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Author SHA1 Message Date
Devang Patel
53dc40a45f Disable ARMGlobalMerge on darwin. The debugger is not yet able to extract individual variable's info from merged global. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127019 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 19:11:05 +00:00
Bruno Cardoso Lopes
5d6fb5db90 Expands FCOS and FSIN nodes when type is f64. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127017 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 18:54:14 +00:00
Jakob Stoklund Olesen
f0cf2d357c Number SlotIndexes uniformly without looking at the number of defs on each instruction. 
You can't really predict how many indexes will be needed from the number of
defs, so let's keep it simple.

Also remove an extra empty index that was inserted after each basic block. It
was intended for live-out ranges, but it was never used that way.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127014 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 18:51:09 +00:00
Jakob Stoklund Olesen
bee41501fa Symbolize the default instruction distance. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127013 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 18:36:51 +00:00
Benjamin Kramer
e90756d8a0 raw_ostream: If writing a string that is larger than the buffer, write it directly instead of doing many buffer-sized writes. 
This caps the number of write(2) calls per string to a maximum of 2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127010 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 18:18:16 +00:00
Jakob Stoklund Olesen
beb9a1f9fd Deferred SlotIndex renumbering was a good idea but never used. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127008 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 18:08:32 +00:00
Jakob Stoklund Olesen
10c5f2dad5 Add SlotIndex statistics. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127007 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 18:08:29 +00:00
Jakob Stoklund Olesen
fb69810a2b Tweak debug output. No functional changes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127006 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 18:08:26 +00:00
Bruno Cardoso Lopes
911a992c33 Fixes addc pattern when immediate cannot be represented with 16-bit. Patch by Akira Hatanaka 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127005 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 17:59:18 +00:00
Bruno Cardoso Lopes
81092dc20a Remove (hopefully) all trailing whitespaces from the mips backend. Patch by Hatanaka, Akira 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127003 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 17:51:39 +00:00
Duncan Sands
53dfa78e41 Revert commit 126684 "Use the correct shift amount type". It is only the correct 
type after type legalization has completed.  Before then it may simply not be big
enough to hold the shift amount, particularly on x86 which uses a very small type
for shifts (this issue broke stuff in the past which is why LegalizeTypes carefully
uses a large type for shift amounts).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@127000 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 14:28:59 +00:00
Kalle Raiskila
31cbac1cfe Allow vector shifts (shl,lshr,ashr) on SPU. 
There was a previous implementation with patterns that would 
have matched e.g. 
	shl <v4i32> <i32>,
but this is not valid LLVM IR so they never were selected.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126998 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 13:19:18 +00:00
Kalle Raiskila
7f5de8b4c6 Allow load from constant on SPU. 
A 'load <4 x i32>* null' crashes llc before this fix.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126995 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 12:00:11 +00:00
Nick Lewycky
786792784e Fold "icmp pred (srem X, Y), Y" like we do for urem. Handle signed comparisons 
in the urem case, though not the other way around. This is enough to get #3 from
PR9343!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126991 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 10:06:52 +00:00
Nick Lewycky
3a73e343d0 Teach instruction simplify to use constant ranges to solve problems of the form 
"icmp pred %X, CI" and a number of examples where "%X = binop %Y, CI2".

Some of these cases (div and rem) used to make it through opt -O2, but the
others are probably now making code elsewhere redundant (probably instcombine).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126988 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 07:00:57 +00:00
Eli Friedman
86d822df6d Followup to r126970: add 64-bit encoding tests for str with reg operand. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126987 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 04:06:47 +00:00
Jakob Stoklund Olesen
2bc2a08b1b DenseMap<uintptr_t,...> doesn't allow all values as keys. 
Avoid colliding with the sentinels, hopefully unbreaking
llvm-gcc-x86_64-linux-selfhost.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126982 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 02:48:56 +00:00
Andrew Trick
a0807f57ca Minor pre-RA-sched fixes and cleanup. 
Fix the PendingQueue, then disable it because it's not required for
the current schedulers' heuristics.
Fix the logic for the unused list-ilp scheduler.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126981 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 02:03:45 +00:00
Devang Patel
566bd12e54 Add ArrayRef variant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126978 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 01:20:33 +00:00
Jakob Stoklund Olesen
40a42a2cca Precompute block frequencies, pow() isn't free. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126975 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 00:58:40 +00:00
Jakob Stoklund Olesen
13ba2dab63 Use an IndexedMap instead of a DenseMap for the live-out cache. 
This speeds up updateSSA() so it only accounts for 5% of the live range
splitting time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126972 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 00:15:36 +00:00
Eli Friedman
ac39bd534b PR9377: Handle x86 str with register operand in a way consistent with gas. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126970 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-04 00:10:17 +00:00
Bill Wendling
e7147dba73 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126969 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 23:14:05 +00:00
Bob Wilson
58f04fd22a PR8053: Fix encoding of S bit in some ARM instructions. 
Patch by Zonr Chang!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126967 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 23:07:15 +00:00
Eli Friedman
81c5ef8649 Revert r123908; the code in question is completely untested and wrong. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126964 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 22:33:23 +00:00
Joerg Sonnenberger
ea83b13350 Bug#9033: For the ELF assembler output, always quote the section name. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126963 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 22:31:08 +00:00
Devang Patel
bbd0f45b47 Fix typo. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126962 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 21:49:41 +00:00
Devang Patel
6f676be5ff Fix thinko in previous check-in. 
Add comment.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126959 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 20:08:10 +00:00
Devang Patel
cb3a65755e 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. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126957 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 20:02:02 +00:00
Jim Grosbach
0f657b156f Allow a target to choose whether to prefer the scavenger emergency spill slot 
be next to the frame pointer or the stack pointer.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126956 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 20:01:52 +00:00
Jan Sjödin
24b17c6730 Split MCEELFStreamer and ELFObjectWriter into .h and .cpp files, so that other components can use them. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126942 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 14:52:12 +00:00
Richard Osborne
ea2578c63f Fix typo in comment. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126941 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 14:21:22 +00:00
Richard Osborne
022708f221 Optimize fprintf -> iprintf if there are no floating point arguments 
and siprintf is available on the target.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126940 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 14:20:22 +00:00
Justin Holewinski
43b4e23bac PTX: Fix Emacs renaming a symbol 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126938 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 14:09:40 +00:00
Richard Osborne
419454ad37 Optimize sprintf -> siprintf if there are no floating point arguments 
and siprintf is available on the target.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126937 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 14:09:28 +00:00
Justin Holewinski
12785e87e8 PTX: Fix a couple of lint violations 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126936 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 13:34:29 +00:00
Richard Osborne
3649824bec 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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126935 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 13:17:51 +00:00
Tilmann Scheller
49d7999b89 Use X86_thiscall calling convention for Win64 as well. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126934 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 07:49:07 +00:00
Eli Friedman
78c1e1781c 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.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126933 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 07:24:36 +00:00
Bob Wilson
1473f35c47 TableGen should not ignore BX instructions for the ARM disassembler. pr9368. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126931 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 07:19:52 +00:00
Bob Wilson
acc9e7315c Add a readme entry for the redundant movw issue for pr9370. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126930 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 06:39:09 +00:00
Jakob Stoklund Olesen
2c11eb333c 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126926 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 06:29:01 +00:00
Jakob Stoklund Olesen
f37712f486 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126925 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 05:40:04 +00:00
Jakob Stoklund Olesen
a97ff8a027 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126924 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 05:18:19 +00:00
Jakob Stoklund Olesen
acf9f48c5e Optimize SlotIndex equality tests. 
IndexListEntries have unique indexes, so it is not necessary to dereference
pointers to them.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126923 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 05:18:15 +00:00
Jakob Stoklund Olesen
b64f669b66 Avoid comparing invalid slot indexes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126922 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 04:23:52 +00:00
Jakob Stoklund Olesen
36d61863bc 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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126921 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 03:41:29 +00:00
Bill Wendling
f27a40a971 Check the ASM, not LLVM IR. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126918 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 02:02:12 +00:00
Bob Wilson
181d3fe727 pr9367: Add missing predicated BLX instructions. 
Patch by Jyun-Yan You, with some minor adjustments and a testcase from me.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126915 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 01:41:01 +00:00
Bill Wendling
cb1c195f53 Testcase for r126913. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126914 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-03-03 01:32:56 +00:00