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153 Commits

Author SHA1 Message Date
Daniel Dunbar 7d6781b0fe Tabs -> spaces, and remove trailing whitespace. 
llvm-svn: 82355
 2009-09-20 02:20:51 +00:00
Devang Patel af206b8c88 Write and read metadata attachments. 
llvm-svn: 82259
 2009-09-18 19:26:43 +00:00
Gabor Greif 2d60e1ec0c back out my recent commit (r80858), it seems to break self-hosting buildbot's stage 2 configure 
llvm-svn: 80871
 2009-09-03 02:02:59 +00:00
Gabor Greif 14dfba6d66 re-commit r66920 (which has been backed out in r66953) I may have more luck this time. I'll back out if needed... 
llvm-svn: 80858
 2009-09-03 00:18:58 +00:00
Chris Lattner 6973395cc7 eliminate the std::ostream forms of the bitcode writing APIs. 
llvm-svn: 79840
 2009-08-23 07:49:08 +00:00
Dan Gohman 16f5415f5b Rename hasNoUnsignedOverflow and hasNoSignedOverflow to hasNoUnsignedWrap 
and hasNoSignedWrap, for consistency with the nuw and nsw properties.

llvm-svn: 79539
 2009-08-20 17:11:38 +00:00
Owen Anderson 55f1c09e31 Push LLVMContexts through the IntegerType APIs. 
llvm-svn: 78948
 2009-08-13 21:58:54 +00:00
Chris Lattner 694285ca6d revert r78048, it isn't worth using assertingvh here. 
llvm-svn: 78119
 2009-08-04 23:07:12 +00:00
Devang Patel 05eb617da5 Use separate ValueList for metadata. 
This fixes PR4666.

llvm-svn: 78056
 2009-08-04 06:00:18 +00:00
Devang Patel 8cca7b4abe Revert recent bitcode writer patches. 
llvm-svn: 78053
 2009-08-04 05:01:35 +00:00
Chris Lattner 59c08e76ca switch ValueMap to using AssertingVH. This is an old patch I had laying 
around in a tree I forgot about.

llvm-svn: 78048
 2009-08-04 04:31:02 +00:00
Devang Patel 4314b1dc01 Remove dead code. 
llvm-svn: 78035
 2009-08-04 02:54:15 +00:00
Devang Patel b299790411 Fix MDString Abbrev setup. 
llvm-svn: 78034
 2009-08-04 02:36:39 +00:00
Devang Patel 8abe6bc291 Constants and Metadata share ValueList. This means they must be emitted interleaved (using appropriate BLOCK_IDs) otherwise ValuePtrs index gets out of sync. 
llvm-svn: 78033
 2009-08-04 02:26:56 +00:00
Devang Patel 16e5124a82 Do not use abbrev while writing NamedMDNode name. 
llvm-svn: 77637
 2009-07-30 23:06:35 +00:00
Devang Patel 27c87fff7f Read and write NamedMDNode. 
llvm-svn: 77517
 2009-07-29 22:34:41 +00:00
Devang Patel 727a582c59 Refactor. Fix indentation. 
llvm-svn: 77482
 2009-07-29 18:15:02 +00:00
Devang Patel a4f43fb5dd Rename MDNode.h header. It defines MDnode and other metadata classes. 
New name is Metadata.h.

llvm-svn: 77370
 2009-07-28 21:49:47 +00:00
Dan Gohman 1639c3905e Add a new keyword 'inbounds' for use with getelementptr. See the 
LangRef.html changes for details.

llvm-svn: 77259
 2009-07-27 21:53:46 +00:00
Devang Patel 6292003492 MDString 
- Rename member function size(). New name is length().
- Store string beginning and length. Earlier it used to store string end.

llvm-svn: 76841
 2009-07-23 02:00:51 +00:00
Devang Patel e059ba6ed2 Derive MDNode from MetadataBase instead of Constant. Emit MDNodes into METADATA_BLOCK in bitcode file. 
llvm-svn: 76834
 2009-07-23 01:07:34 +00:00
Devang Patel 096ecf1bed Fix indentation. 
llvm-svn: 76787
 2009-07-22 21:10:50 +00:00
Devang Patel 7428d8acec Introduce MetadataBase, a base class for MDString and MDNode. 
Derive MDString directly from MetadataBase. 
Introduce new bitcode block to hold metadata.

llvm-svn: 76759
 2009-07-22 17:43:22 +00:00
Dan Gohman 0ebd69614c Assembly and Bitcode support for unsigned/signed overflow flags and 
exact sdiv flags.

llvm-svn: 76475
 2009-07-20 21:19:07 +00:00
Bill Wendling a3c6f6bffa Add plumbing for the `linker_private' linkage type. This type is meant for 
"private" symbols which the assember shouldn't strip, but which the linker may
remove after evaluation. This is mostly useful for Objective-C metadata.

This is plumbing, so we don't have a use of it yet. More to come, etc.

llvm-svn: 76385
 2009-07-20 01:03:30 +00:00
Torok Edwin fbcc663cbf llvm_unreachable->llvm_unreachable(0), LLVM_UNREACHABLE->llvm_unreachable. 
This adds location info for all llvm_unreachable calls (which is a macro now) in
!NDEBUG builds.
In NDEBUG builds location info and the message is off (it only prints
"UREACHABLE executed").

llvm-svn: 75640
 2009-07-14 16:55:14 +00:00
Torok Edwin 56d0659726 assert(0) -> LLVM_UNREACHABLE. 
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.

llvm-svn: 75379
 2009-07-11 20:10:48 +00:00
Nick Lewycky a21d3daadc Remove the vicmp and vfcmp instructions. Because we never had a release with 
these instructions, no autoupgrade or backwards compatibility support is
provided.

llvm-svn: 74991
 2009-07-08 03:04:38 +00:00
Nick Lewycky a879819918 Don't remove aggregate-typed module level constants before encoding functions 
since functions may contain aggregate constants too.

llvm-svn: 73220
 2009-06-12 05:20:12 +00:00
Dan Gohman a5b9645c4b Split the Add, Sub, and Mul instruction opcodes into separate 
integer and floating-point opcodes, introducing
FAdd, FSub, and FMul.

For now, the AsmParser, BitcodeReader, and IRBuilder all preserve
backwards compatability, and the Core LLVM APIs preserve backwards
compatibility for IR producers. Most front-ends won't need to change
immediately.

This implements the first step of the plan outlined here:
http://nondot.org/sabre/LLVMNotes/IntegerOverflow.txt

llvm-svn: 72897
 2009-06-04 22:49:04 +00:00
Nick Lewycky adbc284666 Give embedded metadata its own type instead of relying on EmptyStructTy. 
llvm-svn: 72610
 2009-05-30 05:06:04 +00:00
Nick Lewycky b8f9b7a965 Make MDNode use CallbackVH. Also change MDNode to store Value* instead of 
Constant* in preperation of a future change to support holding non-Constants
in an MDNode.

llvm-svn: 71407
 2009-05-10 20:57:05 +00:00
Chris Lattner 184f1be4a8 Add a new "available_externally" linkage type. This is intended 
to support C99 inline, GNU extern inline, etc.  Related bugzilla's
include PR3517, PR3100, & PR2933.  Nothing uses this yet, but it
appears to work.

llvm-svn: 68940
 2009-04-13 05:44:34 +00:00
Nick Lewycky 49f891958f Add support for embedded metadata to LLVM. This introduces two new types of 
Constant, MDString and MDNode which can only be used by globals with a name
that starts with "llvm." or as arguments to a function with the same naming
restriction.

llvm-svn: 68420
 2009-04-04 07:22:01 +00:00
Dale Johannesen 93eefa0043 Fix internal representation of fp80 to be the 
same as a normal i80 {low64, high16} rather
than its own {high64, low16}.  A depressing number
of places know about this; I think I got them all.
Bitcode readers and writers convert back to the old
form to avoid breaking compatibility.

llvm-svn: 67562
 2009-03-23 21:16:53 +00:00
Bill Wendling 4bb96e9a50 Revert r66920. It was causing failures in the self-hosting buildbot (in release 
mode).

Running /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/dg.exp ...
FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/crash-narrowfunctiontest.ll
Failed with signal(SIGBUS) at line 1
while running: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/crash-narrowfunctiontest.ll -bugpoint-crashcalls -silence-passes > /dev/null
0   bugpoint          0x0035dd25 llvm::sys::SetInterruptFunction(void (*)()) + 85
1   bugpoint          0x0035e382 llvm::sys::RemoveFileOnSignal(llvm::sys::Path const&, std::string*) + 706
2   libSystem.B.dylib 0x92f112bb _sigtramp + 43
3   libSystem.B.dylib 0xffffffff _sigtramp + 1829694831
4   bugpoint          0x00021d1c main + 92
5   bugpoint          0x00002106 start + 54
6   bugpoint          0x00000004 start + 18446744073709543220
Stack dump:
0.    Program arguments: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/crash-narrowfunctiontest.ll -bugpoint-crashcalls -silence-passes 

FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/misopt-basictest.ll
Failed with signal(SIGBUS) at line 1
while running: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/misopt-basictest.ll -dce -bugpoint-deletecalls -simplifycfg -silence-passes
0   bugpoint          0x0035dd25 llvm::sys::SetInterruptFunction(void (*)()) + 85
1   bugpoint          0x0035e382 llvm::sys::RemoveFileOnSignal(llvm::sys::Path const&, std::string*) + 706
2   libSystem.B.dylib 0x92f112bb _sigtramp + 43
3   libSystem.B.dylib 0xffffffff _sigtramp + 1829694831
4   bugpoint          0x00021d1c main + 92
5   bugpoint          0x00002106 start + 54
6   bugpoint          0x00000006 start + 18446744073709543222
Stack dump:
0.    Program arguments: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/misopt-basictest.ll -dce -bugpoint-deletecalls -simplifycfg -silence-passes 

FAIL: /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/remove_arguments_test.ll
Failed with signal(SIGBUS) at line 1
while running: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/remove_arguments_test.ll  -bugpoint-crashcalls -silence-passes
0   bugpoint          0x0035dd25 llvm::sys::SetInterruptFunction(void (*)()) + 85
1   bugpoint          0x0035e382 llvm::sys::RemoveFileOnSignal(llvm::sys::Path const&, std::string*) + 706
2   libSystem.B.dylib 0x92f112bb _sigtramp + 43
3   libSystem.B.dylib 0xffffffff _sigtramp + 1829694831
4   bugpoint          0x00021d1c main + 92
5   bugpoint          0x00002106 start + 54
Stack dump:
0.    Program arguments: bugpoint /Volumes/Sandbox/Buildbot/llvm/full-llvm/build/llvmCore/test/BugPoint/remove_arguments_test.ll -bugpoint-crashcalls -silence-passes 

--- Reverse-merging (from foreign repository) r66920 into '.':
U    include/llvm/Support/CallSite.h
U    include/llvm/Instructions.h
U    lib/Analysis/IPA/GlobalsModRef.cpp
U    lib/Analysis/IPA/Andersens.cpp
U    lib/Bitcode/Writer/BitcodeWriter.cpp
U    lib/VMCore/Instructions.cpp
U    lib/VMCore/Verifier.cpp
U    lib/VMCore/AsmWriter.cpp
U    lib/Transforms/Utils/LowerInvoke.cpp
U    lib/Transforms/Scalar/SimplifyCFGPass.cpp
U    lib/Transforms/IPO/PruneEH.cpp
U    lib/Transforms/IPO/DeadArgumentElimination.cpp

llvm-svn: 66953
 2009-03-13 21:15:59 +00:00
Gabor Greif 258232fb80 Second installment of "BasicBlock operands to the back" 
changes.

For InvokeInst now all arguments begin at op_begin().
The Callee, Cont and Fail are now faster to get by
access relative to op_end().

This patch introduces some temporary uglyness in CallSite.
Next I'll bring CallInst up to a similar scheme and then
the uglyness will magically vanish.

This patch also exposes all the reliance of the libraries
on InvokeInst's operand ordering. I am thinking of taking
care of that too.

llvm-svn: 66920
 2009-03-13 18:27:29 +00:00
Duncan Sands 4581bebf2a It makes no sense to have a ODR version of common 
linkage, so remove it.

llvm-svn: 66690
 2009-03-11 20:14:15 +00:00
Duncan Sands e2881053c9 Remove the one-definition-rule version of extern_weak 
linkage: this linkage type only applies to declarations,
but ODR is only relevant to globals with definitions.

llvm-svn: 66650
 2009-03-11 08:08:06 +00:00
Duncan Sands 12da8ce3d2 Introduce new linkage types linkonce_odr, weak_odr, common_odr 
and extern_weak_odr.  These are the same as the non-odr versions,
except that they indicate that the global will only be overridden
by an *equivalent* global.  In C, a function with weak linkage can
be overridden by a function which behaves completely differently.
This means that IP passes have to skip weak functions, since any
deductions made from the function definition might be wrong, since
the definition could be replaced by something completely different
at link time.   This is not allowed in C++, thanks to the ODR
(One-Definition-Rule): if a function is replaced by another at
link-time, then the new function must be the same as the original
function.  If a language knows that a function or other global can
only be overridden by an equivalent global, it can give it the
weak_odr linkage type, and the optimizers will understand that it
is alright to make deductions based on the function body.  The
code generators on the other hand map weak and weak_odr linkage
to the same thing.

llvm-svn: 66339
 2009-03-07 15:45:40 +00:00
Nate Begeman 94aa38d568 Add suppport for ConstantExprs of shufflevectors whose result type is not equal to the 
type of the vectors being shuffled.

llvm-svn: 64401
 2009-02-12 21:28:33 +00:00
Gabor Greif 1933b00c12 use precise getters 
llvm-svn: 63403
 2009-01-30 18:27:21 +00:00
Gabor Greif 4b79e47f94 use specialized accessor instead of plain getOperand(0) 
llvm-svn: 62330
 2009-01-16 18:40:27 +00:00
Rafael Espindola 6de96a1b5d Add the private linkage. 
llvm-svn: 62279
 2009-01-15 20:18:42 +00:00
Gabor Greif 6aa83bd459 revert to functionally equivalent formulation 
llvm-svn: 61895
 2009-01-07 23:07:22 +00:00
Gabor Greif 6ecd6f43b0 use the obvious getters 
llvm-svn: 61893
 2009-01-07 22:39:29 +00:00
Chris Lattner af4c0bf44f Add support for writing LLVM IR to a specified BitstreamWriter. 
Patch by Lukasz Janyst!

llvm-svn: 61251
 2008-12-19 18:37:59 +00:00
Nick Lewycky 8d69f48833 Commit missed files from nocapture change. 
llvm-svn: 61240
 2008-12-19 09:38:31 +00:00
Bill Wendling a397baea88 Temporarily revert r61019, r61030, and r61040. These were breaking LLVM Release 
builds.

llvm-svn: 61094
 2008-12-16 19:06:48 +00:00
Nick Lewycky 8d2ea18346 It turns out that "align 1" and unaligned are different. Add a bias to the 
alignment attribute such that 0 means unaligned.

This will probably require a rebuild of llvm-gcc because of the change to
Attributes.h. If you see many test failures on "make check", please rebuild
your llvm-gcc.

llvm-svn: 61030
 2008-12-15 07:29:55 +00:00