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Author SHA1 Message Date
Jakob Stoklund Olesen
90c1d7ddfc Implement very primitive hinting support in RegAllocGreedy. 
The hint is simply tried first and then forgotten if it couldn't be allocated
immediately.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121306 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:57:16 +00:00
Jim Grosbach
b76dfe06d9 Add operand encoding for Thumb2 addw SP + imm. rdar://8745434 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121305 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:50:19 +00:00
Jim Grosbach
7c6d85a981 Parameterize opcode encoding bits for Thumb2 extended precision integer 
multiply instructions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121301 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:38:41 +00:00
Bob Wilson
7441089c9b Add operators for "_lane" variants of some saturating Neon multiply intrinsics 
so they can be implemented without separate clang builtins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121299 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:36:08 +00:00
Jim Grosbach
5208204899 Fix operand encoding for Thumb2 extended precision multiplies. rdar://8745555 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121297 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:29:28 +00:00
Jakob Stoklund Olesen
d0bec3e62c Store (priority,regnum) pairs in the priority queue instead of providing an 
abstract priority queue interface in subclasses that want to override the
priority calculations.

Subclasses must provide a getPriority() implementation instead.

This approach requires less code as long as priorities are expressable as simple
floats, and it avoids the dangers of defining potentially expensive priority
comparison functions.

It also should speed up priority_queue operations since they no longer have to
chase pointers when comparing registers. This is not measurable, though.

Preferably, we shouldn't use floats to guide code generation. The use of floats
here is derived from the use of floats for spill weights. Spill weights have a
dynamic range that doesn't lend itself easily to a fixpoint implementation.

When someone invents a stable spill weight representation, it can be reused for
allocation priorities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121294 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:22:41 +00:00
Eric Christopher
bece04845e Reword comment slightly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121293 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:21:42 +00:00
Lang Hames
35f4cf0474 Fixed some dependencies in RegAllocPBQP.h . Thanks to Borja Ferrer for pointing out this issue. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121292 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:15:32 +00:00
Jim Grosbach
8638692362 Simplify T2 operand assignment notation a bit. No need to specify a bit range 
for the source field when it's the whole thing that's being referenced.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121291 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 22:10:43 +00:00
Devang Patel
b351ebf7fc Use type's file info while describing inheritance relationship. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121289 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:46:37 +00:00
Bob Wilson
b4504308ce Add operators for vabdl and vabal so they can be implemented without builtins. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121287 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:39:04 +00:00
Bob Wilson
b1e9df3b72 Remove unused function parameter. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121286 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:39:00 +00:00
Eric Christopher
f299da8ec3 Fix comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121285 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:35:09 +00:00
Jakob Stoklund Olesen
753936602e Trim includes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121283 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 21:12:00 +00:00
Devang Patel
44498a640d Add support to create debug info for functions and methods. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121281 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:42:44 +00:00
Jim Grosbach
0c2c217244 Tweak ARM fixup value adjustments for Thumb to better handle the half-word 
ordering of thumb mode.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121280 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:32:07 +00:00
Devang Patel
0a2551de2c Add support to create class type. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121279 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:18:20 +00:00
Bob Wilson
f4f39d35cd Add an operator for vaba so it can be implemented using vabd. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121276 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:09:10 +00:00
Andrew Trick
6b1207267f Generalize PostRAHazardRecognizer so it can be used in any pass for 
both forward and backward scheduling. Rename it to
ScoreboardHazardRecognizer (Scoreboard is one word). Remove integer
division from the scoreboard's critical path.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121274 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:04:29 +00:00
Bill Wendling
cd466f582a Use this new fangled StringSwitch technology. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121273 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 20:02:49 +00:00
Owen Anderson
cc78f5c09c Improve comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121272 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 19:31:11 +00:00
Jim Grosbach
022ab3779c Add initializer. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121262 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 15:36:45 +00:00
Bill Wendling
dd2b6cbb62 Cleanup table a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121250 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 13:03:15 +00:00
Evan Cheng
275bf63115 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121238 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 06:29:02 +00:00
Jakob Stoklund Olesen
cba2e06d52 Stub out RegAllocGreedy. 
This new register allocator is initially identical to RegAllocBasic, but it will
receive all of the tricks that RegAllocBasic won't get.

RegAllocGreedy will eventually replace linear scan.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121234 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 03:26:16 +00:00
Bill Wendling
6171ab69f4 Fix newlines. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121233 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 02:46:25 +00:00
Daniel Dunbar
94038281af build: Shared libraries shouldn't used RPATH on Darwin, only main executables 
should use that.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121231 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 02:29:26 +00:00
Eric Christopher
73e36daaad Regenerate this for Daniel. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121227 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 02:02:14 +00:00
Bill Wendling
b8958b031e Add support for loading from a constant pool. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121226 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 01:57:09 +00:00
Devang Patel
43c249cf1e Add support to create vector, array, enums etc... 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121224 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 01:50:15 +00:00
Daniel Dunbar
7bc0f27329 build: Don't force -flat_namespace or '-undefined suppress' on unsuspecting users of LLVM makefiles, these options really shouldn't be used on Darwin. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121223 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 01:48:05 +00:00
Daniel Dunbar
bf48816daf autoconf: Stop lying to me. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121222 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 01:48:03 +00:00
Jim Grosbach
5be6d2af38 Let target asm backends see assembler flags as they go by. Use that to handle 
thumb vs. arm mode differences in WriteNopData().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121219 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 01:16:55 +00:00
Jakob Stoklund Olesen
1b19dc1d8b Move RABasic::addMBBLiveIns to the base class, it is generally useful. 
Minor optimization to the use of IntervalMap iterators. They are fairly
heavyweight, so prefer SI.valid() over SI != end().

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121217 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 01:06:06 +00:00
Owen Anderson
255eafbd49 Simplify the byte reordering logic slightly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121216 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 00:21:33 +00:00
Owen Anderson
d8e351b96f VLDR fixups need special handling under Thumb. While the encoding is the same, 
the order of the bytes in the data stream is flipped around.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121215 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 00:18:36 +00:00
Bob Wilson
e113ae56d9 Add operators for vadd[lw] and vsub[lw] 
so they can be implemented without clang builtins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121213 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 00:14:04 +00:00
Devang Patel
94541efd92 Global variable does not need linkage name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121212 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-08 00:06:22 +00:00
Devang Patel
48f17ba2a6 Add support to create local variable's debug info. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121211 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:58:00 +00:00
Bob Wilson
0584316dfb Add operators for vmlal{_n,_lane} and vmlsl{_n,_lane} 
so they can be implemented without clang builtins.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121209 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:53:37 +00:00
Bob Wilson
da1d3dc9a5 Emit vmovl intrinsics first in the arm_neon.h header 
so they can be used in the implementations of other intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121208 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:53:32 +00:00
Rafael Espindola
4f4363a490 Layout each section independently. With the testcase in PR8711: 
before:
        4 assembler - Number of assembler layout and relaxation steps
    78563 assembler - Number of emitted assembler fragments
  8693904 assembler - Number of emitted object file bytes
   271223 assembler - Number of evaluated fixups
330771677 assembler - Number of fragment layouts
     5958 assembler - Number of relaxed instructions
  2508361 mcexpr    - Number of MCExpr evaluations

real	0m26.123s
user	0m25.694s
sys	0m0.388s

after:

      4 assembler - Number of assembler layout and relaxation steps
  78563 assembler - Number of emitted assembler fragments
8693904 assembler - Number of emitted object file bytes
 271223 assembler - Number of evaluated fixups
 231507 assembler - Number of fragment layouts
   5958 assembler - Number of relaxed instructions
2508361 mcexpr    - Number of MCExpr evaluations

real	0m2.500s
user	0m2.113s
sys	0m0.273s

And yes, the outputs are identical :-)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121207 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:32:26 +00:00
Matt Beaumont-Gay
2bf315f087 Fix a warning about a variable which is only used in an assertion. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121206 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:26:21 +00:00
Devang Patel
fe58f95f36 Add support to create variables, structs etc.. using DIBuilder. 
This is still work in progress.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121205 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:25:47 +00:00
Jakob Stoklund Olesen
953af2c3c5 Switch LiveIntervalUnion from std::set to IntervalMap. 
This speeds up RegAllocBasic by 20%, not counting releaseMemory which becomes
way faster.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121201 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:18:47 +00:00
Jakob Stoklund Olesen
da2fdcbb63 Fix begin() and end() on const IntervalMap. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121200 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:18:43 +00:00
Bill Wendling
d832fa053b Cleanup in the Darwin end. No functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121198 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:11:00 +00:00
Evan Cheng
06d65f5156 Fix a bad prologue / epilogue codegen bug where the compiler would emit illegal 
vpush instructions to save / restore VFP / NEON registers like this:
vpush {d8,d10,d11}
vpop {d8,d10,d11}

vpush and vpop do not allow gaps in the register list.
rdar://8728956


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121197 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:08:38 +00:00
Jim Grosbach
997759ac22 Add source Record* reference to PatternToMatch. Allows better diagnostics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121196 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:05:49 +00:00
Bill Wendling
52e635ea35 A bit of cleanup: early exit ApplyFixup and cache the Fixup offset. No 
functionality change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@121195 91177308-0d34-0410-b5e6-96231b3b80d8
 2010-12-07 23:05:20 +00:00