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Author SHA1 Message Date
Nadav Rotem
21ef70ed4f Fix a bug in the code that builds SDNodes from vector GEPs. 
When the GEP index is a vector of pointers, the code that calculated the size
of the element started from the vector type, and not the contained pointer type.
As a result, instead of looking at the data element pointed by the vector, this
code used the size of the vector. This works for 32bit members (on 32bit
systems), but not for other types. Added code to peel the vector type and
added a test.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151626 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 11:54:05 +00:00
Jia Liu
bb481f8820 remove blanks, and some code format 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151625 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 07:46:26 +00:00
Evan Cheng
ec52aaa12f Some ARM implementaions, e.g. A-series, does return stack prediction. That is, 
the processor keeps a return addresses stack (RAS) which stores the address
and the instruction execution state of the instruction after a function-call
type branch instruction.

Calling a "noreturn" function with normal call instructions (e.g. bl) can
corrupt RAS and causes 100% return misprediction so LLVM should use a
unconditional branch instead. i.e.
mov lr, pc
b _foo
The "mov lr, pc" is issued in order to get proper backtrace.

rdar://8979299


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151623 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 06:42:03 +00:00
Craig Topper
1f59523521 Convert generated intrinsic attributes to use an array lookup as Chris suggested in PR11951. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151622 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 06:32:00 +00:00
Pete Cooper
9e1154cf5b Reverted r152620 - DSE: Shorten memset when a later store overwrites the start of it. There were all sorts of buildbot issues 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151621 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 05:06:24 +00:00
Pete Cooper
a116623e06 DSE: Shorten memset when a later store overwrites the start of it 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151620 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 04:27:10 +00:00
Bill Wendling
601c094734 Oops...Don't commit the other stuff.. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151618 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 04:01:21 +00:00
Bill Wendling
cb8a7ed16b Modify comment to reflect the importance of this code. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151617 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 03:47:09 +00:00
Akira Hatanaka
980a999238 Add comments. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151615 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 03:18:43 +00:00
Akira Hatanaka
b75673b6e1 Do not reserve $gp as a dedicated global base register if the target ABI is not O32. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151614 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 03:17:38 +00:00
Charles Davis
8b37637b7f Strip extraneous information, if present, from the linker version string on 
Mac OS X. Patch by Fabian Groffen, with a slight tweak by me.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151612 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 02:55:41 +00:00
Akira Hatanaka
44b6c715ac Add support for floating point base register + offset register addressing mode 
load and store instructions.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151611 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 02:55:02 +00:00
Jakob Stoklund Olesen
2129a0f677 Handle regmasks in MachineCSE. 
Don't attempt to extend physreg live ranges across calls.

<rdar://problem/10942095>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151610 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 02:08:50 +00:00
Rafael Espindola
33177f591a Enable -Wcovered-switch-default as it matches the switch style used in llvm. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151609 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 02:01:55 +00:00
Jakob Stoklund Olesen
9ca12d2e2f Handle regmasks in the machine code verifier. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151607 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 01:42:41 +00:00
Jakob Stoklund Olesen
0f9d07fb25 Enable ARM base pointer when calling functions with large arguments. 
When an outgoing call takes more than 2k of arguments on the stack, we
don't allocate that call frame in the prolog, but adjust the stack
pointer immediately before the call instead.

This causes problems with the emergency spill slot because PEI can't
track stack pointer adjustments on the second pass, and if the outgoing
arguments are too big, SP can't be used to reach the emergency spill
slot at all.

Work around these problems by ensuring there is a base or frame pointer
that can be used to access the emergency spill slot.

<rdar://problem/10917166>

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151604 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 01:15:01 +00:00
Michael J. Spencer
dfa1896b6b [Object] Add {begin,end}_dynamic_symbols stubs and implementation for ELF. 
Add -D option to llvm-nm to dump dynamic symbols.

Patch by David Meyer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151600 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 00:40:37 +00:00
Chad Rosier
921c9bd91f Fix 80-column violation. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151599 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-28 00:23:01 +00:00
Hal Finkel
2cff6179ab Allow llvm-stress to optionally generate the other floating-point types (half, ppcf128, mmx, etc.) 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151596 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 23:59:33 +00:00
Bill Wendling
348e5e763e Add back removed code. It still causes LLVM to miscompile. But not having it breaks other things. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151594 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 23:48:30 +00:00
Preston Gurd
e879cbae7c This patch adds instruction latencies for the SSE instructions 
to the instruction scheduler for the Intel Atom.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151590 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 23:35:03 +00:00
Preston Gurd
79ac37b391 test commit. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151588 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 23:31:51 +00:00
Eli Friedman
cd38485b8a Duncan pointed out that if the alignment isn't explicitly specified, it defaults to the ABI alignment. Given that, make this code a bit more aggressive in such cases. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151584 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 23:16:46 +00:00
Evandro Menezes
0cae72c47e Delete incorrect reference to inexistent Hexagon architecture manuals. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151582 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 23:00:52 +00:00
Bill Wendling
e9142f035d Don't use #if 0. Just remove until I can address this. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151580 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 22:55:40 +00:00
Bill Wendling
fddefccf05 XFAIL test until <rdar://problem/10913281> is fixed. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151578 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 22:53:42 +00:00
Bill Wendling
c68d127b2c The code that cleans up multiple, isomorphic types has a subtle error that 
manifests itself when building LLVM with LTO.
<rdar://problem/10913281>


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151576 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 22:34:19 +00:00
Michael J. Spencer
284a6bbae1 Remove duplicate copy of Object/ELF.h that somehow managed to get in. 
Patch by David Meyer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151575 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 22:06:44 +00:00
Evan Cheng
b266cd0e98 Fix for PR12090: clear def maps of aliases when visiting a copy. e.g. 
%S5<def> = COPY %S0<kill>
First clear def map of Q1, etc.

No small test case available.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151574 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 21:46:42 +00:00
Jim Grosbach
7b25ecf6ad ARM BL/BLX instruction fixups should use relocations. 
We on the linker to resolve calls to the appropriate BL/BLX instruction
to make interworking function correctly. It uses the symbol in the
relocation to do that, so we need to be careful about being too clever.

To enable this for ARM mode, split the BL/BLX fixup kind off from the
unconditional-branch fixups.

rdar://10927209

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151571 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 21:36:23 +00:00
Argyrios Kyrtzidis
945c2b3965 Move "clang/Analysis/Support/SaveAndRestore.h" to "llvm/ADT/SaveAndRestore.h" 
to make it more widely available.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151564 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 21:08:33 +00:00
Eli Friedman
1680a24e53 Teach BasicAA about the LLVM IR rules that allow reading past the end of an object given sufficient alignment. Fixes PR12098. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151553 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 20:46:07 +00:00
Roman Divacky
9e2a79c287 Test the section specification. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151552 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 20:42:19 +00:00
Derek Schuff
cd4f803ac1 Fix PR12089 
http://llvm.org/bugs/show_bug.cgi?id=12089



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151550 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 20:31:47 +00:00
Roman Divacky
4328f9f174 Reapply r151278 with fixes. 
MCize function entry label emission on PowerPC64 properly.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151547 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 20:20:47 +00:00
Chad Rosier
77834e795a Add q suffix aliases for the fistp and fisttp mnemonics. 
rdar://10921670
PR11935



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151543 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 19:43:12 +00:00
Akira Hatanaka
3d14b9e28d Remove unnecessary template parameters. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151540 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 19:17:53 +00:00
Akira Hatanaka
b90113a23e Fix instruction predicates that were not set correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151538 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 19:09:08 +00:00
Jakob Stoklund Olesen
121b179edf Update machine code verifier. 
After the SlotIndex slot names were updated, it is possible to apply
stricter checks to live intervals.

Also treat bundles as bags of operands when checking live intervals.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151531 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 18:24:30 +00:00
Kevin Enderby
0943303d31 Fix the symbolic operand added for the C disassmbler API for the ARM bl 
thumb instruction.  The PC adjustment is +4 in Thumb mode and +8 in ARM mode.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151530 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 18:15:15 +00:00
Jakob Stoklund Olesen
62c4d9799f Add a MachineOperand iterator class. 
The MIOperands iterator can visit operands on a single instruction, or
all operands in a bundle.  This simplifies code like the register
allocator that treats bundles as a set of operands.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151529 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 18:09:36 +00:00
Benjamin Kramer
3bbf2b6548 Plog a memleak in GlobalOpt. 
Found by valgrind.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151525 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 12:48:24 +00:00
Duncan Sands
768ada611b Micro-optimization, no functionality change. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151524 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 12:11:41 +00:00
Jay Foad
b4b2688db0 Help the compiler to eliminate some dead code when hashing an array of T 
where sizeof (T) is a multiple of 4.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151523 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 11:00:17 +00:00
Duncan Sands
5583e30818 The value numbering function is recursive, so it is possible for multiple new 
value numbers to be assigned when calculating any particular value number.
Enhance the logic that detects new value numbers to take this into account,
for a tiny compile time speedup.  Fix a comment typo while there.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151522 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 09:54:35 +00:00
Duncan Sands
669011f50b When performing a conditional branch depending on the value of a comparison 
%cmp (eg: A==B) we already replace %cmp with "true" under the true edge, and
with "false" under the false edge.  This change enhances this to replace the
negated compare (A!=B) with "false" under the true edge and "true" under the
false edge.  Reported to improve perlbench results by 1%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151517 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 08:14:30 +00:00
Craig Topper
a89cc7fec8 Remove HexagonGenIntrinsics.inc from Hexagon cmake file. It does not appear in the Makefile and the output it produces isn't used. The Hexagon intrinsics are all in the global Intrinsics.gen. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151514 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 02:59:43 +00:00
Craig Topper
a1c5b8e1e6 Update tblgen command guide. Remove unused tblgen InstrEnumEmitter files. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151513 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 02:31:09 +00:00
Jia Liu
c4a238c20f delete useless comment&blank 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151512 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 02:21:34 +00:00
Rafael Espindola
23b6ec906a Fix this assert. IP can point to an instruction with strange dominance 
properties (invoke). Just assert that the instruction we return dominates
the insertion point.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151511 91177308-0d34-0410-b5e6-96231b3b80d8
 2012-02-27 02:13:03 +00:00