Commit Graph

1096 Commits

Author SHA1 Message Date
Hans Wennborg
ce718ff9f4 Extend the IL for selecting TLS models (PR9788)
This allows the user/front-end to specify a model that is better
than what LLVM would choose by default. For example, a variable
might be declared as

  @x = thread_local(initialexec) global i32 42

if it will not be used in a shared library that is dlopen'ed.

If the specified model isn't supported by the target, or if LLVM can
make a better choice, a different model may be used.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159077 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-23 11:37:03 +00:00
Chris Lattner
d509d0b532 switch AttrListPtr::get to take an ArrayRef, simplifying a lot of clients.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157556 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-28 01:47:44 +00:00
David Blaikie
8d2a004822 Silence Clang's -Wlogical-op-parentheses warning.
I'm not sure it's really worth expressing this as a range rather than 3 specific equalities, but it doesn't seem fundamentally wrong either.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157398 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-24 17:11:00 +00:00
Tobias Grosser
057beb8d4f Add half support to LLVM (for OpenCL)
Submitted by: Anton Lokhmotov  <Anton.Lokhmotov@arm.com>

Approved by: o Anton Korobeynikov
             o Micah Villmow
             o David Neto

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157393 91177308-0d34-0410-b5e6-96231b3b80d8
2012-05-24 15:59:06 +00:00
Craig Topper
858143816d Convert assert(0) to llvm_unreachable
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149967 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-07 05:05:23 +00:00
Bill Wendling
0f96817d01 'unwind' is a keyword, not an instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149898 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-06 21:02:43 +00:00
Bill Wendling
e185fada9b [unwind removal] Remove the 'unwind' instruction parsing bits.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149897 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-06 20:50:27 +00:00
Chris Lattner
18c7f80b3e reapply the patches reverted in r149470 that reenable ConstantDataArray,
but with a critical fix to the SelectionDAG code that optimizes copies
from strings into immediate stores: the previous code was stopping reading
string data at the first nul.  Address this by adding a new argument to
llvm::getConstantStringInfo, preserving the behavior before the patch.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149800 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-05 02:29:43 +00:00
Pete Cooper
af39368988 Typo
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149562 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01 23:43:12 +00:00
Argyrios Kyrtzidis
91766fe066 Revert Chris' commits up to r149348 that started causing VMCoreTests unit test to fail.
These are:

r149348
r149351
r149352
r149354
r149356
r149357
r149361
r149362
r149364
r149365

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149470 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-01 04:51:17 +00:00
Chris Lattner
6a89228fac eliminate the "string" form of ConstantArray::get, using
ConstantDataArray::getString instead.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149365 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-31 06:18:43 +00:00
David Blaikie
4d6ccb5f68 More dead code removal (using -Wunreachable-code)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-20 21:51:11 +00:00
Kostya Serebryany
164b86b439 Extend Attributes to 64 bits
Problem: LLVM needs more function attributes than currently available (32 bits).
One such proposed attribute is "address_safety", which shows that a function is being checked for address safety (by AddressSanitizer, SAFECode, etc).

Solution:
- extend the Attributes from 32 bits to 64-bits
- wrap the object into a class so that unsigned is never erroneously used instead
- change "unsigned" to "Attributes" throughout the code, including one place in clang.
- the class has no "operator uint64 ()", but it has "uint64_t Raw() " to support packing/unpacking.
- the class has "safe operator bool()" to support the common idiom:  if (Attributes attr = getAttrs()) useAttrs(attr);
- The CTOR from uint64_t is marked explicit, so I had to add a few explicit CTOR calls
- Add the new attribute "address_safety". Doing it in the same commit to check that attributes beyond first 32 bits actually work.
- Some of the functions from the Attribute namespace are worth moving inside the class, but I'd prefer to have it as a separate commit.

Tested:
"make check" on Linux (32-bit and 64-bit) and Mac (10.6)
built/run spec CPU 2006 on Linux with clang -O2.


This change will break clang build in lib/CodeGen/CGCall.cpp.
The following patch will fix it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148553 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-20 17:56:17 +00:00
Chandler Carruth
732f05c41f Add 'llvm_unreachable' to passify GCC's understanding of the constraints
of several newly un-defaulted switches. This also helps optimizers
(including LLVM's) recognize that every case is covered, and we should
assume as much.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147861 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10 18:08:01 +00:00
David Blaikie
2bd335470f Remove unnecessary default cases in switches that cover all enum values.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147855 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-10 16:47:17 +00:00
Manuel Klimek
9a31fb0c38 Removes unused field TheError from LLLexer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147049 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-21 10:02:45 +00:00
Dan Gohman
ce16339930 The powers that be have decided that LLVM IR should now support 16-bit
"half precision" floating-point with a first-class type.

This patch adds basic IR support (but not codegen support).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146786 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-17 00:04:22 +00:00
Daniel Dunbar
4ab406d7fc LLVMBuild: Remove trailing newline, which irked me.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146409 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-12 19:48:00 +00:00
Benjamin Kramer
85dadecbd6 Push StringRefs through the metadata interface.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145934 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-06 11:50:26 +00:00
Nadav Rotem
1608769abe Add support for vectors of pointers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145801 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-05 06:29:09 +00:00
Daniel Dunbar
d782bae970 build/CMake: Finish removal of add_llvm_library_dependencies.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145420 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-29 19:25:30 +00:00
Chris Lattner
fbe910e7f4 remove asmparsing and documentation support for "volatile load", which was only produced by LLVM 2.9 and earlier. LLVM 3.0 and later prefers "load volatile".
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145172 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27 06:56:53 +00:00
Chris Lattner
a7e6f74631 remove autoupgrade support for really old-style debug info intrinsics.
I think this is the last of autoupgrade that can be removed in 3.1.
Can the atomic upgrade stuff also go?


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145169 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27 06:18:33 +00:00
Chris Lattner
9d5f6ccd26 remove autoupgrade support for LLVM 2.9 exception stuff. Mainline supports
LLVM 3.0 and later.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145165 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27 05:56:16 +00:00
Daniel Dunbar
a3a2dfd4a2 build: Add initial cut at LLVMBuild.txt files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143634 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-03 18:53:17 +00:00
Benjamin Kramer
c45fe4c1dc LLLexer: Factor hex char parsing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143101 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-27 14:08:01 +00:00
Lang Hames
d8ffe5bb16 Backing out patch. Will refactor to remove the AsmParser dependency on Target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142323 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-18 00:23:49 +00:00
Lang Hames
5fa792e65a Re-applying the target data layout verification patch from r142288, plus appropriate CMake dependencies.
Thanks to Raphael Espindola for tracking down the CMake issues.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142306 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17 23:24:48 +00:00
Rafael Espindola
10820d9a97 142288 broke the build:
Linking CXX executable ../../bin/llvm-as
../../lib/libLLVMAsmParser.a(LLParser.cpp.o):/home/espindola/llvm/llvm/lib/AsmParser/LLParser.cpp:function llvm::LLParser::ParseTargetDefinition(): error: undefined reference to 'llvm::TargetData::parseSpecifier(llvm::StringRef, llvm::TargetData*)'
clang-3: error: linker command failed with exit code 1 (use -v to see invocation)

Revert "Validate target data layout strings."

This reverts commit 599d2d4c25.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142296 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17 22:37:51 +00:00
Lang Hames
599d2d4c25 Validate target data layout strings.
Invalid strings in asm files will result in parse errors. Invalid string literals passed to TargetData constructors will result in an assertion.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142288 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-17 22:05:34 +00:00
Chris Lattner
3f2d5f60b3 Make SMDiagnostic a little more sane. Instead of passing around note/warning/error as a
string, pass it around as an enum.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142107 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-16 05:43:57 +00:00
Rafael Espindola
b3c4e26dc5 Remove last references to hotpatch.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141057 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-04 03:08:43 +00:00
Rafael Espindola
25456ef74c Add the returns_twice attribute to LLVM.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141001 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-03 14:45:37 +00:00
Bill Wendling
df77a71790 Auto upgrade the old EH scheme to use the new one. This is on a trial basis. If
things to disasterously over night, this can be reverted.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138702 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-27 06:11:03 +00:00
Duncan Sands
10077194ec Remove unused variable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137933 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18 08:13:18 +00:00
Eli Friedman
f03bb260c9 Move "atomic" and "volatile" designations on instructions after the opcode
of the instruction.

Note that this change affects the existing non-atomic load and store
instructions; the parser now accepts both forms, and the change is noted
in the release notes.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137527 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12 22:50:01 +00:00
Bill Wendling
746c882538 Add checks for the landingpad instruction's clause values to make sure that
they're the correct type.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137511 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12 20:52:25 +00:00
Bill Wendling
e6e8826870 Initial commit of the 'landingpad' instruction.
This implements the 'landingpad' instruction. It's used to indicate that a basic
block is a landing pad. There are several restrictions on its use (see
LangRef.html for more detail). These restrictions allow the exception handling
code to gather the information it needs in a much more sane way.

This patch has the definition, implementation, C interface, parsing, and bitcode
support in it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137501 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12 20:24:12 +00:00
Chris Lattner
3ebb64946b switch to use the new api for structtypes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137480 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-12 18:06:37 +00:00
Eli Friedman
21006d40ac Representation of 'atomic load' and 'atomic store' in IR.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137170 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-09 23:02:53 +00:00
Benjamin Kramer
1488f76ed9 Remove unused variables.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136803 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-03 19:53:48 +00:00
Bill Wendling
dccc03b242 Add the 'resume' instruction for the new EH rewrite.
This adds the 'resume' instruction class, IR parsing, and bitcode reading and
writing. The 'resume' instruction resumes propagation of an existing (in-flight)
exception whose unwinding was interrupted with a 'landingpad' instruction (to be
added later).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136589 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-31 06:30:59 +00:00
Bill Wendling
10c6d12a9f Revert r136253, r136263, r136269, r136313, r136325, r136326, r136329, r136338,
r136339, r136341, r136369, r136387, r136392, r136396, r136429, r136430, r136444,
r136445, r136446, r136253 pending review.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136556 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-30 05:42:50 +00:00
Chandler Carruth
ac03e736c7 Rewrite the CMake build to use explicit dependencies between libraries,
specified in the same file that the library itself is created. This is
more idiomatic for CMake builds, and also allows us to correctly specify
dependencies that are missed due to bugs in the GenLibDeps perl script,
or change from compiler to compiler. On Linux, this returns CMake to
a place where it can relably rebuild several targets of LLVM.

I have tried not to change the dependencies from the ones in the current
auto-generated file. The only places I've really diverged are in places
where I was seeing link failures, and added a dependency. The goal of
this patch is not to start changing the dependencies, merely to move
them into the correct location, and an explicit form that we can control
and change when necessary.

This also removes a serialization point in the build because we don't
have to scan all the libraries before we begin building various tools.
We no longer have a step of the build that regenerates a file inside the
source tree. A few other associated cleanups fall out of this.

This isn't really finished yet though. After talking to dgregor he urged
switching to a single CMake macro to construct libraries with both
sources and dependencies in the arguments. Migrating from the two macros
to that style will be a follow-up patch.

Also, llvm-config is still generated with GenLibDeps.pl, which means it
still has slightly buggy dependencies. The internal CMake
'llvm-config-like' macro uses the correct explicitly specified
dependencies however. A future patch will switch llvm-config generation
(when using CMake) to be based on these deps as well.

This may well break Windows. I'm getting a machine set up now to dig
into any failures there. If anyone can chime in with problems they see
or ideas of how to solve them for Windows, much appreciated.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136433 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-29 00:14:25 +00:00
Eli Friedman
ff03048c13 LangRef and basic memory-representation/reading/writing for 'cmpxchg' and
'atomicrmw' instructions, which allow representing all the current atomic
rmw intrinsics.

The allowed operands for these instructions are heavily restricted at the
moment; we can probably loosen it a bit, but supporting general
first-class types (where it makes sense) might get a bit complicated,
given how SelectionDAG works.

As an initial cut, these operations do not support specifying an alignment,
but it would be possible to add if we think it's useful. Specifying an
alignment lower than the natural alignment would be essentially
impossible to support on anything other than x86, but specifying a greater
alignment would be possible.  I can't think of any useful optimizations which
would use that information, but maybe someone else has ideas.

Optimizer/codegen support coming soon.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136404 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28 21:48:00 +00:00
Bill Wendling
7379b66500 The personality function should be a Function* and not just a Value*.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136392 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28 21:14:13 +00:00
Bill Wendling
28d735230f Make sure that the landingpad instruction takes a Constant* as the clause's value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136326 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-28 02:27:12 +00:00
Bill Wendling
772fe17a6d Merge the contents from exception-handling-rewrite to the mainline.
This adds the new instructions 'landingpad' and 'resume'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136253 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-27 20:18:04 +00:00
Eli Friedman
47f3513dd5 Initial implementation of 'fence' instruction, the new C++0x-style replacement for llvm.memory.barrier.
This is just a LangRef entry and reading/writing/memory representation; optimizer+codegen support coming soon.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136009 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 23:16:38 +00:00
Jay Foad
a9203109f4 Convert GetElementPtrInst to use ArrayRef.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135904 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 09:48:08 +00:00