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Author SHA1 Message Date
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
Chris Lattner
421fa9e32e Teach jump threading some more simple tricks: 
1) have it fold "br undef", which does occur with
   surprising frequency as jump threading iterates.
2) teach j-t to delete dead blocks.  This removes the successor
   edges, reducing the in-edges of other blocks, allowing 
   recursive simplification.
3) Fold things like:
     br COND, BBX, BBY
  BBX:
     br COND, BBZ, BBW

   which also happens because jump threading iterates.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60470 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:48:08 +00:00
Chris Lattner
2973a25dbc third time is the charm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60469 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:45:15 +00:00
Chris Lattner
15efa1a1fd fix assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60468 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 07:43:05 +00:00
Chris Lattner
1ea7771e09 don't spew tons of stuff to the output. This testcase is *not* for 
loop deletion (it is for a ton of passes), which is very bad.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60465 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 06:41:50 +00:00
Chris Lattner
71af9b07a5 Rename DeleteBlockIfDead to DeleteDeadBlock and make it 
unconditionally delete the block.  All likely clients will
do the checking anyway.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 06:40:52 +00:00
Chris Lattner
2b1ba24fb7 Factor some code out of SimplifyCFG, forming a new 
DeleteBlockIfDead method.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60463 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 06:37:44 +00:00
Dan Gohman
62c939d7d5 Mark x86's V_SET0 and V_SETALLONES with isSimpleLoad, and teach X86's 
foldMemoryOperand how to "fold" them, by converting them into constant-pool
loads. When they aren't folded, they use xorps/cmpeqd, but for example when
register pressure is high, they may now be folded as memory operands, which
reduces register pressure.

Also, mark V_SET0 isAsCheapAsAMove so that two-address-elimination will
remat it instead of copying zeros around (V_SETALLONES was already marked).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60461 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 05:21:24 +00:00
Bill Wendling
b3cf03cee1 Change label to 'carry' for unsigned adds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 02:43:12 +00:00
Dan Gohman
41474baac8 Add a sanity-check to tablegen to catch the case where isSimpleLoad 
is set but mayLoad is not set. Fix all the problems this turned up.

Change code to not use isSimpleLoad instead of mayLoad unless it
really wants isSimpleLoad.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60459 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 02:30:17 +00:00
Dan Gohman
c70f329543 Fix a missing #include. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 02:10:00 +00:00
Dan Gohman
03e7d834d5 Add an explicit keyword. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60457 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 01:55:47 +00:00
Dan Gohman
92faff2e4c Replace a #include with a forward-declaration. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60456 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 01:53:18 +00:00
Dan Gohman
c5a1a220ea Fix this comment to reflect that it applies to types other 
than just i32.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60455 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-03 01:39:44 +00:00