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1256f5fe76
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25820 Commits

Author SHA1 Message Date
Dan Gohman
1256f5fe76 Tidy up ScheduleNodeBottomUp methods, and make them more 
consistent with ScheduleNodeTopDown methods.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59550 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:22:20 +00:00
Dan Gohman
0454e8685f Update a comment to reflect the current code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59549 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:14:44 +00:00
Duncan Sands
9a6b92de4c Remove integer promotion support for FP_EXTEND 
and FP_ROUND.  Not sure what these were doing
here - probably they were sometimes (wrongly)
created with integer operands somewhere that
has since been fixed.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59548 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:13:59 +00:00
Devang Patel
4460a7e90c Remove even more llvm.dbg variables. 
Remove all dead globals from llvm.metadata.
Ignore linkonce linkage for selected llvm.dbg values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59547 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 21:13:41 +00:00
Duncan Sands
c08468774b Simplify code using helper routines. There is not 
supposed to be any functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59545 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 20:56:22 +00:00
Owen Anderson
5a92d4e657 Fix a bug introduced by my previous patch. With this change, SPEC is now clean with prealloc splitting enabled. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59544 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 20:53:59 +00:00
Dan Gohman
cbad42cfd1 Add more const qualifiers. This fixes build breakage from r59540. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59542 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 19:49:32 +00:00
Dan Gohman
b3b930a011 Make some methods const. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59540 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 19:04:29 +00:00
Devang Patel
4f3096b6af Initialize MallocFunc and FreeFunc properly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59538 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 18:43:07 +00:00
Dan Gohman
3dbc4e3502 Whitespace cleanups. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59532 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 17:05:42 +00:00
Duncan Sands
331a746101 LegalizeTypes support for splitting and scalarizing 
SCALAR_TO_VECTOR.  I didn't add the testcase, because
once llc gets past scalar-to-vector it hits a SPU target
lowering bug and explodes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59530 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 16:40:48 +00:00
Nick Lewycky
dd643f26c4 Add a utility function that detects whether a loop is guaranteed to be finite. 
Use it to safely handle less-than-or-equals-to exit conditions in loops. These
also occur when the loop exit branch is exit on true because SCEV inverses the
icmp predicate.

Use it again to handle non-zero strides, but only with an unsigned comparison
in the exit condition.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59528 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 15:10:54 +00:00
Bill Wendling
5734450d40 Rename stackprotector_create intrinsic to stackprotector. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 11:01:33 +00:00
Bill Wendling
9bef70609c Cast to remove warning about comparing signed and unsigned. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59518 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:57:27 +00:00
Nicolas Geoffray
67c8c4caba Implement support for JIT exceptions on X86_64. Relative offsets are 
encoded on 32 bytes, and the personality function is not encoded as
relative.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59516 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:44:46 +00:00
Duncan Sands
130fea2ca0 Remove unused variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59515 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 10:39:04 +00:00
Duncan Sands
51d83fdd89 Reapply r59464, this time using the correct type 
when softening FNEG.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59513 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 09:15:03 +00:00
Bill Wendling
733bbc5320 Remove the stackprotector_check intrinsic. Use a volatile load instead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59504 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 07:30:57 +00:00
Bill Wendling
c3348a77f7 - Use "moveAfter" instead of "remove/insert" of a basic block. 
- Use less indentation in coding.
- Shorten description.
- Update comments.
- Move code around


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59496 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 05:32:11 +00:00
Dan Gohman
6c2fe2237b Fix a typo in a comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59489 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 02:50:01 +00:00
Dan Gohman
3cc6243ddf Change SUnit's dump method to take a ScheduleDAG* instead of 
a SelectionDAG*.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59488 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 02:06:40 +00:00
Bill Wendling
8f55b3d67d Revert r59464. It was causing this failure: 
Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll
Failed with signal(SIGABRT) at line 1
while running:  llvm-as < /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/test/CodeGen/XCore/fneg.ll |  llc -march=xcore > fneg.ll.tmp1.s
Assertion failed: (VT.isFloatingPoint() && "Cannot create integer FP constant!"), function getConstantFP, file /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvm.src/lib/CodeGen/SelectionDAG/SelectionDAG.cpp, line 913.
0   llc                                 0x0092115c _ZN4llvm3sys18RemoveFileOnSignalERKNS0_4PathEPSs + 844
1   libSystem.B.dylib                   0x9217809b _sigtramp + 43
2   ???                                 0xffffffff 0x0 + 4294967295
3   libSystem.B.dylib                   0x921f0ec2 raise + 26
4   libSystem.B.dylib                   0x9220047f abort + 73
5   libSystem.B.dylib                   0x921f2063 __assert_rtn + 101
6   llc                                 0x005a5b0a _ZN4llvm12SelectionDAG13getConmake[1]: *** [check-local] Error 1
make: *** [check] Error 2



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59487 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 01:49:24 +00:00
Devang Patel
13877bf6c2 Give SIToFPInst preference over UIToFPInst because it is faster on platforms that are widely used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59476 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 00:40:02 +00:00
Dan Gohman
2d093f3560 Avoid using a loop in ReleasePred and ReleaseSucc methods to compute the 
new CycleBound value. Instead, just update CycleBound on each call.
Also, make ReleasePred and ReleaseSucc methods more consistent accross
the various schedulers.

This also happens to make ScheduleDAGRRList's CycleBound computation
somewhat more interesting, though it still doesn't have any noticeable
effect, because no current targets that use the register-pressure
reduction scheduler provide pipeline models.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59475 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 00:38:59 +00:00
Devang Patel
cd40233429 While handling floating point IVs lift restrictions on initial value and increment value. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59471 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 23:27:13 +00:00
Devang Patel
84e3515974 Handle floating point ivs during doInitialization(). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59466 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 21:32:02 +00:00
Dan Gohman
8123419f2b Eliminate some trivial differences between the ScheduleNodeTopDown 
functions in these two schedulers.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59465 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 21:31:02 +00:00
Duncan Sands
7fed65a68d Add soft float support for a bunch more operations. Original 
patch by Richard Osborne, tweaked and extended by your humble
servant.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59464 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 20:52:38 +00:00
Dan Gohman
e93483d855 Don't bother doing latency calculations in the "fast" scheduler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59461 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 19:52:36 +00:00
Dan Gohman
2dcca9d53e Use SUnit's CycleBound field instead of duplicating it in 
a side-car datastructure


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59458 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 19:45:19 +00:00
Dale Johannesen
a7647e68a4 Move some former testcases (low-probability codegen 
optimizations) into this wishlist.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59455 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 18:56:34 +00:00
Devang Patel
b8c564f72e Let AnalyzeAlloca() remove debug intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59454 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 18:37:53 +00:00
Richard Osborne
104de6cf7b Don't produce ADDC/ADDE when expanding SHL unless they are legal 
for the target. This fixes PR3080.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59450 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 17:34:31 +00:00
Dan Gohman
6560c000a1 Don't use the isPending flag to mean what the isAvailable flag means. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59445 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 16:37:30 +00:00
Mon P Wang
28088d3c04 Fixed legalization of CONVERT_RNDSAT for integers. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59432 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-17 00:41:12 +00:00
Torok Edwin
b079a391c8 If SI->size() is 0, we are not allowed to dereference ->begin(). 
This fixed PR3078.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59416 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 17:21:25 +00:00
Lang Hames
27601ef832 Big PBQP allocator update. Adds coalescing support, stack slot coloring, several bug-fixes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59414 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 12:12:54 +00:00
Chris Lattner
1a6111f32d eliminate some std::set's. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59409 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 07:17:51 +00:00
Chris Lattner
3f914f0138 simplify loop 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59406 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 06:35:18 +00:00
Chris Lattner
cb504b95c5 simplify a bunch more instcombines to use m_Specific etc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59403 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:38:51 +00:00
Chris Lattner
69d4ced68d factor the code for simplifying (icmp)|(icmp) into its own function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59402 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:20:07 +00:00
Chris Lattner
aa3e157845 do some computation with apints instead of ConstantInts. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59401 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:14:43 +00:00
Chris Lattner
ea065fbdd8 merge a check into a place where it is simpler. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59400 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:10:52 +00:00
Mon P Wang
c7849c22f4 Improved shuffle normalization to avoid using extract/build when we 
can extract using different indexes for two vectors. Added a few tests
for vector shuffles.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59399 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:06:27 +00:00
Chris Lattner
29cd5ba621 factor a whole bunch of code out into a helper function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59398 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 05:06:21 +00:00
Chris Lattner
b9553d693b simplify the conditions on two gigantic if's, decreasing indentation 
a bit.  Next step is to factor out into their own helper functions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59397 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:55:20 +00:00
Chris Lattner
6046fb7bef simplify some instcombine matches by using m_Specific 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59395 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:46:19 +00:00
Chris Lattner
321e6a6e82 Use new m_SelectCst template to eliminate macros. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59392 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:33:38 +00:00
Chris Lattner
a6a474dca9 simplify code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59390 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:26:55 +00:00
Chris Lattner
a74cefa6d3 Handle the case where there is no "not". It is possible it got 
folded into the select.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59389 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-16 04:25:26 +00:00