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Author SHA1 Message Date
Lang Hames
68c94340cb Stop the iterator in ValueLiveAt from potentially running off the end of the interval. 
llvm-svn: 85599
 2009-10-30 18:12:09 +00:00
Rafael Espindola
d4fadd76da This fixes functions like 
void f (int a1, int a2, int a3, int a4, int a5,...)

In ARMTargetLowering::LowerFormalArguments if the function has 4 or
more regular arguments we used to set VarArgsFrameIndex using an
offset of 0, which is only correct if the function has exactly 4
regular arguments.

llvm-svn: 85590
 2009-10-30 14:33:14 +00:00
Oscar Fuentes
8072b6dafe CMake: install .def files from source `include/llvm' directory. 
llvm-svn: 85587
 2009-10-30 11:42:08 +00:00
Evan Cheng
eb9c268ba0 Rather than having llvm-gcc changing the meaning of OptimizeSize, just make sure loop unswitch is conservative when optimization level is < 3. 
llvm-svn: 85581
 2009-10-30 07:23:49 +00:00
Bob Wilson
95064e348a Add ARM codegen for indirect branches. 
clang/test/CodeGen/indirect-goto.c runs! (unoptimized)

llvm-svn: 85577
 2009-10-30 05:45:42 +00:00
Dan Gohman
84554e8eb2 Most stack straces don't need 3 digits worth of levels. 
llvm-svn: 85575
 2009-10-30 02:45:10 +00:00
Dan Gohman
2f18203b64 Don't delete blocks which have their address taken. 
llvm-svn: 85572
 2009-10-30 02:13:27 +00:00
Dan Gohman
2a0216ff1c Mention if a block has its address taken in debug output. 
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. 
llvm-svn: 85568
 2009-10-30 02:01:10 +00:00
Dan Gohman
468aef9289 Add support for BlockAddress static initializers. 
llvm-svn: 85562
 2009-10-30 01:45:18 +00:00
Dan Gohman
aa62f675db Add a FIXME comment. 
llvm-svn: 85559
 2009-10-30 01:38:20 +00:00
Dan Gohman
a0fc491716 Add some comments. 
llvm-svn: 85558
 2009-10-30 01:34:35 +00:00
Dan Gohman
2767aa065e Initial x86 support for BlockAddresses. 
llvm-svn: 85557
 2009-10-30 01:28:02 +00:00
Dan Gohman
6b7d1390d7 Initial target-independent CodeGen support for BlockAddresses. 
llvm-svn: 85556
 2009-10-30 01:27:03 +00:00
Devang Patel
134ea45684 Remove dead code. 
llvm-svn: 85551
 2009-10-30 00:39:25 +00:00
Dan Gohman
adf4f4b7f2 Add a BlockAddress MachineOperand kind. 
llvm-svn: 85549
 2009-10-30 00:20:08 +00:00
Dan Gohman
acbd7911fb Remove a redundant copy constructor. 
llvm-svn: 85547
 2009-10-30 00:14:33 +00:00
Jim Grosbach
95e1ff2dba Dial back the realignment a bit. 
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. 
llvm-svn: 85537
 2009-10-29 23:30:59 +00:00
Dan Gohman
ed15829b83 Remove some unnecessary spaces in debug output. 
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 
*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. 
llvm-svn: 85522
 2009-10-29 19:17:04 +00:00
Bob Wilson
e99d5530a3 Refactor complicated predicate into a separate function. 
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. 
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 
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. 
llvm-svn: 85515
 2009-10-29 17:47:20 +00:00
Bill Wendling
c0aefdd3db Reapply r85338. 
llvm-svn: 85514
 2009-10-29 17:39:46 +00:00
Benjamin Kramer
c2ed14cdb8 Fix MSVC build. 
llvm-svn: 85505
 2009-10-29 12:55:32 +00:00
Nick Lewycky
5207d16c05 Apply some cleanups. No functionality changes. 
llvm-svn: 85498
 2009-10-29 07:35:15 +00:00
Chris Lattner
57a8d8d4e0 add sanity check for indbr. 
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 
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 
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
befbf73b93 add newline to make cl.exe happy. 
llvm-svn: 85483
 2009-10-29 05:07:14 +00:00
Zhongxing Xu
93af2d027f fix 80-col. 
llvm-svn: 85480
 2009-10-29 04:41:24 +00:00
Chris Lattner
91d310f259 greatly improve the LLVM IR bitcode encoding documentation, 
patch by Peter Housel!

llvm-svn: 85479
 2009-10-29 04:25:46 +00:00
Zhongxing Xu
45d8013f73 Explicitly convert to double to suppress Visual C++ 2008 build error C2668 pow is ambiguous call to overloaded function 
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 
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 
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
Johnny Chen
bcb6d87c9d Sorry to break the build. 
I was trying to check the WIP file to some local repository, but ended up
checking in the llvm repository.  Oops!

llvm-svn: 85470
 2009-10-29 02:04:53 +00:00
Johnny Chen
19209e26ff Minor tweak to forgo the the curly braces for most case blocks, except when 
declaring local variables.

llvm-svn: 85467
 2009-10-29 01:45:07 +00:00
Chris Lattner
a0e35cae82 teach various passes about blockaddress. We no longer 
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 
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. 
llvm-svn: 85460
 2009-10-29 00:37:35 +00:00
Douglas Gregor
354d1b85b2 A switch-on-string-literal construct that is a nice alternative to 
cascading "ifs" of strcmps/memcmps.

llvm-svn: 85459
 2009-10-29 00:34:30 +00:00
Chris Lattner
0a782eec94 teach ValueMapper about BlockAddress', making bugpoint a lot more useful. 
llvm-svn: 85458
 2009-10-29 00:31:02 +00:00
Chris Lattner
8f70e602d3 unindent massive blocks, no functionality change. 
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. 
--- 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
3f9f33080a Add indirectbr and blockaddress to the vim syntax highlighting file. 
llvm-svn: 85451
 2009-10-29 00:14:44 +00:00
Dan Gohman
c80f1a4033 Add a hasAddressTaken for BasicBlock. 
llvm-svn: 85449
 2009-10-29 00:09:08 +00:00
Chris Lattner
64ba3671c9 add IRBuilder support for IndirectBr 
llvm-svn: 85445
 2009-10-28 23:25:00 +00:00