Commit Graph

412 Commits

Author SHA1 Message Date
Dan Gohman 00f4747bad Fix the bitcode reader to deserialize nuw/nsw/etc. bits properly in the case
of a forward-reference, which doesn't use an "abbrev" encoding.

llvm-svn: 94454
2010-01-25 21:55:39 +00:00
Chris Lattner 823aed16f9 make -fno-rtti the default unless a directory builds with REQUIRES_RTTI.
llvm-svn: 94378
2010-01-24 20:43:08 +00:00
Benjamin Kramer 14bb114c92 Respect operator precedence (and silence a gcc 4.3 warning).
llvm-svn: 94304
2010-01-23 09:54:23 +00:00
Devang Patel ac277eb930 Remove MetadataBase class because it is not adding significant value.
llvm-svn: 94243
2010-01-22 22:52:10 +00:00
Chris Lattner 7ba0661f27 Stop building RTTI information for *most* llvm libraries. Notable
missing ones are libsupport, libsystem and libvmcore.  libvmcore is
currently blocked on bugpoint, which uses EH.  Once it stops using
EH, we can switch it off.

This #if 0's out 3 unit tests, because gtest requires RTTI information.
Suggestions welcome on how to fix this.

llvm-svn: 94164
2010-01-22 06:49:46 +00:00
Nick Lewycky 9e26c1cc0c Fix a crasher trying to fold each element in a comparison between two vectors
if one of the vectors didn't have elements (such as undef). Fixes PR 6096.

Fix an issue in the constant folder where fcmp (<2 x %ty>, <2 x %ty>) would
have <2 x i1> type if constant folding was successful and i1 type if it wasn't.
This exposed a related issue in the bitcode reader.

llvm-svn: 94069
2010-01-21 07:03:21 +00:00
Victor Hernandez 572218b53b Simplify code that chooses when to enumerate function-local metadata operands
llvm-svn: 93446
2010-01-14 19:54:11 +00:00
Victor Hernandez 36aee30dfb Avoid modifying ValueEnumerator's MD ValueList by choosing which function-local MD to write based on the function currently being written
llvm-svn: 93441
2010-01-14 19:38:44 +00:00
Victor Hernandez 6c730dea6f In WriteFunction(), write function-local metadata before we write the instructions, so instruction's references to metadata are fully resolved by the time they get written.
llvm-svn: 93403
2010-01-14 01:50:08 +00:00
Victor Hernandez b816154268 Clean up unnecessary return and brackets
llvm-svn: 93401
2010-01-14 01:46:02 +00:00
Victor Hernandez 9c203e362a Fix comment typo
llvm-svn: 93355
2010-01-13 21:25:04 +00:00
Victor Hernandez b00a6beef6 Write function-local metadata as a metadata subblock of a funciton block
llvm-svn: 93339
2010-01-13 19:37:33 +00:00
Victor Hernandez cad7328d8c Enumerate function-local metadata (and its types and operands) only during function-incorporation, global metadata continues to be enumerated during creation of ValueEnumerator
llvm-svn: 93338
2010-01-13 19:36:16 +00:00
Victor Hernandez 108d3acb43 Parse function-local metadata inside function blocks
llvm-svn: 93337
2010-01-13 19:34:08 +00:00
Victor Hernandez 013a91ddfe Revert 93270 pending investigation of how stray non-constant values end up in ValueEnumerator's ValueList during WriteConstants()
llvm-svn: 93289
2010-01-13 03:18:30 +00:00
Victor Hernandez fc4aefb129 Make WriteConstants() more robust against stray values in ValueEnumerator's ValueList
llvm-svn: 93270
2010-01-12 23:37:59 +00:00
Devang Patel 8992323bb9 s/NextValueNo/NextMDValueNo while processing metadata.
llvm-svn: 93165
2010-01-11 18:52:33 +00:00
Victor Hernandez b8fd152d94 Compute isFunctionLocal in MDNode ctor or via argument in new function getWhenValsUnresolved().
Document PFS argument to ParseValID() and ConvertGlobalOrMetadataValIDToValue().

llvm-svn: 93108
2010-01-10 07:14:18 +00:00
Chris Lattner 25963c6113 "In order to ease automatic bindings generation, it would be helpful if boolean values were distinguishable from integers. The attached patch introduces "typedef int LLVMBool;", and uses LLVMBool instead of int throughout the C API, wherever a boolean value is called for."
Patch by James Y Knight!

llvm-svn: 93079
2010-01-09 22:27:07 +00:00
Chris Lattner 003143c582 clean up this code, add a fixme.
llvm-svn: 93042
2010-01-09 02:02:37 +00:00
Devang Patel 44c06e1966 NamedMDNode is never used so there is no need to enumerate it here.
llvm-svn: 93039
2010-01-09 01:24:03 +00:00
Devang Patel 330cde488e NamedMDNode element is either null or MDNode. Otherwise this is a malformed NamedMDNode record.
llvm-svn: 93037
2010-01-09 01:02:22 +00:00
Devang Patel 99ff5a864b Derive NamedMDNode from Value.
llvm-svn: 93032
2010-01-09 00:30:14 +00:00
Devang Patel fcfee0ff35 Use separate namespace for named metadata.
llvm-svn: 92931
2010-01-07 19:39:36 +00:00
Devang Patel 6edcd3994c Allow null to be an element of NamedMDNode. e.g. !llvm.stuff = !{!0, !1, null}
llvm-svn: 92783
2010-01-05 21:47:32 +00:00
Devang Patel e307348325 NamedMDNode is a collection MDNodes.
llvm-svn: 92761
2010-01-05 20:41:31 +00:00
Benjamin Kramer ccce8bae14 Avoid going through the LLVMContext for type equality where it's safe to dereference the type pointer.
llvm-svn: 92726
2010-01-05 13:12:22 +00:00
Ted Kremenek 2fdca4b720 Remove derelict serialization code.
llvm-svn: 92374
2009-12-31 23:40:17 +00:00
Chris Lattner 9b493028df rename "elements" of metadata to "operands". "Elements" are
things that occur in types.  "operands" are things that occur
in values.

llvm-svn: 92322
2009-12-31 01:22:29 +00:00
Chris Lattner 8dace893fa tidy
llvm-svn: 92320
2009-12-31 00:51:46 +00:00
Chris Lattner a0566979b7 Final step in the metadata API restructuring: move the
getMDKindID/getMDKindNames methods to LLVMContext (and add
convenience methods to Module), eliminating MetadataContext.
Move the state that it maintains out to LLVMContext.

llvm-svn: 92259
2009-12-29 09:01:33 +00:00
Chris Lattner 2f2aa2b067 This is a major cleanup of the instruction metadata interfaces that
I asked Devang to do back on Sep 27.  Instead of going through the
MetadataContext class with methods like getMD() and getMDs(), just
ask the instruction directly for its metadata with getMetadata()
and getAllMetadata().

This includes a variety of other fixes and improvements: previously
all Value*'s were bloated because the HasMetadata bit was thrown into
value, adding a 9th bit to a byte.  Now this is properly sunk down to
the Instruction class (the only place where it makes sense) and it
will be folded away somewhere soon.

This also fixes some confusion in getMDs and its clients about 
whether the returned list is indexed by the MDID or densely packed.
This is now returned sorted and densely packed and the comments make
this clear.

This introduces a number of fixme's which I'll follow up on.

llvm-svn: 92235
2009-12-28 23:41:32 +00:00
Chris Lattner 7093946ab1 rename getMDKind -> getMDKindID, make it autoinsert if an MD Kind
doesn't exist already, eliminate registerMDKind.  Tidy up a bunch
of random stuff.

llvm-svn: 92225
2009-12-28 20:45:51 +00:00
Chris Lattner c9558df1f0 rename getHandlerNames to getMDKindNames, simplify its interface
and simplify all the clients that use it.

llvm-svn: 92224
2009-12-28 20:10:43 +00:00
Chris Lattner 53bb5e4ae0 change the strange MetadataContext::getMDs function to expose less
irrelevant internal implementation details to clients.

llvm-svn: 92210
2009-12-28 08:14:54 +00:00
Chris Lattner f1ef03ad4d eliminate the elem_* iterator stuff from NamedMDNode.
llvm-svn: 92208
2009-12-28 07:57:01 +00:00
David Greene 0b65bd8615 Change errs() to dbgs().
llvm-svn: 92092
2009-12-24 00:06:26 +00:00
David Greene f3808b41ea Change errs() to dbgs().
llvm-svn: 92091
2009-12-23 23:47:53 +00:00
Chris Lattner 45d040bd85 Remove isPod() from DenseMapInfo, splitting it out to its own
isPodLike type trait.  This is a generally useful type trait for
more than just DenseMap, and we really care about whether something
acts like a pod, not whether it really is a pod.

llvm-svn: 91421
2009-12-15 07:26:43 +00:00
Victor Hernandez f3db915294 Re-commit r86077 now that r86290 fixes the 179.art and 175.vpr ARM regressions.
Here is the original commit message:

This commit updates malloc optimizations to operate on malloc calls that have constant int size arguments.

Update CreateMalloc so that its callers specify the size to allocate:
MallocInst-autoupgrade users use non-TargetData-computed allocation sizes.
Optimization uses use TargetData to compute the allocation size.

Now that malloc calls can have constant sizes, update isArrayMallocHelper() to use TargetData to determine the size of the malloced type and the size of malloced arrays.
Extend getMallocType() to support malloc calls that have non-bitcast uses.

Update OptimizeGlobalAddressOfMalloc() to optimize malloc calls that have non-bitcast uses.  The bitcast use of a malloc call has to be treated specially here because the uses of the bitcast need to be replaced and the bitcast needs to be erased (just like the malloc call) for OptimizeGlobalAddressOfMalloc() to work correctly.

Update PerformHeapAllocSRoA() to optimize malloc calls that have non-bitcast uses.  The bitcast use of the malloc is not handled specially here because ReplaceUsesOfMallocWithGlobal replaces through the bitcast use.

Update OptimizeOnceStoredGlobal() to not care about the malloc calls' bitcast use.

Update all globalopt malloc tests to not rely on autoupgraded-MallocInsts, but instead use explicit malloc calls with correct allocation sizes.

llvm-svn: 86311
2009-11-07 00:16:28 +00:00
Victor Hernandez b9f5899779 Revert r86077 because it caused crashes in 179.art and 175.vpr on ARM
llvm-svn: 86213
2009-11-06 01:33:24 +00:00
Victor Hernandez 492ed30a32 Update CreateMalloc so that its callers specify the size to allocate:
MallocInst-autoupgrade users use non-TargetData-computed allocation sizes.
Optimization uses use TargetData to compute the allocation size.

Now that malloc calls can have constant sizes, update isArrayMallocHelper() to use TargetData to determine the size of the malloced type and the size of malloced arrays.
Extend getMallocType() to support malloc calls that have non-bitcast uses.

Update OptimizeGlobalAddressOfMalloc() to optimize malloc calls that have non-bitcast uses.  The bitcast use of a malloc call has to be treated specially here because the uses of the bitcast need to be replaced and the bitcast needs to be erased (just like the malloc call) for OptimizeGlobalAddressOfMalloc() to work correctly.

Update PerformHeapAllocSRoA() to optimize malloc calls that have non-bitcast uses.  The bitcast use of the malloc is not handled specially here because ReplaceUsesOfMallocWithGlobal replaces through the bitcast use.

Update OptimizeOnceStoredGlobal() to not care about the malloc calls' bitcast use.

Update all globalopt malloc tests to not rely on autoupgraded-MallocInsts, but instead use explicit malloc calls with correct allocation sizes.

llvm-svn: 86077
2009-11-05 00:03:03 +00:00
Chris Lattner aa99c94e2a Revert 85678/85680. The decision is to stay with the current form of
indirectbr, thus we don't need "blockaddr(@func, null)".  Eliminate it
for simplicity.

llvm-svn: 85699
2009-11-01 01:27:45 +00:00
Chris Lattner b2c0e243c5 Make blockaddress(@func, null) be valid, and make 'deleting a basic
block with a blockaddress still referring to it' replace the invalid 
blockaddress with a new blockaddress(@func, null) instead of a 
inttoptr(1).

This changes the bitcode encoding format, and still needs codegen 
support (this should produce a non-zero value, referring to the entry
block of the function would also be quite reasonable).

llvm-svn: 85678
2009-10-31 20:08:37 +00:00
Chris Lattner 5956dc87d3 add bitcode reader support for blockaddress. We can now fully
round trip blockaddress through .ll and .bc files, so add a testcase.

There are still a bunch of places in the optimizer and other places
that need to be updated to work with these constructs, but at least
the basics are in now.

llvm-svn: 85377
2009-10-28 05:53:48 +00:00
Chris Lattner f540d74b58 bitcode writer support for blockaddress.
llvm-svn: 85376
2009-10-28 05:24:40 +00:00
Chris Lattner a91a563530 Previously, all operands to Constant were themselves constant.
In the new world order, BlockAddress can have a BasicBlock operand.
This doesn't permute much, because if you have a ConstantExpr (or
anything more specific than Constant) we still know the operand has
to be a Constant.

llvm-svn: 85375
2009-10-28 05:14:34 +00:00
Chris Lattner d04cb6d0fa rename indbr -> indirectbr to appease the residents of #llvm.
llvm-svn: 85351
2009-10-28 00:19:10 +00:00
Chris Lattner 3ed871fe62 add enough support for indirect branch for the feature test to pass
(assembler,asmprinter, bc reader+writer) and document it.  Codegen
currently aborts on it.

llvm-svn: 85274
2009-10-27 19:13:16 +00:00
Chris Lattner 26a7ae4fba Type.h doesn't need to #include LLVMContext.h
llvm-svn: 85254
2009-10-27 17:08:31 +00:00