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295 Commits

Author SHA1 Message Date
Bob Wilson
7eb793dd09 Rename file to have the correct suffix. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69380 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 20:40:20 +00:00
Bob Wilson
1f595bb429 Use CallConvLower.h and TableGen descriptions of the calling conventions 
for ARM.  Patch by Sandeep Patel.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69371 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-17 19:07:39 +00:00
Dan Gohman
2d1be87ee4 Expand GEPs in ScalarEvolution expressions. SCEV expressions can now 
have pointer types, though in contrast to C pointer types, SCEV
addition is never implicitly scaled. This not only eliminates the
need for special code like IndVars' EliminatePointerRecurrence
and LSR's own GEP expansion code, it also does a better job because
it lets the normal optimizations handle pointer expressions just
like integer expressions.

Also, since LLVM IR GEPs can't directly index into multi-dimensional
VLAs, moving the GEP analysis out of client code and into the SCEV
framework makes it easier for clients to handle multi-dimensional
VLAs the same way as other arrays.

Some existing regression tests show improved optimization.
test/CodeGen/ARM/2007-03-13-InstrSched.ll in particular improved to
the point where if-conversion started kicking in; I turned it off
for this test to preserve the intent of the test.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69258 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-16 03:18:22 +00:00
Dale Johannesen
442b7bfc80 Use the output of the asm so the optimizer won't 
delete it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69018 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-14 01:51:40 +00:00
Chris Lattner
dbf1e2b08b move a target-specific test into its directory so it isn't run if you 
don't configure the ARM target in.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68843 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-10 23:58:38 +00:00
Bob Wilson
d9df501704 Fix pr3954. The register scavenger asserts for inline assembly with 
register destinations that are tied to source operands.  The
TargetInstrDescr::findTiedToSrcOperand method silently fails for inline
assembly.  The existing MachineInstr::isRegReDefinedByTwoAddr was very
close to doing what is needed, so this revision makes a few changes to
that method and also renames it to isRegTiedToUseOperand (for consistency
with the very similar isRegTiedToDefOperand and because it handles both
two-address instructions and inline assembly with tied registers).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68714 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-09 17:16:43 +00:00
Bob Wilson
83593a369b Add testcase for PR3795. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68620 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-08 18:00:55 +00:00
Duncan Sands
3d0355b825 Soft float support for FREM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68614 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-08 16:20:57 +00:00
Duncan Sands
7beb1ec298 Soft float support for undef. Reported by Xerxes Rånby. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68607 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-08 13:33:37 +00:00
Bob Wilson
8f3434647d Handle 'a' modifier in ARM inline assembly. 
Patch by Richard Pennington.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68464 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-06 21:46:51 +00:00
Bob Wilson
bf6396bed0 Fix PR3862: Recognize some ARM-specific constraints for immediates in inline 
assembly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68218 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-04-01 17:58:54 +00:00
Evan Cheng
f1c0ae9de5 Do not emit comments unless -asm-verbose. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67580 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-24 00:17:40 +00:00
Chris Lattner
1285295e61 add no-unwind, remove duplicate run line. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66775 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-12 05:56:37 +00:00
Evan Cheng
6501153fc0 ARM isLegalAddressImmediate should check if type is a simple type now that optimizer can create values of funky scalar types. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66429 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-09 19:15:00 +00:00
Evan Cheng
4b1747430a Recognize triplets starting with armv5-, armv6- etc. And set the ARM arch version accordingly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66365 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-08 04:02:49 +00:00
Evan Cheng
821b8560e7 If a MI uses the same register more than once, only mark one of them as 'kill'. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66363 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-03-08 03:58:35 +00:00
Evan Cheng
c8bb37a50a Last commit accidentially deleted this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65679 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-28 06:02:14 +00:00
Evan Cheng
04cf3e39f3 The last commit was overly conservative. It's ok to reuse value that's already marked livein. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65498 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-26 03:02:21 +00:00
Evan Cheng
58207f12ee If a use operand is marked isKill, don't forget to add kill to its live interval as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-22 08:35:56 +00:00
Evan Cheng
bf18939180 A couple of places where reused use operands should be marked kill. This is exposed by recent availability fallthrough changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64745 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-17 06:41:03 +00:00
Evan Cheng
8182347d70 Replace one of burr scheduling heuristic with something more sensible. Now calcMaxScratches simply compute the number of true data dependencies. This actually improve a couple of tests in dejagnu suite as many tests in llvm nightly test suite. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64369 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-12 08:59:45 +00:00
Evan Cheng
f0e366a929 Fix PR3457: Ignore control successors when looking for closest scheduled successor. A control successor doesn't read result(s) produced by the scheduling unit being evaluated. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64210 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-10 08:30:11 +00:00
Evan Cheng
8f0d99e463 Re-enable machine sinking pass now that the coalescer bugs and the AnalyzeBrnach bug are fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64126 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-09 08:45:39 +00:00
Bill Wendling
7f51fd3ea9 Revert r63999. It was breaking self-hosting builds. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@64062 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-08 00:58:05 +00:00
Evan Cheng
c963b638c7 Enable machine sinking pass in non-fast mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63999 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-07 01:57:46 +00:00
Evan Cheng
c5d1a4ffd9 Turn on machine LICM in non-fast mode. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63855 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-02-05 08:46:33 +00:00
Rafael Espindola
bb46f52027 Add the private linkage. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62279 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-01-15 20:18:42 +00:00
Evan Cheng
c3ccc1aaaf Clean up some ARM GV asm printing out; minor fixes to match what gcc does. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@60621 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-12-06 02:00:55 +00:00
Evan Cheng
d37c13cfd1 - Register scavenger should use MachineRegisterInfo and internal map to find the first use of a register after a given machine instruction. 
- When scavenging a register, in addition to the spill, insert a restore before the first use.
- Abort if client is looking to scavenge a register even when a previously scavenged register is still live.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59697 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-20 02:32:35 +00:00
Evan Cheng
9c64bf3905 Register scavenger should process early clobber defs first. A dead early clobber def should not interfere with a normal def which happens one slot later. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59559 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-18 22:28:38 +00:00
Evan Cheng
3eb22e835f Actually ARM / Mac OS X does have UINTTOFP_I64_F{64|32} libcalls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58725 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 22:19:55 +00:00
Evan Cheng
c7c77297e2 Custom lower bit_convert i64 -> f64 into FMDRR. This is now happening with legalizetypes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58714 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-11-04 19:57:48 +00:00
Devang Patel
2c9c3e7368 Implement function notes as function attributes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56716 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-26 23:51:19 +00:00
Evan Cheng
870e4bef41 Unallocatable registers do not have live intervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56287 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-17 18:36:25 +00:00
Dan Gohman
5eb0cecbc5 Re-enable SelectionDAG CSE for calls. It matters in the case of 
libcalls, as in this testcase on ARM.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56226 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-15 19:46:03 +00:00
Evan Cheng
25f34a30d6 Correctly update kill infos after extending a live range and merge 2 val#'s; fix 56165 - do not mark val# copy field if the copy does not define the val#. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56199 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-15 06:28:41 +00:00
Evan Cheng
4b88702ac3 Legalizer was missing code that expand fpow to a libcall. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56028 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-09-09 23:02:14 +00:00
Evan Cheng
711b6dce24 It's not legal to output a GV in a coalesced section if it's used in an ARM PIC relative constantpool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54519 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-08 06:56:16 +00:00
Anton Korobeynikov
feac94b18d Print section flags ok on platforms, which use '@' as comment string. Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54460 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-07 09:55:06 +00:00
Owen Anderson
287b7b7ed7 This check is unnecessary, and getting rid of it removes a use of -disable-correct-folding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54355 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 17:52:54 +00:00
Owen Anderson
3888aa0b7d Remove the need for -disable-correct-folding from this test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54354 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-05 17:49:52 +00:00
Owen Anderson
2b85dc3544 Update these tests to work by disabling the new correct CFG generation. This flag should ONLY be used to for tests like these. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54334 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-08-04 23:55:29 +00:00
Evan Cheng
d1b3da621b Teach ARM isLegalAddressingMode to handle unknown type without crashing. This fixes pr2589. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@54004 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-25 00:55:17 +00:00
Duncan Sands
c3e26727c1 Softfloat support for FDIV. Patch by 
Richard Pennington.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@53773 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-07-18 21:18:48 +00:00
Gabor Greif
f6cadc440c sabre brings to my attention that the 'tr' suffix is also obsolete 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51349 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 21:00:03 +00:00
Gabor Greif
722243bd40 Rename the last test with .llx extension to .ll, resolve duplicate test by renaming to isnan2. Now that no test has llx ending there is no need to search for them from dg.exp too. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51328 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 19:52:04 +00:00
Evan Cheng
7a0f1851ec More local spiller complexity! 
If local spiller optimization turns some instruction into an identity copy, it will be removed. If the output register happens to be dead (and source is obviously killed), transfer the kill / dead information to last use / def in the same MBB.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51306 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 08:13:21 +00:00
Evan Cheng
b0a6f62c9b Don't spill dead def. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51305 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-05-20 08:10:37 +00:00
Evan Cheng
f870fbc554 If a PHI node has a single implicit_def source, replace it with an implicit_def instead of a copy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49543 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-11 17:54:45 +00:00
Evan Cheng
b94d966716 New test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49514 91177308-0d34-0410-b5e6-96231b3b80d8
 2008-04-10 23:49:09 +00:00