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Author SHA1 Message Date
Duncan Sands
5f28475b30 Fix PR8445: a block with no predecessors may be the entry block, in which case 
it isn't unreachable and should not be zapped.  The check for the entry block
was missing in one case: a block containing a unwind instruction.  While there,
do some small cleanups: "M" is not a great name for a Function* (it would be
more appropriate for a Module*), change it to "Fn"; use Fn in more places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117224 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-24 12:23:30 +00:00
Owen Anderson
c052a8c772 Add tests for NEON encoding of vqsub. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117214 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 18:02:16 +00:00
Benjamin Kramer
a53fe6070c SmallVectorize. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 17:10:24 +00:00
Eric Christopher
a4633f5d74 Move rejection of NEON parameters earlier in fast isel call processing, 
note that we can actually handle some f64 arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 09:37:17 +00:00
Benjamin Kramer
86c69c570c Constify another 2 disassembler tables. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 09:28:42 +00:00
Benjamin Kramer
4d1dca92bd Make the disassembler tables const so they end up in read-only memory. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 09:10:44 +00:00
Michael J. Spencer
c527407010 X86: Emit _fltused instead of __fltused on Windows x64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 09:06:59 +00:00
Chandler Carruth
19e57025d4 Move the remaining attribute macros to systematic names based on the attribute 
name and prefixed with 'LLVM_'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117203 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 08:40:19 +00:00
Chandler Carruth
5117709a1d Remove a define which is never referenced. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117202 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 08:25:16 +00:00
Chandler Carruth
100c267249 Switch attribute macros to use 'LLVM_' as a prefix. We retain the old names 
until other LLVM projects using these are cleaned up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 08:10:43 +00:00
Chandler Carruth
2b3ef8b065 Fix a likely bug in an assertion by adding parentheses around '||'. This bug 
was found by a GCC warning. ;]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117199 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 07:46:14 +00:00
Mikhail Glushenkov
086976d76c Resurrect mcc16, it is useful as an example. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 07:33:02 +00:00
Mikhail Glushenkov
a73e586495 Remove -llvmc-temp-hack from tblgen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 07:32:53 +00:00
Mikhail Glushenkov
17ef94fe1b Syntax tweak in llvmc: (something [a,b,c]) -> (something a, b, c). 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 07:32:46 +00:00
Mikhail Glushenkov
c761f7dca2 Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 07:32:37 +00:00
Evan Cheng
5c2d428f43 Enable ARM fastcc. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117194 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 02:19:37 +00:00
Evan Cheng
ec6906ba47 Properly model the latency of register defs which are 1) function returns or 
2) live-outs.

Previously the post-RA schedulers completely ignore these dependencies since
returns, branches, etc. are all scheduling barriers. This patch model the
latencies between instructions being scheduled and the barriers. It also
handle calls by marking their register uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117193 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 02:10:46 +00:00
Evan Cheng
dd9dd6f857 Latency between CPSR def and branch is zero. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117192 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 02:04:38 +00:00
Jakob Stoklund Olesen
7871687604 Verify LiveIntervals against the CFG, ensuring that live-in values are live-out 
of all predecessors.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117191 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-23 00:49:09 +00:00
Owen Anderson
61f34bc4bc Add tests for NEON encoding of vhsub. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117189 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:58:22 +00:00
Jim Grosbach
a9a968d1ef Trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117188 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:48:29 +00:00
Jim Grosbach
48c9f2081d Add a CMP test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117187 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:48:01 +00:00
Owen Anderson
884f228692 Add tests for NEON encoding of vsubw. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117186 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:46:07 +00:00
Jim Grosbach
b2331553f8 tidy up 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117185 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:46:04 +00:00
Owen Anderson
2b6b97c815 Add tests for NEON encoding of vsubl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117183 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:36:36 +00:00
Andrew Trick
f433106054 Nonvirtual dtor that was accessible enough to be bad. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117180 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:33:19 +00:00
Owen Anderson
313252022d Add tests for NEON encoding of vsub. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117177 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:21:04 +00:00
Gabor Greif
41f31ef28e fix memory-layout assumption which only holds on little-endian systems 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117176 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:16:11 +00:00
Andrew Trick
14e8d71cc9 This is a prototype of an experimental register allocation 
framework. It's purpose is not to improve register allocation per se,
but to make it easier to develop powerful live range splitting. I call
it the basic allocator because it is as simple as a global allocator
can be but provides the building blocks for sophisticated register
allocation with live range splitting. 

A minimal implementation is provided that trivially spills whenever it
runs out of registers. I'm checking in now to get high-level design
and style feedback. I've only done minimal testing. The next step is
implementing a "greedy" allocation algorithm that does some register
reassignment and makes better splitting decisions.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117174 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:09:15 +00:00
Owen Anderson
c9db331433 Add tests for NEON encoding of vqdmlsl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117173 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:08:47 +00:00
Bob Wilson
04b2bb30f6 Do not install libBugpointPasses.dylib for Apple builds. Radar 8585383. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117172 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:04:17 +00:00
Owen Anderson
353f8668b8 Add tests for NEON encoding of vmlsl. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117171 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 23:02:27 +00:00
Jakob Stoklund Olesen
3bf7cf9f0e Add more verification of LiveIntervals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117170 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 22:48:58 +00:00
Jakob Stoklund Olesen
2bfb324684 Be more strict about detecting multi-use blocks for isolation. 
When a block has exactly two uses and the register is both live-in and live-out,
don't isolate the block. We would be inserting two copies, so we haven't really
made any progress.

If the live-in and live-out values separate into disconnected components after
splitting, we would be making progress. We can't detect that for now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117169 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 22:48:56 +00:00
Jim Grosbach
432a8142ef tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117166 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 22:15:48 +00:00
Jim Grosbach
f8da5f5dfa ARM mode encoding information for CLZ, RBIT, REV*, and PKH*. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117165 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 22:12:16 +00:00
Bob Wilson
abf4b382a6 Fix the name of libLLVMHello.dylib so that it does not get installed for 
Apple builds.  Radar 8585383.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117164 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 22:10:57 +00:00
Jim Grosbach
871bf8752f Remove duplicate test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117158 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 22:04:28 +00:00
Jim Grosbach
d0ad5d52b8 tidy up. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117157 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 22:01:56 +00:00
Jim Grosbach
487119a08c FileCheck-ize a few tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117156 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 21:55:03 +00:00
Evan Cheng
c8f46c45a0 Unbreak build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117155 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 21:49:09 +00:00
Bob Wilson
364f17c471 Teach instcombine to set the alignment arguments for NEON load/store intrinsics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117154 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 21:41:48 +00:00
Evan Cheng
b179b46cc5 Transfer implicit ops when forming load multiple and return instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117151 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 21:29:58 +00:00
Owen Anderson
458509476b Add tests for the correct encoding of NEON vmls. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117145 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 20:31:24 +00:00
Jakob Stoklund Olesen
2c1442e1b2 Be more strict when detecting critical edges before loop splitting. 
An exit block with a critical edge must only have predecessors in the loop, or
just before the loop. This guarantees that the inserted copies in the loop
predecessors dominate the exit block.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117144 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 20:28:23 +00:00
Jakob Stoklund Olesen
532de3dc6e Add print methods 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117143 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 20:28:21 +00:00
Owen Anderson
9b26497273 Add correct NEON encodings for vqdmlal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117134 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 19:35:48 +00:00
Jim Grosbach
385e136dce Add the encoding information for the rest of the ARM mode multiply instructions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117133 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 19:15:30 +00:00
Michael J. Spencer
2e6048f869 I hate line endings. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117132 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 19:14:39 +00:00
Owen Anderson
92205842ca Provide correct encodings for NEON vmlal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117131 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-10-22 19:05:25 +00:00