Dan Gohman
2a0216ff1c
Mention if a block has its address taken in debug output.
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llvm-svn: 85571
2009-10-30 02:08:26 +00:00
Dan Gohman
42e985b07a
Simplify this code and avoid an extra space character in the output.
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llvm-svn: 85568
2009-10-30 02:01:10 +00:00
Dan Gohman
468aef9289
Add support for BlockAddress static initializers.
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llvm-svn: 85562
2009-10-30 01:45:18 +00:00
Dan Gohman
aa62f675db
Add a FIXME comment.
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llvm-svn: 85559
2009-10-30 01:38:20 +00:00
Dan Gohman
a0fc491716
Add some comments.
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llvm-svn: 85558
2009-10-30 01:34:35 +00:00
Dan Gohman
2767aa065e
Initial x86 support for BlockAddresses.
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llvm-svn: 85557
2009-10-30 01:28:02 +00:00
Dan Gohman
6b7d1390d7
Initial target-independent CodeGen support for BlockAddresses.
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llvm-svn: 85556
2009-10-30 01:27:03 +00:00
Jim Grosbach
95e1ff2dba
Dial back the realignment a bit.
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llvm-svn: 85546
2009-10-30 00:08:40 +00:00
David Goodwin
9a91b1fe3d
Between scheduling regions, correctly maintain anti-dep breaking state so that we don't incorrectly rename registers that span these regions.
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llvm-svn: 85537
2009-10-29 23:30:59 +00:00
Dan Gohman
ed15829b83
Remove some unnecessary spaces in debug output.
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llvm-svn: 85536
2009-10-29 23:30:06 +00:00
Dan Gohman
7f5acc4b57
Move some code from being emitted as boilerplate duplicated in every
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*ISelDAGToDAG.cpp to being regular code in SelectionDAGISel.cpp.
llvm-svn: 85530
2009-10-29 22:30:23 +00:00
David Goodwin
ad8a169be4
Fix a couple of bugs in aggressive anti-dep breaking.
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llvm-svn: 85522
2009-10-29 19:17:04 +00:00
Bob Wilson
e99d5530a3
Refactor complicated predicate into a separate function.
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llvm-svn: 85519
2009-10-29 18:40:06 +00:00
Devang Patel
093d35bd8a
First bitcase use may not lead to a dbg.declare intrinsic. Iterate uses until one find's dbg.declare intrinsic.
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Patch by Sunae Seo.
llvm-svn: 85518
2009-10-29 18:20:34 +00:00
Dan Gohman
3393a4c997
Rename usesCustomDAGSchedInserter to usesCustomInserter, and update a
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bunch of associated comments, because it doesn't have anything to do
with DAGs or scheduling. This is another step in decoupling MachineInstr
emitting from scheduling.
llvm-svn: 85517
2009-10-29 18:10:34 +00:00
Dan Gohman
4620ed7bb7
Refactor the code for unfolding a load into a separate function.
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llvm-svn: 85515
2009-10-29 17:47:20 +00:00
Bill Wendling
c0aefdd3db
Reapply r85338.
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llvm-svn: 85514
2009-10-29 17:39:46 +00:00
Benjamin Kramer
c2ed14cdb8
Fix MSVC build.
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llvm-svn: 85505
2009-10-29 12:55:32 +00:00
Nick Lewycky
5207d16c05
Apply some cleanups. No functionality changes.
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llvm-svn: 85498
2009-10-29 07:35:15 +00:00
Chris Lattner
57a8d8d4e0
add sanity check for indbr.
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llvm-svn: 85496
2009-10-29 05:53:32 +00:00
Chris Lattner
e83554145a
just for the hell of it, allow globalopt to statically evaluate
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static constructors with indirect gotos :)
llvm-svn: 85495
2009-10-29 05:51:50 +00:00
Chris Lattner
9bc4a421e2
add interpreter support for indirect goto / blockaddress. The interpreter
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now correctly runs clang's test/CodeGen/indirect-goto.c. The JIT will abort
on it until someone feels compelled to implement this.
llvm-svn: 85488
2009-10-29 05:26:09 +00:00
Zhongxing Xu
93af2d027f
fix 80-col.
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llvm-svn: 85480
2009-10-29 04:41:24 +00:00
Zhongxing Xu
45d8013f73
Explicitly convert to double to suppress Visual C++ 2008 build error C2668 pow is ambiguous call to overloaded function
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llvm-svn: 85478
2009-10-29 03:43:06 +00:00
Jim Grosbach
071b4ec891
To get more thorough testing from llc-beta nightly runs, do dynamic stack
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realignment regardless of whether it's strictly necessary.
llvm-svn: 85476
2009-10-29 02:41:21 +00:00
Jim Grosbach
220e39263c
When the function is doing dynamic stack realignment, the spill slot will be
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indexed via the stack pointer, even if a frame pointer is present. Update the
heuristic to place it nearest the stack pointer in that case, rather than
nearest the frame pointer.
llvm-svn: 85474
2009-10-29 02:33:47 +00:00
Chris Lattner
a0e35cae82
teach various passes about blockaddress. We no longer
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crash on any clang tests.
llvm-svn: 85465
2009-10-29 01:21:20 +00:00
Dale Johannesen
2dcd23d6f7
When there is a 2-instruction spill sequence, record
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the second (store) instruction in SpillSlotToUsesMap
consistently. I don't think this matters functionally,
but it's cleaner and Evan wants it this way.
llvm-svn: 85463
2009-10-29 01:15:40 +00:00
Bill Wendling
58923e365d
Don't put in these EH changes.
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llvm-svn: 85460
2009-10-29 00:37:35 +00:00
Chris Lattner
0a782eec94
teach ValueMapper about BlockAddress', making bugpoint a lot more useful.
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llvm-svn: 85458
2009-10-29 00:31:02 +00:00
Chris Lattner
8f70e602d3
unindent massive blocks, no functionality change.
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llvm-svn: 85457
2009-10-29 00:28:30 +00:00
Bill Wendling
784d38511f
Reverting r85338 for now. It's causing a bootstrap failure on PPC darwin9.
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--- Reverse-merging r85338 into '.':
U lib/CodeGen/SimpleRegisterCoalescing.cpp
U lib/CodeGen/SimpleRegisterCoalescing.h
llvm-svn: 85454
2009-10-29 00:22:16 +00:00
Dan Gohman
c80f1a4033
Add a hasAddressTaken for BasicBlock.
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llvm-svn: 85449
2009-10-29 00:09:08 +00:00
Bob Wilson
f13be9d41e
Reimplement BranchFolding change to avoid tail merging for a 1 instruction
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common tail, except when the OptimizeForSize function attribute is present.
Radar 7338114.
llvm-svn: 85441
2009-10-28 22:10:20 +00:00
Dale Johannesen
e6fe8733fd
When we generate spill code, then decide we don't need
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to spill after all, we weren't handling 2-instruction
spill sequences correctly (PPC Altivec). We need to
remove the store in this case. Removing the other
instruction(s) would be goodness but is not needed for
correctness, and isn't done here. 7331562.
llvm-svn: 85437
2009-10-28 21:56:18 +00:00
Eric Christopher
d34a37560a
Make sure we return the right sized type here.
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llvm-svn: 85436
2009-10-28 21:32:16 +00:00
Bob Wilson
fc1194919b
Revert r85346 change to control tail merging by CodeGenOpt::Level.
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I'm going to redo this using the OptimizeForSize function attribute.
llvm-svn: 85426
2009-10-28 20:46:46 +00:00
Victor Hernandez
917cf94b22
Extend getMallocArraySize() to determine the array size if the malloc argument is:
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ArraySize * ElementSize
ElementSize * ArraySize
ArraySize << log2(ElementSize)
ElementSize << log2(ArraySize)
Refactor isArrayMallocHelper and delete isSafeToGetMallocArraySize, so that there is only 1 copy of the malloc array determining logic.
Update users of getMallocArraySize() to not bother calling isArrayMalloc() as well.
llvm-svn: 85421
2009-10-28 20:18:55 +00:00
David Goodwin
ae4f8e01b0
Make AntiDepReg.h internal.
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llvm-svn: 85412
2009-10-28 18:29:54 +00:00
Bob Wilson
af37728221
Add a Thumb BRIND pattern. Change the ARM BRIND assembly to separate the
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opcode and operand with a tab. Check for these instructions in the usual
places.
llvm-svn: 85411
2009-10-28 18:26:41 +00:00
Evan Cheng
519b231883
fconsts and fconstd are obviously re-materializable.
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llvm-svn: 85410
2009-10-28 18:19:56 +00:00
Jim Grosbach
e42dc83a9f
Cleanup now that frame index scavenging via post-pass is working for ARM and Thumb2.
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llvm-svn: 85406
2009-10-28 17:33:28 +00:00
Devang Patel
de81397884
llvm.dbg.global_variables do not exist anymore.
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llvm-svn: 85402
2009-10-28 16:51:52 +00:00
Chris Lattner
a77d439989
add a new 'SetCurrentDebugType' API (requested by Andrew Haley for JIT
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stuff) to programmatically control the current debug flavor. While
I'm at it, doxygenate Debug.h and clean it up.
llvm-svn: 85395
2009-10-28 15:32:19 +00:00
Dan Gohman
7948563977
Don't call SDNode::isPredecessorOf when it isn't necessary. If the load's
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chains have no users, they can't be predecessors of the condition.
llvm-svn: 85394
2009-10-28 15:28:02 +00:00
Dan Gohman
a43a2a10a1
Simplify this code: if the unfolded load can't be hoisted, just delete
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the new instructions and leave the old one in place.
llvm-svn: 85393
2009-10-28 15:23:36 +00:00
Edward O'Callaghan
fbe911a40e
No newline at end of file.
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llvm-svn: 85390
2009-10-28 15:04:53 +00:00
Benjamin Kramer
51f925548b
Update CMake file.
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llvm-svn: 85389
2009-10-28 13:29:18 +00:00
Owen Anderson
cfb2c9edeb
Treat lifetime begin/end markers as allocations/frees respectively for the
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purposes for GVN/DSE.
llvm-svn: 85383
2009-10-28 07:05:35 +00:00
Nick Lewycky
0376e34268
Add ABCD, a generalized implementation of the Elimination of Array Bounds
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Checks on Demand algorithm which looks at arbitrary branches instead of loop
iterations. This is GSoC work by Andre Tavares with only editorial changes
applied!
llvm-svn: 85382
2009-10-28 07:03:15 +00:00