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6ae5b32e48
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33325 Commits

Author SHA1 Message Date
Dan Gohman
6ae5b32e48 Add a FIXME comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85559 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 01:38:20 +00:00
Dan Gohman
b1cac33856 Add some comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85558 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 01:34:35 +00:00
Dan Gohman
f705adbe5e Initial x86 support for BlockAddresses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85557 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 01:28:02 +00:00
Dan Gohman
8c2b52552c Initial target-independent CodeGen support for BlockAddresses. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85556 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 01:27:03 +00:00
Jim Grosbach
95d9504d46 Dial back the realignment a bit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85546 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-30 00:08:40 +00:00
David Goodwin
5b3c308970 Between scheduling regions, correctly maintain anti-dep breaking state so that we don't incorrectly rename registers that span these regions. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85537 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 23:30:59 +00:00
Dan Gohman
6c1de1830b Remove some unnecessary spaces in debug output. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85536 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 23:30:06 +00:00
Dan Gohman
e1f188fe27 Move some code from being emitted as boilerplate duplicated in every 
*ISelDAGToDAG.cpp to being regular code in SelectionDAGISel.cpp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85530 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 22:30:23 +00:00
David Goodwin
67a8a7b3bd Fix a couple of bugs in aggressive anti-dep breaking. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85522 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 19:17:04 +00:00
Bob Wilson
7b888b8ad0 Refactor complicated predicate into a separate function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85519 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 18:40:06 +00:00
Devang Patel
94dfaec32c First bitcase use may not lead to a dbg.declare intrinsic. Iterate uses until one find's dbg.declare intrinsic. 
Patch by Sunae Seo.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85518 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 18:20:34 +00:00
Dan Gohman
533297b58d Rename usesCustomDAGSchedInserter to usesCustomInserter, and update a 
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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85517 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 18:10:34 +00:00
Dan Gohman
5c95230f25 Refactor the code for unfolding a load into a separate function. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85515 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 17:47:20 +00:00
Bill Wendling
a33ac6a4c1 Reapply r85338. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85514 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 17:39:46 +00:00
Benjamin Kramer
0507d8373a Fix MSVC build. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85505 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 12:55:32 +00:00
Nick Lewycky
abbe42e136 Apply some cleanups. No functionality changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85498 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 07:35:15 +00:00
Chris Lattner
a4c206febe add sanity check for indbr. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85496 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 05:53:32 +00:00
Chris Lattner
b3d5a65d94 just for the hell of it, allow globalopt to statically evaluate 
static constructors with indirect gotos :)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85495 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 05:51:50 +00:00
Chris Lattner
f32a6a3091 add interpreter support for indirect goto / blockaddress. The interpreter 
now correctly runs clang's test/CodeGen/indirect-goto.c.  The JIT will abort
on it until someone feels compelled to implement this.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85488 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 05:26:09 +00:00
Zhongxing Xu
06ff7505e1 fix 80-col. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85480 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 04:41:24 +00:00
Zhongxing Xu
8370057f0c Explicitly convert to double to suppress Visual C++ 2008 build error C2668 pow is ambiguous call to overloaded function 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85478 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 03:43:06 +00:00
Jim Grosbach
84e58d03c9 To get more thorough testing from llc-beta nightly runs, do dynamic stack 
realignment regardless of whether it's strictly necessary.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85476 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 02:41:21 +00:00
Jim Grosbach
f2ce516828 When the function is doing dynamic stack realignment, the spill slot will be 
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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85474 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 02:33:47 +00:00
Chris Lattner
4c0236fd8b teach various passes about blockaddress. We no longer 
crash on any clang tests.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85465 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 01:21:20 +00:00
Dale Johannesen
78c5cdaf2a When there is a 2-instruction spill sequence, record 
the second (store) instruction in SpillSlotToUsesMap
consistently.  I don't think this matters functionally,
but it's cleaner and Evan wants it this way.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85463 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 01:15:40 +00:00
Bill Wendling
8bedf97f68 Don't put in these EH changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85460 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 00:37:35 +00:00
Chris Lattner
1bb95911de teach ValueMapper about BlockAddress', making bugpoint a lot more useful. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85458 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 00:31:02 +00:00
Chris Lattner
77488ccc63 unindent massive blocks, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85457 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 00:28:30 +00:00
Bill Wendling
f58898fd41 Reverting r85338 for now. It's causing a bootstrap failure on PPC darwin9. 
--- Reverse-merging r85338 into '.':
U    lib/CodeGen/SimpleRegisterCoalescing.cpp
U    lib/CodeGen/SimpleRegisterCoalescing.h



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85454 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 00:22:16 +00:00
Dan Gohman
eeb8ef1f37 Add a hasAddressTaken for BasicBlock. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85449 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-29 00:09:08 +00:00
Bob Wilson
2c04dae715 Reimplement BranchFolding change to avoid tail merging for a 1 instruction 
common tail, except when the OptimizeForSize function attribute is present.
Radar 7338114.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85441 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 22:10:20 +00:00
Dale Johannesen
e841d2f867 When we generate spill code, then decide we don't need 
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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85437 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 21:56:18 +00:00
Eric Christopher
7e5d2ff20f Make sure we return the right sized type here. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85436 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 21:32:16 +00:00
Bob Wilson
a597103c32 Revert r85346 change to control tail merging by CodeGenOpt::Level. 
I'm going to redo this using the OptimizeForSize function attribute.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85426 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 20:46:46 +00:00
Victor Hernandez
90f48e7c91 Extend getMallocArraySize() to determine the array size if the malloc argument is: 
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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85421 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 20:18:55 +00:00
David Goodwin
82c7248518 Make AntiDepReg.h internal. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85412 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 18:29:54 +00:00
Bob Wilson
8d4de5abfa Add a Thumb BRIND pattern. Change the ARM BRIND assembly to separate the 
opcode and operand with a tab.  Check for these instructions in the usual
places.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85411 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 18:26:41 +00:00
Evan Cheng
30c80211b6 fconsts and fconstd are obviously re-materializable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85410 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 18:19:56 +00:00
Jim Grosbach
ca5dfb71ba Cleanup now that frame index scavenging via post-pass is working for ARM and Thumb2. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85406 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 17:33:28 +00:00
Devang Patel
cd0fee86de llvm.dbg.global_variables do not exist anymore. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85402 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 16:51:52 +00:00
Chris Lattner
70197a3a04 add a new 'SetCurrentDebugType' API (requested by Andrew Haley for JIT 
stuff) to programmatically control the current debug flavor.  While 
I'm at it, doxygenate Debug.h and clean it up.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85395 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 15:32:19 +00:00
Dan Gohman
1507cd03a6 Don't call SDNode::isPredecessorOf when it isn't necessary. If the load's 
chains have no users, they can't be predecessors of the condition.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85394 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 15:28:02 +00:00
Dan Gohman
b8457a1a29 Simplify this code: if the unfolded load can't be hoisted, just delete 
the new instructions and leave the old one in place.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85393 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 15:23:36 +00:00
Edward O'Callaghan
c359ec7021 No newline at end of file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85390 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 15:04:53 +00:00
Benjamin Kramer
3185d702f2 Update CMake file. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85389 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 13:29:18 +00:00
Owen Anderson
b62f792e78 Treat lifetime begin/end markers as allocations/frees respectively for the 
purposes for GVN/DSE.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85383 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 07:05:35 +00:00
Nick Lewycky
40cc524ede Add ABCD, a generalized implementation of the Elimination of Array Bounds 
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!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85382 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 07:03:15 +00:00
Evan Cheng
c59420867e Give ARMISD::EH_SJLJ_LONGJMP and EH_SJLJ_SETJMP names. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85381 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 06:55:03 +00:00
Owen Anderson
a85a66423d Be more careful about invariance reasoning on "store" queries. Stores still need 
to depend on Ref and ModRef calls within the invariant region.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85380 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 06:30:52 +00:00
Evan Cheng
89321166da X86 palignr intrinsics immediate field is in bits. ISel must transform it into bytes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@85379 91177308-0d34-0410-b5e6-96231b3b80d8
 2009-10-28 06:30:34 +00:00