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Author SHA1 Message Date
Bill Wendling
5e38c473a4 In places where it's using "getFirstNonPHI", skip the landingpad instruction if necessary. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137679 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 23:19:54 +00:00
Jim Grosbach
19cb7f491f MCTargetAsmParser target match predicate support. 
Allow a target assembly parser to do context sensitive constraint checking
on a potential instruction match. This will be used, for example, to handle
Thumb2 IT block parsing.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137675 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 23:03:29 +00:00
Devang Patel
6326a4238d Add a finalize() hook, that'll let DIBuilder construct compile unit lazily. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137673 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 23:00:00 +00:00
Bill Wendling
6456a62178 Don't sink the instruction to before a landingpad instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137672 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 22:53:05 +00:00
Devang Patel
d30243402b This is somewhat déjà-vu, but avoid using getCompileUnit() as much as possible. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137668 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 22:24:32 +00:00
Eli Friedman
3d30b435e2 Update inter-procedural optimizations for atomic load/store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137667 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 22:16:46 +00:00
Eli Friedman
cc4a0435b7 Update instcombine for atomic load/store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137664 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 22:09:40 +00:00
Devang Patel
d0b5a5ece4 Refactor. Variables are part of compile unit so let CompileUnit create new variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137663 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 22:04:40 +00:00
Eli Friedman
c869b4397a Add some comments here because the lack of a check for volatile/atomic here is a bit unusual. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137662 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:56:39 +00:00
Bruno Cardoso Lopes
50b37c7920 Fix PR10656. It's only profitable to use 128-bit inserts and extracts 
when AVX mode is one. Otherwise is just more work for the type
legalizer.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137661 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:45:54 +00:00
Devang Patel
7a328270be There is no need to maintain a set to keep track of variables that use location expressions. In such cases, AT_location attribute's value will be a label. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137659 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:43:21 +00:00
Devang Patel
c890b19226 Fix warning. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137658 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:35:16 +00:00
Owen Anderson
c4bda5633a Add some more comprehensive VFP decoding tests. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137657 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:29:01 +00:00
Devang Patel
ff9dd0ac55 Simplify. Let DbgVariable keep track of variable's DBG_VALUE machine instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137656 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:24:36 +00:00
Bill Wendling
9d6070f161 Duncan pointed out that the LandingPadInst might read memory. (It might also 
write to memory.) Marking it as such makes some checks for immobility go away.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137655 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:14:31 +00:00
Eli Friedman
0455bb89cd Fix llvm::CloneModule to correctly clone globals. Patch per bug report by Simon Moll on llvmdev. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137654 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:05:06 +00:00
Eli Friedman
e5e771263a Fix predicates methods on Instruction to handle atomic load/store correctly. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137652 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 21:00:18 +00:00
Eric Christopher
801f10f716 Fix this test to avoid leaving a temporary file behind. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137651 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:55:03 +00:00
Eli Friedman
667ccf231b Misc analysis passes that need to be aware of atomic load/store. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137650 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:54:19 +00:00
Jim Grosbach
47a24ab4d7 Move MatchResultTy enum into base class definition. 
No need for it to be redefined as part of every derived target asm parser
class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137649 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:53:08 +00:00
Eli Friedman
97671565ff Atomic load/store support in LICM. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137648 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:52:09 +00:00
Owen Anderson
c537f3be0c Enforce the constraint that Rt must be even on LDRD/STRD instructions in ARM mode. Update tests to reflect this fact. 
Patch by James Molloy.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137647 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:51:32 +00:00
Eric Christopher
f000957aad Add an ipsccp test. Migrated from test/FrontendC++. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137646 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:50:36 +00:00
Owen Anderson
95d01b8898 Add a test for Thumb1 LDRSH decoding. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137645 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:15:43 +00:00
Owen Anderson
bd37b721c8 Add testcase for STRH. Patch by James Molloy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137644 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:12:03 +00:00
Owen Anderson
92be8ab6a4 Remove dead classes. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137643 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:11:11 +00:00
Bill Wendling
187b1924a4 The "landingpad" instruction will never be "trivially" dead. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137642 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:10:51 +00:00
Owen Anderson
5df7ef6cdb Fix incorrect encoding of UMAAL and friends. Patch by James Molloy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137641 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 20:08:25 +00:00
Devang Patel
5a1a67cd3f Simplify mapping to variable from its abstract variable info. 
When a variable is inlined multiple places, abstract variable keeps name, location, type etc.. info and all other concreate instances of the variable directly refers to abstract variable.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137637 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 19:01:20 +00:00
Owen Anderson
305e046e53 Fix decoding LDRSB and LDRSH in Thumb1 mode. Patch by James Molloy. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137636 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 19:00:06 +00:00
Owen Anderson
7a2e1770ea Fix problems decoding the to/from-lane NEON memory instructions, and add a comprehensive NEON decoding testcase. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137635 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 18:44:44 +00:00
Devang Patel
a098c506a2 Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137632 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 18:40:16 +00:00
Devang Patel
59bc4093d5 Refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137631 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 18:35:42 +00:00
Bill Wendling
06f20ebfcf Don't try to sink the landingpad instruction. It's immobile. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137629 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 18:23:40 +00:00
Bill Wendling
da005e7d20 The landingpad instruction isn't loop-invariant. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137628 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 18:22:49 +00:00
Bill Wendling
bc4fcbbc7b Mark the SCC as "might unwind" if we run into a 'resume' instruction. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137627 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 18:22:00 +00:00
Bill Wendling
1178fb4701 Skip the insertion iterator past the landingpad instruction if there. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137626 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 18:21:07 +00:00
Devang Patel
6f9d8ffe5e Refactor. Global variables are part of compile unit so let CompileUnit create new global variable. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137621 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 17:57:41 +00:00
Jim Grosbach
bb0752b040 Tidy up trailing whitespace. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137619 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 17:30:25 +00:00
Devang Patel
dbc64af76d Refactor. A subprogram is part of compile unit so let CompileUnit construct new subprogram. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137618 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 17:24:54 +00:00
Jim Grosbach
8757a4c6ab Update comment to reflect MC target machine refactor. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137615 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-15 16:52:24 +00:00
Bill Wendling
fe7a071a19 Add inlining for the new EH scheme. 
This builds off of the current scheme, but instead of llvm.eh.exception and
llvm.eh.selector, it uses the landingpad instruction. And instead of
llvm.eh.resume, it uses the resume instruction.

Because of the invariants in the landing pad instruction, a lot of code that's
currently needed to find the appropriate intrinsic calls for an invoke
instruction won't be needed once we go to the new EH scheme. The "FIXME"s tell
us what to remove after we switch.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137576 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-14 08:01:36 +00:00
Nick Lewycky
28b84ff4ce This transform is not safe. Thanks to Eli for pointing that out! 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137575 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-14 04:51:49 +00:00
Nick Lewycky
7f0170c197 Don't attempt to add 'nsw' when intermediate instructions had no such guarantee. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137572 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-14 03:41:33 +00:00
Nick Lewycky
daf27ea899 Teach instcombine to preserve the nsw bit by doing an after-the-fact analysis 
when combining add and sub instructions. Patch by Pranav Bhandarkar!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137570 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-14 01:45:19 +00:00
NAKAMURA Takumi
2ed7464c09 EE: Provide the symbol "lseek64" explicitly with <unistd.h> on Linux glibc. 
With libcxx, it seems <unistd.h> would not be provided. Thanks to Ryuta Suzuki.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137567 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-14 00:34:04 +00:00
Nadav Rotem
5cbba01671 Fix PR 10635. When generating integer constants, the constant element type may 
be illegal, even if the requested vector type is legal. Testcase is one of the
disabled ARM tests in the vector-select patch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137562 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-13 20:31:45 +00:00
Eli Friedman
9a0f436da2 Fix test. 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137556 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-13 17:06:34 +00:00
Bob Wilson
7dcd04abe0 Expand VMOVQQQQ pseudo instructions. 
Apparently we never added code to expand these pseudo instructions, and in
over a year, no one has noticed.  Our register allocator must be awesome!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137551 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-13 05:14:55 +00:00
Nick Lewycky
53b2b73643 Remove the last improper use of getGlobalContext() from LLVM. 
This caused a race condition where a thread calls ~LLVMContextImpl which calls
Module::dropAllReferences which calls begin() on an empty ilist that would
create the sentinel, which racily accesses the global context.

This can not be fixed by locking inside createSentinel because the lock would
need to be shared with all users of the global context, including those that
reside outside LLVM's own code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137546 91177308-0d34-0410-b5e6-96231b3b80d8
 2011-08-13 01:04:44 +00:00