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Author SHA1 Message Date
Chris Lattner
72bc70d499 Make IsValueFullyAvailableInBlock safe. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60588 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 07:49:08 +00:00
Chris Lattner
7f50863e52 add a new pop_back_val method which returns the value popped. This is 
heretical from a STL standpoint, but is oh-so-useful for things that 
can't throw exceptions when copied, like, well, everything in LLVM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60587 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 07:11:05 +00:00
Dan Gohman
2ce7f2068f Drop the reg argument to isRegReDefinedByTwoAddr, which was redundant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60586 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 05:45:42 +00:00
Dan Gohman
4c0d951780 Update comments. There is no getArgumentAccesses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60585 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 05:35:21 +00:00
Dan Gohman
9bf23b5452 Teach StackSlotColoring to update MachineMemOperands when 
changing the stack slots on an instruction, to keep them
consistent with the actual memory addresses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60584 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 05:31:14 +00:00
Dan Gohman
490b1833a9 Ignore IMPLICIT_DEF instructions when computing physreg liveness. 
While they appear to provide a normal clobbering def, they don't
in the case of the awkward IMPLICIT_DEF+INSERT_SUBREG idiom. It
would be good to change INSERT_SUBREG; until then, this change
allows post-regalloc scheduling to cope in a mildly conservative
way.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60583 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 05:30:02 +00:00
Evan Cheng
ae94e59416 Re-did 60519. It turns out Darwin's handling of hidden visibility symbols are a bit more complicate than I expected. Both declarations and weak definitions still need a stub indirection. However, the stubs are in data section and they contain the addresses of the actual symbols. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60571 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 01:06:39 +00:00
Scott Michel
cd730fa337 CellSPU: Add new directory under tests/CodeGen/CellSPU to retain tests that 
aren't part of the test suite but are generally useful nonetheless, and can
be expanded later to test the backend against the actual Cell SPU system.

There's basically no other good place to put this code, so put it here for
the time being.

- vecoperations.c: Vector shuffles for all supported vector types, tests
  for v16i8 add and multiply.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60566 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-05 00:01:00 +00:00
Ted Kremenek
d75ba1c357 Have raw_fd_ostream keep track of the position in the file to make tell() go faster by not requiring a flush(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60560 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 22:51:11 +00:00
Devang Patel
4d6e2331c3 Enable LoopIndexSplit pass. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60555 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 21:40:31 +00:00
Devang Patel
3831005eb1 Rewrite code that 1) filters loops and 2) calculates new loop bounds. 
This fixes many bugs. I will add more test cases in a separate check-in.

Some day, the code that manipulates CFG and updates dom. info could use refactoring help.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60554 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 21:38:42 +00:00
Owen Anderson
6002e993e0 Factor out some common code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60553 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 21:20:30 +00:00
Scott Michel
cc18827f59 CellSPU: Fix bug 3055 
- Add v4f32, v2f64 to LowerVECTOR_SHUFFLE
- Look for vector rotate in shuffle elements, generate a vector rotate
  instead of a full-blown shuffle when opportunity presents itself.
- Generate larger test harness and fix a few interesting but obscure bugs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60552 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 21:01:44 +00:00
Duncan Sands
9304f2c294 When allocating a stack temporary, use the correct 
number of bytes for types such as i1 which are not
a multiple of 8 bits in length.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60543 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 18:08:40 +00:00
Scott Michel
23f2ff74b1 Missing closing brace and reverse conditional condition on NDEBUG 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60541 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 17:16:59 +00:00
Chris Lattner
3cda3cdab1 Start simplifying a switch that has a successor that is a switch. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60534 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 06:31:07 +00:00
Chris Lattner
d021901b09 This code is apparently quite confused. In the meantime, 
get it building when NDEBUG is set.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60532 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 06:14:27 +00:00
Bill Wendling
a8103dad4e Temporarily revert r60519. It was causing a bootstrap failure: 
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -DHAVE_CONFIG_H -I. -I../../../llvm-gcc.src/libgomp -I. -I../../../llvm-gcc.src/libgomp/config/posix -I../../../llvm-gcc.src/libgomp -Wall -pthread -Werror -O2 -g -O2 -MT barrier.lo -MD -MP -MF .deps/barrier.Tpo -c ../../../llvm-gcc.src/libgomp/barrier.c  -fno-common -DPIC -o .libs/barrier.o
checking for sys/file.h... /var/folders/zG/zGE-ZJOGFiGjv0B5cs5oYE+++TM/-Tmp-//cc34Jg5P.s:13:non-relocatable subtraction expression, "_gomp_tls_key" minus "L1$pb"
/var/folders/zG/zGE-ZJOGFiGjv0B5cs5oYE+++TM/-Tmp-//cc34Jg5P.s:13:symbol: "_gomp_tls_key" can't be undefined in a subtraction expression
make[4]: *** [barrier.lo] Error 1
make[4]: *** Waiting for unfinished jobs....
/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/xgcc -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.obj/./gcc/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/bin/ -B/Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/lib/ -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/include -isystem /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm-gcc.install/i386-apple-darwin9.5.0/sys-include -DHAVE_CONFIG_H -I. -I../../../llvm-gcc.src/libgomp -I. -I../../../llvm-gcc.src/libgomp/config/posix -I../../../llvm-gcc.src/libgomp -Wall -pthread -Werror -O2 -g -O2 -MT alloc.lo -MD -MP -MF .deps/alloc.Tpo -c ../../../llvm-gcc.src/libgomp/alloc.c -o alloc.o >/dev/null 2>&1
yes
checking for sys/param.h... make[3]: *** [all-recursive] Error 1
make[2]: *** [all] Error 2
make[1]: *** [all-target-libgomp] Error 2
make[1]: *** Waiting for unfinished jobs....



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60527 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 04:07:00 +00:00
Scott Michel
30ee7df71c CellSPU: 
- First patch from Nehal Desai, a new contributor at Aerospace. Nehal's patch
  fixes sign/zero/any-extending loads for integers and floating point. Example
  code, compiled w/o debugging or optimization where he first noticed the bug:

  int main(void) {
    float a = 99.0;
    printf("%d\n", a);
    return 0;
  }

  Verified that this code actually works on a Cell SPU.

Changes by Scott Michel:
- Fix bug in the value type list constructed by SPUISD::LDRESULT to include
  both the load result's result and chain, not just the chain alone.
- Simplify LowerLOAD and remove extraneous and unnecessary chains.
- Remove unused SPUISD pseudo instructions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60526 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 03:02:42 +00:00
Dan Gohman
80e201b8db Use register names instead of numbers in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60525 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 02:15:26 +00:00
Dan Gohman
b29ffc8870 Make debug output more informative. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60524 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 02:14:57 +00:00
Evan Cheng
eb83dfde66 Visibility hidden GVs do not require extra load of symbol address from the GOT or non-lazy-ptr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 01:56:50 +00:00
Dan Gohman
6a9041e5ca Add minimal support for disambiguating memory references. Currently 
the main thing this covers is spills to distinct spill slots.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60517 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 01:35:46 +00:00
Chris Lattner
77ee977fcf add a debugging option to help track down j-t problems. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60514 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-04 00:07:59 +00:00
Dan Gohman
cef874ae2b Rewrite the liveness bookkeeping code to fix a bunch of 
issues with subreg operands and tied operands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60510 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 23:07:27 +00:00
Dale Johannesen
1bdd93a3dc Make the debugging dump be a full line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60509 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 22:45:31 +00:00
Dale Johannesen
308f24d452 Remove an unused field. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60508 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 22:43:56 +00:00
Dan Gohman
d71703deec Have PseudoSourceValue override Value::dump, so that it works 
on PseudoSourceValue values. This also fixes a FIXME in
lib/VMCode/AsmWriter.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60507 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 21:37:21 +00:00
Dale Johannesen
544e0d0e52 Fix a misspelled function name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60506 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 20:56:12 +00:00
Chris Lattner
29874e0dc6 Factor some code into a new FoldSingleEntryPHINodes method. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60501 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:44:02 +00:00
Dan Gohman
e96cc775e4 Fix an inconsistency in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60500 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:38:38 +00:00
Evan Cheng
62fb4f2e1c Use mmx (punpckldq VR64, (mmx_v_set0)) to clear high 32-bits of a VR64 register. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60499 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:38:05 +00:00
Dan Gohman
e561751e98 Don't charge the full latency for anti and output dependencies. This is 
an area where eventually it would be good to use target-dependent
information.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60498 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:37:34 +00:00
Dale Johannesen
f94a327361 A step towards geting linux ppc to work (see PR 3099) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60497 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:33:10 +00:00
Dan Gohman
0dba0e5408 When looking for anti-dependences on the critical path, don't bother 
examining non-anti-dependence edges.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60496 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:32:26 +00:00
Dan Gohman
ebb0a31103 Add a comment about callee-saved registers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60495 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:30:13 +00:00
Dale Johannesen
67c7989294 Fix a really wrong comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60494 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:25:46 +00:00
Chris Lattner
7c99f49368 fix a really incorrect comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60492 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 19:18:54 +00:00
Dan Gohman
c54baa2d43 Split foldMemoryOperand into public non-virtual and protected virtual 
parts, and add target-independent code to add/preserve
MachineMemOperands.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60488 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 18:43:12 +00:00
Dan Gohman
15511cf166 Rename isSimpleLoad to canFoldAsLoad, to better reflect its meaning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60487 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 18:15:48 +00:00
Dan Gohman
8cf7713753 Extend X86's addFrameReference to add a MachineMemOperand for 
the frame reference. This will help post-RA scheduling determine
that spills to distinct stack slots are independent.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60486 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 18:11:40 +00:00
Rafael Espindola
3eda88ed9f Fix some tests. The grep for "il" was matching "file". 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60485 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 17:14:56 +00:00
Dan Gohman
f033b5a393 Update a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60484 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 17:10:41 +00:00
Duncan Sands
8b8e5a7f96 Only check that the result of the mapping was not 
a new node if the node was actually remapped.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60482 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 12:36:16 +00:00
Rafael Espindola
952b839ce9 Fix bug 3140. 
Print a single parameter .file directive if we have an ELF target.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60480 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 11:01:37 +00:00
Richard Osborne
269bc0042f Add support for ISD::TRAP to the XCore backend 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60479 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 10:59:16 +00:00
Evan Cheng
370e5340a5 Refactor code. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60478 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 08:38:43 +00:00
Bill Wendling
0ea25cb941 CC should only be a ConstantSDNode at this point. Just use 'cast' instead of 'dyn_cast'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60477 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 08:32:02 +00:00
Evan Cheng
c19065150b Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 08:20:45 +00:00
Chris Lattner
2a5dc33c57 testcase for br undef folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:48:27 +00:00