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Author SHA1 Message Date
Bill Wendling
6e6a0422eb There are times when the landing pad won't have a call to 'eh.selector' in 
it. It's been assumed up til now that it would be in its immediate
successor. However, this isn't necessarily the case. It could be in one of its
successor's successors.

Modify the code to more thoroughly check for an 'eh.selector' call in
successors. It only looks at a successor if we get there as a result of an
unconditional branch.

Testcase ObjC/exceptions-4.m in r126968.

llvm-svn: 126969
 2011-03-03 23:14:05 +00:00
Bob Wilson
c48ba54186 PR8053: Fix encoding of S bit in some ARM instructions. 
Patch by Zonr Chang!

llvm-svn: 126967
 2011-03-03 23:07:15 +00:00
Eli Friedman
26f5c96de3 Revert r123908; the code in question is completely untested and wrong. 
llvm-svn: 126964
 2011-03-03 22:33:23 +00:00
Joerg Sonnenberger
bb93506f95 Bug#9033: For the ELF assembler output, always quote the section name. 
llvm-svn: 126963
 2011-03-03 22:31:08 +00:00
Devang Patel
a7b5a00033 Fix typo. 
llvm-svn: 126962
 2011-03-03 21:49:41 +00:00
Devang Patel
3c2bd93f9e Fix thinko in previous check-in. 
Add comment.

llvm-svn: 126959
 2011-03-03 20:08:10 +00:00
Devang Patel
4adbb350be llvm::Function argument count is not a good indicator of how many arugments does the function have at source level. If we need more space, just resize vector conservatively. This vector is only used once per function. 
llvm-svn: 126957
 2011-03-03 20:02:02 +00:00
Jim Grosbach
e4ef37b298 Allow a target to choose whether to prefer the scavenger emergency spill slot 
be next to the frame pointer or the stack pointer.

llvm-svn: 126956
 2011-03-03 20:01:52 +00:00
Jan Sjödin
3c1fa9a68b Split MCEELFStreamer and ELFObjectWriter into .h and .cpp files, so that other components can use them. 
llvm-svn: 126942
 2011-03-03 14:52:12 +00:00
Richard Osborne
2186cd4e47 Fix typo in comment. 
llvm-svn: 126941
 2011-03-03 14:21:22 +00:00
Richard Osborne
88d0d840f2 Optimize fprintf -> iprintf if there are no floating point arguments 
and siprintf is available on the target.

llvm-svn: 126940
 2011-03-03 14:20:22 +00:00
Justin Holewinski
396fdaee6d PTX: Fix Emacs renaming a symbol 
llvm-svn: 126938
 2011-03-03 14:09:40 +00:00
Richard Osborne
021b589253 Optimize sprintf -> siprintf if there are no floating point arguments 
and siprintf is available on the target.

llvm-svn: 126937
 2011-03-03 14:09:28 +00:00
Justin Holewinski
86e749c620 PTX: Fix a couple of lint violations 
llvm-svn: 126936
 2011-03-03 13:34:29 +00:00
Richard Osborne
df829ddcb7 Optimize printf -> iprintf if there are no floating point arguments 
and iprintf is available on the target. Currently iprintf is only
marked as being available on the XCore.

llvm-svn: 126935
 2011-03-03 13:17:51 +00:00
Tilmann Scheller
ab6450ec63 Use X86_thiscall calling convention for Win64 as well. 
llvm-svn: 126934
 2011-03-03 07:49:07 +00:00
Eli Friedman
f7eb4cce13 PR9352: Always emit a relocation for weak symbols. Not emitting relocations 
for calls to weak symbols with a definition has the appearance of working
with LLVM-generated code because weak symbol definitions are put in their
own sections.

llvm-svn: 126933
 2011-03-03 07:24:36 +00:00
Bob Wilson
e24bee9ce8 TableGen should not ignore BX instructions for the ARM disassembler. pr9368. 
llvm-svn: 126931
 2011-03-03 07:19:52 +00:00
Bob Wilson
72ccdfe148 Add a readme entry for the redundant movw issue for pr9370. 
llvm-svn: 126930
 2011-03-03 06:39:09 +00:00
Jakob Stoklund Olesen
3511ad1023 Renumber slot indexes uniformly instead of spacing according to the number of defs. 
There are probably much larger speedups to be had by renumbering locally instead
of looping over the whole function. For now, the greedy register allocator is
25% faster.

llvm-svn: 126926
 2011-03-03 06:29:01 +00:00
Jakob Stoklund Olesen
d0930e03c1 Represent sentinel slot indexes with a null pointer. 
This is much faster than using a pointer to a ManagedStatic object accessed with
a function call. The greedy register allocator is 5% faster overall just from
the SlotIndex default constructor savings.

llvm-svn: 126925
 2011-03-03 05:40:04 +00:00
Jakob Stoklund Olesen
2e6407e9aa Avoid comparing invalid slot indexes, and assert that it doesn't happen. 
The SlotIndex created by the default construction does not represent a position
in the function, and it doesn't make sense to compare it to other indexes.

llvm-svn: 126924
 2011-03-03 05:18:19 +00:00
Jakob Stoklund Olesen
2a12e5adba Optimize SlotIndex equality tests. 
IndexListEntries have unique indexes, so it is not necessary to dereference
pointers to them.

llvm-svn: 126923
 2011-03-03 05:18:15 +00:00
Jakob Stoklund Olesen
92d724fb69 Avoid comparing invalid slot indexes. 
llvm-svn: 126922
 2011-03-03 04:23:52 +00:00
Jakob Stoklund Olesen
2759a169ea Cache basic block bounds instead of asking SlotIndexes::getMBBRange all the time. 
This speeds up the greedy register allocator by 15%.
DenseMap is not as fast as one might hope.

llvm-svn: 126921
 2011-03-03 03:41:29 +00:00
Bill Wendling
f13018b233 Check the ASM, not LLVM IR. 
llvm-svn: 126918
 2011-03-03 02:02:12 +00:00
Bob Wilson
42f80596ca pr9367: Add missing predicated BLX instructions. 
Patch by Jyun-Yan You, with some minor adjustments and a testcase from me.

llvm-svn: 126915
 2011-03-03 01:41:01 +00:00
Bill Wendling
ee60338654 Testcase for r126913. 
llvm-svn: 126914
 2011-03-03 01:32:56 +00:00
Jakob Stoklund Olesen
09a1939164 Change the SplitEditor interface to a single instance can be shared for multiple splits. 
llvm-svn: 126912
 2011-03-03 01:29:13 +00:00
Jakob Stoklund Olesen
df789f852e Only run the updateSSA loop when we have actually seen multiple values. 
When only a single value has been seen, new PHIDefs are never needed.

llvm-svn: 126911
 2011-03-03 01:29:10 +00:00
Jakob Stoklund Olesen
31949ff3f8 Fix PHI handling in LiveIntervals::shrinkToUses(). 
We need to wait until we meet a PHIDef in its defining block before resurrecting
PHIKills in the predecessors.

This should unbreak the llvm-gcc-build-x86_64-darwin10-x-mingw32-x-armeabi bot.

llvm-svn: 126905
 2011-03-03 00:20:51 +00:00
Stuart Hastings
efcae37ebf Test case for r126864. Radar 9056407. 
llvm-svn: 126900
 2011-03-02 23:41:40 +00:00
Bob Wilson
42e5d02b10 Avoid exponential blow-up when printing DAGs. 
David Greene changed CannotYetSelect() to print the full DAG including multiple
copies of operands reached through different paths in the DAG.  Unfortunately
this blows up exponentially in some cases.  The depth limit of 100 is way too
high to prevent this -- I'm seeing a message string of 150MB with a depth of
only 40 in one particularly bad case, even though the DAG has less than 200
nodes.  Part of the problem is that the printing code is following chain
operands, so if you fail to select an operation with a chain, the printer will
follow all the chained operations back to the entry node.

llvm-svn: 126899
 2011-03-02 23:38:06 +00:00
Jakob Stoklund Olesen
c5dc2c61fc Turn the Edit member into a pointer so it can change dynamically. 
No functional change.

llvm-svn: 126898
 2011-03-02 23:31:50 +00:00
Stuart Hastings
9a27ba5aaa Test case for r126672. Radar 9055247. 
llvm-svn: 126896
 2011-03-02 23:24:44 +00:00
Kevin Enderby
58cc960338 Fixes an assertion failure while disassembling ARM rsbs reg/reg form. 
Patch by Ted Kremenek!

llvm-svn: 126895
 2011-03-02 23:08:33 +00:00
Jakob Stoklund Olesen
9697ef837c Transfer simply defined values directly without recomputing liveness and SSA. 
Values that map to a single new value in a new interval after splitting don't
need new PHIDefs, and if the parent value was never rematerialized the live
range will be the same.

llvm-svn: 126894
 2011-03-02 23:05:19 +00:00
Jakob Stoklund Olesen
22469169cd Extract a method. No functional change. 
llvm-svn: 126893
 2011-03-02 23:05:16 +00:00
Renato Golin
967b93c6e3 Fixing a bug when printing fpu text to object file. Patch by Mans Rullgard. 
llvm-svn: 126882
 2011-03-02 21:20:09 +00:00
Chris Lattner
e82c10f5df add some slice helper methods. 
llvm-svn: 126878
 2011-03-02 20:55:51 +00:00
Duncan Sands
a7c3ebafe4 Remove DIFactory. Patch by Devang. 
llvm-svn: 126871
 2011-03-02 20:30:37 +00:00
Stuart Hastings
a40e563e4e Can't introduce floating-point immediate constants after legalization. 
Radar 9056407.

llvm-svn: 126864
 2011-03-02 19:36:30 +00:00
Tilmann Scheller
c557d1eeb4 Add Win64 thiscall calling convention. 
llvm-svn: 126862
 2011-03-02 19:29:22 +00:00
Oscar Fuentes
06f62a8581 Support for parallel compilation (/MP) when using the VS IDE. 
Patch by Erik Olofsson!

llvm-svn: 126847
 2011-03-02 17:47:37 +00:00
David Greene
2fd6d03bc9 [AVX] Fix mask predicates for 256-bit UNPCKLPS/D and implement 
missing patterns for them.

      Add a SIMD test subdirectory to hold tests for SIMD instruction
      selection correctness and quality.
'

llvm-svn: 126845
 2011-03-02 17:23:43 +00:00
Che-Liang Chiou
8ab0f86f1b ptx: fix lint and compiler warnings 
llvm-svn: 126838
 2011-03-02 07:58:46 +00:00
Che-Liang Chiou
3529b49230 Add 64-bit addressing to PTX backend 
- Add '64bit' sub-target option.
- Select 32-bit/64-bit loads/stores based on '64bit' option.
- Fix function parameter order.

Patch by Justin Holewinski

llvm-svn: 126837
 2011-03-02 07:36:48 +00:00
Rafael Espindola
7f301833ee Add a special streamer to libLTO that just records symbols definitions and 
uses.

The result produced by the streamer is used to give the linker more accurate
information and to add to llvm.compiler.used. The second improvement removes
the need for the user to add __attribute__((used)) to functions only used in
inline asm. The first one lets us build firefox with LTO on Darwin :-)

llvm-svn: 126830
 2011-03-02 04:14:42 +00:00
Cameron Zwarich
bb1d033824 Fix some typos. 
llvm-svn: 126829
 2011-03-02 04:03:46 +00:00
John McCall
8346b49836 Teach the clang attribute emitter about InheritableParamAttr. 
Intended to be atomic with clang r126828.

llvm-svn: 126827
 2011-03-02 04:00:52 +00:00