as not producing illegal types.

llvm-svn: 59960
2008-11-24 14:53:14 +00:00
Matthijs Kooijman 75339657bd Fix comments.
llvm-svn: 59958
2008-11-24 11:44:00 +00:00
Evan Cheng 977e7be9d4 Move target independent td files from lib/Target/ to include/llvm/Target so they can be distributed along with the header files.
llvm-svn: 59953
2008-11-24 07:34:46 +00:00
Evan Cheng a8fd1f2c8e Eliminate some unused variable compile time warnings.
llvm-svn: 59952
2008-11-24 07:09:49 +00:00
Nick Lewycky d59572cb22 Seriously strengthen the guarantee offered by noalias on a function's return
value. It must now be as if the pointer were allocated and has not escaped to
the caller. Thanks to Dan Gohman for pointing out the error in the original
and helping devise this definition.

llvm-svn: 59940
2008-11-24 05:00:44 +00:00
Nick Lewycky f5ffcbcd0b Extend the 'noalias' attribute to function return values. This is intended to
indicate functions that allocate, such as operator new, or list::insert. The
actual definition is slightly less strict (for now).

No changes to the bitcode reader/writer, asm printer or verifier were needed.

llvm-svn: 59934
2008-11-24 03:41:24 +00:00
Mon P Wang 35a70ec131 Added missing description for -disable-mmx option.
llvm-svn: 59929
2008-11-24 02:10:43 +00:00
Bill Wendling 2278f8f5e1 Add support for llvm.uadd.with.overflow.
llvm-svn: 59926
2008-11-24 01:38:29 +00:00
Duncan Sands 8d6e2e13d5 Rename SetCCResultContents to BooleanContents. In
practice these booleans are mostly produced by SetCC,
however the concept is more general.

llvm-svn: 59911
2008-11-23 15:47:28 +00:00
Chris Lattner ddd7581c73 Make JIT::runFunction handle functions with non-C calling conventions.
llvm-svn: 59904
2008-11-23 08:00:11 +00:00
Mon P Wang 0aa8f0a549 Added -disable-mmx using a patch from Preston Gurd.
llvm-svn: 59901
2008-11-23 04:37:22 +00:00
Mon P Wang 2967480f54 Added check to avoid generating extract subvector beyond the end of the vector when normalizing vector shuffles.
llvm-svn: 59900
2008-11-23 04:35:05 +00:00
Scott Michel 0be0339baa CellSPU: Fix bug 3056. Varadic extract_element was not implemented (nor was it
ever conceived to occur).

llvm-svn: 59891
2008-11-22 23:50:42 +00:00
Anton Korobeynikov bff4b37af5 Make a convenient helper for printing offsets.
llvm-svn: 59872
2008-11-22 16:15:34 +00:00
Bill Wendling 5424e6d4ec Cleanup of the [SU]ADDO type legalization code. Patch by Duncan!
"It simplifies the type legalization part a bit, and produces better code by
teaching SelectionDAG about the extra bits in an i8 SADDO/UADDO node.  In
essence, I spontaneously decided that on x86 this i8 boolean result would be
either 0 or 1, and on other platforms 0/1 or 0/-1, depending on whether the
platform likes it's boolean zero extended or sign extended."

llvm-svn: 59864
2008-11-22 07:24:01 +00:00
Bill Wendling be8e7f851c - Move conversion of [SU]ADDO from DAG combiner into legalizer.
- Add "promote integer type" stuff to the legalizer for these nodes.

llvm-svn: 59847
2008-11-22 00:22:52 +00:00
Devang Patel 702f45df58 Fix build failure.
llvm-svn: 59844
2008-11-21 21:00:20 +00:00
Devang Patel cb181bb203 Silence unused variable warnings.
llvm-svn: 59841
2008-11-21 20:00:59 +00:00
Dan Gohman 57d0b88830 Correctly set the isCtrl flag for chain dependencies.
llvm-svn: 59837
2008-11-21 19:17:25 +00:00
Dan Gohman 546bcfe8d6 Update comments.
llvm-svn: 59836
2008-11-21 19:16:58 +00:00
Dan Gohman 8dfa51c5ef Update comments.
llvm-svn: 59834
2008-11-21 19:10:41 +00:00
Chris Lattner dd7083452f reapply Sanjiv's patch to genericize memcpy/memset/memmove to take an
arbitrary integer width for the count.

llvm-svn: 59823
2008-11-21 16:42:48 +00:00
Bill Wendling 4bce2bff88 Revert r59802. It was breaking the build of llvm-gcc:
g++ -m32 -c -g -DIN_GCC -W -Wall -Wwrite-strings -Wmissing-format-attribute -fno-common -mdynamic-no-pic -DHAVE_CONFIG_H -Wno-unused -DTARGET_NAME=\"i386-apple-darwin9.5.0\" -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include -DENABLE_LLVM -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/../llvm.src/include  -D_DEBUG  -D_GNU_SOURCE -D__STDC_LIMIT_MACROS -D__STDC_CONSTANT_MACROS   -I. -I. -I../../llvm-gcc.src/gcc -I../../llvm-gcc.src/gcc/. -I../../llvm-gcc.src/gcc/../include -I./../intl -I../../llvm-gcc.src/gcc/../libcpp/include  -I../../llvm-gcc.src/gcc/../libdecnumber -I../libdecnumber -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.obj/include -I/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/include ../../llvm-gcc.src/gcc/llvm-types.cpp -o llvm-types.o
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemCpy(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1496: error: 'memcpy_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemMove(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1512: error: 'memmove_i64' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp: In member function 'void TreeToLLVM::EmitMemSet(llvm::Value*, llvm::Value*, llvm::Value*, unsigned int)':
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i32' is not a member of 'llvm::Intrinsic'
../../llvm-gcc.src/gcc/llvm-convert.cpp:1528: error: 'memset_i64' is not a member of 'llvm::Intrinsic'
make[3]: *** [llvm-convert.o] Error 1
make[3]: *** Waiting for unfinished jobs....
rm fsf-funding.pod gcov.pod gfdl.pod cpp.pod gpl.pod gcc.pod
make[2]: *** [all-stage1-gcc] Error 2
make[1]: *** [stage1-bubble] Error 2
make: *** [all] Error 2

llvm-svn: 59809
2008-11-21 09:09:41 +00:00
Sanjiv Gupta 09a203765a Make mem[cpy,move,set] intrinsics overloaded.
llvm-svn: 59802
2008-11-21 07:49:09 +00:00
Bill Wendling 0b5be6c5e0 Default to converting UADDO to the generic form that SADDO is converted to.
llvm-svn: 59801
2008-11-21 07:44:30 +00:00
Nick Lewycky 07d726ec4d Optimize (x/y)*y into x-(x%y) in general. Div and rem are about the same, and
a subtract is cheaper than a multiply. This generalizes an existing transform.

llvm-svn: 59800
2008-11-21 07:33:58 +00:00
Mon P Wang c311360909 Clean up normalization of shuffles
llvm-svn: 59792
2008-11-21 04:25:21 +00:00
Scott Michel c6918c1ffa CellSPU:
(a) Fix bgs 3052, 3057
(b) Incorporate Duncan's suggestions re: i1 promotion
(c) Indentation updates.

llvm-svn: 59790
2008-11-21 02:56:16 +00:00
Bill Wendling 5eee74446d Combine the two add with overflow intrinsics lowerings. They differ only in DAG node type.
llvm-svn: 59788
2008-11-21 02:38:44 +00:00
Dan Gohman d7d1fd7eb7 Set the isAntiDep flag in the MachineInstr scheduler.
llvm-svn: 59787
2008-11-21 02:38:21 +00:00
Bill Wendling 87c175e629 Generate code for llvm.uadd.with.overflow intrinsic. No conversion support yet.
llvm-svn: 59786
2008-11-21 02:33:36 +00:00
Dan Gohman f00cef4491 Add a flag to SDep for tracking which edges are anti-dependence edges.
llvm-svn: 59785
2008-11-21 02:27:52 +00:00
Bill Wendling 8badb674eb Remove chains. Unnecessary.
llvm-svn: 59783
2008-11-21 02:22:59 +00:00