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Commit Graph

3538 Commits

Author SHA1 Message Date
Dan Gohman
b9a28557ea Add support for remapping metadata kind IDs when reading in a
bitcode file, so that two bitcode files where the same metadata kind
name happens to have been assigned a different ID can still be
linked together.

Eliminate the restriction that metadata kind IDs can't be 0.

Change MD_dbg from 1 to 0, because we can now, and because it's
less mysterious that way.

llvm-svn: 108939
2010-07-20 21:42:28 +00:00
Owen Anderson
2aafb91721 Move more functionality from Pass.cpp to PassRegistry.cpp. This global will go away eventually, but for now we still need it around.
llvm-svn: 108932
2010-07-20 21:22:24 +00:00
Dan Gohman
09c8c9c77c Remove setDbgMetadata and getDbgMetadata; their users have been
replaced with setDebugLoc and getDebugLoc.

llvm-svn: 108914
2010-07-20 20:18:21 +00:00
Owen Anderson
6db80f9d90 I just fail with SVN today.
llvm-svn: 108888
2010-07-20 19:23:55 +00:00
Owen Anderson
93cceb71a1 Convert the internal PassRegistrar class into a new, external PassRegistry class. No intended functionality change at this point.
llvm-svn: 108877
2010-07-20 18:39:06 +00:00
Owen Anderson
e5f3371961 Pull out r108755. After offline discussion with Chris, we're going to go a different direction with this.
llvm-svn: 108856
2010-07-20 16:55:05 +00:00
Owen Anderson
5f218b8612 Speculatively revert r108813, in an attempt to get the self-host buildbots working again. I don't see why this patch
would cause them to fail the way they are, but none of the other intervening patches seem likely either.

llvm-svn: 108818
2010-07-20 08:26:15 +00:00
Owen Anderson
cf625d0179 Reapply r108794, a fix for the failing test from last time.
llvm-svn: 108813
2010-07-20 06:52:42 +00:00
Daniel Dunbar
3280e3aebf Revert r108794, "Separate PassInfo into two classes: a constructor-free
superclass (StaticPassInfo) and a constructor-ful subclass (PassInfo).", it is
breaking teh everything.

llvm-svn: 108805
2010-07-20 03:06:07 +00:00
Owen Anderson
3502f9a91b Separate PassInfo into two classes: a constructor-free superclass (StaticPassInfo) and a constructor-ful subclass (PassInfo).
llvm-svn: 108794
2010-07-20 01:19:58 +00:00
Owen Anderson
522ef60c01 Change the implemented interfaces list on PassInfo from a std::vector to a manually implemented
linked list.  This is a little slower and involves more malloc'ing, but these lists are
typically short, and it allows PassInfo to be entirely constant initializable.

llvm-svn: 108755
2010-07-19 21:44:48 +00:00
Duncan Sands
7439f193bb Expose BasicBlock::moveBefore and moveAfter in C API, patch
by Benjamin Saunders.

llvm-svn: 108699
2010-07-19 15:31:07 +00:00
Gabor Greif
e35b95f719 precompute 20 tags
llvm-svn: 108695
2010-07-19 14:48:15 +00:00
Gabor Greif
330a6c1593 fullStopTag cannot happen here, it is handled above
llvm-svn: 108631
2010-07-17 20:52:46 +00:00
Chris Lattner
d2097ce7ab Fix PR7658, a problem where type refinement can trigger
constant replacement which was botching its handling of
types.  Use of getType() instead of getRawType() was causing
the type map in constant folding to be updated wrong.

llvm-svn: 108610
2010-07-17 06:13:52 +00:00
Chris Lattner
02dc24e49a tidy up
llvm-svn: 108560
2010-07-16 21:20:46 +00:00
Chris Lattner
663dd0eb36 eliminate unlockedRefineAbstractTypeTo, types are all per-llvmcontext,
so there is no locking involved in type refinement.

llvm-svn: 108553
2010-07-16 20:50:13 +00:00
Gabor Greif
4121df768b get the first few tags from a precomputed table (count can be increased if desired)
llvm-svn: 108549
2010-07-16 20:35:19 +00:00
Gabor Greif
17c48ecd68 eliminate CallInst::ArgOffset
llvm-svn: 108522
2010-07-16 09:38:02 +00:00
Tobias Grosser
9c86be4570 LoopSimplify does not update domfrontier correctly.
This fixes PR7649.

llvm-svn: 108513
2010-07-16 05:59:45 +00:00
Tobias Grosser
97dc00d1d8 Add dump() to DominanceFrontier
llvm-svn: 108512
2010-07-16 05:59:39 +00:00
Benjamin Kramer
da3e6cdb26 Don't pass StringRef by reference.
llvm-svn: 108366
2010-07-14 22:38:02 +00:00
Dan Gohman
4a92aee9d6 Just use getParent() instead of getModuleFromVal when the value is a Function.
llvm-svn: 108358
2010-07-14 21:12:44 +00:00
Dan Gohman
e91d5d0c36 Rename WriteConstantInt to WriteConstantInternal, to avoid confusion.
llvm-svn: 108357
2010-07-14 20:57:55 +00:00
Dan Gohman
2ac1d3a2c9 Add support for empty metadata nodes: !{}.
llvm-svn: 108259
2010-07-13 19:33:27 +00:00
Gabor Greif
9772b3e74f rotate CallInst operands
with this commit the callee moves to the end of
the operand array (from the start) and the call
arguments now start at index 0 (formerly 1)

this ordering is now consistent with InvokeInst

this commit only flips the switch,
functionally it is equivalent to
r101465

I intend to commit several cleanups after a few
days of soak period

llvm-svn: 108240
2010-07-13 15:31:36 +00:00
Gabor Greif
5c94fddae4 cache dereferenced iterators
llvm-svn: 108131
2010-07-12 10:36:48 +00:00
Duncan Sands
f7b98e2b1e Convert some tab stops into spaces.
llvm-svn: 108130
2010-07-12 08:16:59 +00:00
Chris Lattner
59bffe35a1 fix PR7311 by avoiding breaking casts when a bitcast from scalar->vector
is involved.

llvm-svn: 108117
2010-07-12 01:19:22 +00:00
Chris Lattner
c6f9c11878 make the prototypes for CreateMalloc and CreateFree more consistent. Patch
by Hans Vandierendonck from PR7605

llvm-svn: 108116
2010-07-12 00:57:28 +00:00
Nick Lewycky
9abc58b327 If it's safe to speculatively execute load(alloca) the it's safe to execute
load(gep(alloca)) where the gep is all-zeros. There's more we could do here but
this is a common case.

llvm-svn: 108101
2010-07-11 20:36:29 +00:00
Chris Lattner
656c2c8700 fix typo
llvm-svn: 108100
2010-07-11 19:42:53 +00:00
Chris Lattner
20161998c6 use PrintEscapedString to handle attribute section with escapes in it,
PR7399.  The asm parser already handles this.  This is of dubious 
utility (see the PR) but the asmprinter was clearly broken here.

llvm-svn: 107834
2010-07-07 23:16:37 +00:00
Devang Patel
568037d823 Add fixme.
llvm-svn: 107697
2010-07-06 21:05:17 +00:00
Dan Gohman
c754b1eda1 IndirectBr is not safe to speculatively execute (!)
llvm-svn: 107454
2010-07-02 00:35:34 +00:00
Bill Wendling
90b6422f2f Implement the "linker_private_weak" linkage type. This will be used for
Objective-C metadata types which should be marked as "weak", but which the
linker will remove upon final linkage. However, this linkage isn't specific to
Objective-C.

For example, the "objc_msgSend_fixup_alloc" symbol is defined like this:

      .globl l_objc_msgSend_fixup_alloc
      .weak_definition l_objc_msgSend_fixup_alloc
      .section __DATA, __objc_msgrefs, coalesced
      .align 3
l_objc_msgSend_fixup_alloc:
       .quad   _objc_msgSend_fixup
       .quad   L_OBJC_METH_VAR_NAME_1

This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".

Currently only supported on Darwin platforms.

llvm-svn: 107433
2010-07-01 21:55:59 +00:00
Gabor Greif
48effae6f6 reformulate CallSite::getCallee to adapt to CallInst::ArgOffset, and make it work even if CallInst::op_* are private
llvm-svn: 107390
2010-07-01 10:41:37 +00:00
Bill Wendling
59ef9bcc6d Revert r107205 and r107207.
llvm-svn: 107215
2010-06-29 22:34:52 +00:00
Bill Wendling
05a4c0b1f2 Introducing the "linker_weak" linkage type. This will be used for Objective-C
metadata types which should be marked as "weak", but which the linker will
remove upon final linkage. For example, the "objc_msgSend_fixup_alloc" symbol is
defined like this:

       .globl l_objc_msgSend_fixup_alloc
       .weak_definition l_objc_msgSend_fixup_alloc
       .section __DATA, __objc_msgrefs, coalesced
       .align 3
l_objc_msgSend_fixup_alloc:
        .quad   _objc_msgSend_fixup
        .quad   L_OBJC_METH_VAR_NAME_1

This is different from the "linker_private" linkage type, because it can't have
the metadata defined with ".weak_definition".

llvm-svn: 107205
2010-06-29 21:24:00 +00:00
Gabor Greif
50741043d0 use ArgOperand API
llvm-svn: 107145
2010-06-29 16:17:26 +00:00
Gabor Greif
3c768ce3f0 encode operand initializations (at fixed index)
in terms of Op<> and ArgOffset. This works for
values of {0, 1} for ArgOffset.
Please note that ArgOffset will become 0 soon and
will go away eventually.

llvm-svn: 107129
2010-06-29 11:41:38 +00:00
Dan Gohman
50fffcaea3 Constant fold x == undef to undef.
llvm-svn: 107074
2010-06-28 21:30:07 +00:00
Dan Gohman
bd121d9b9f Fix Value::stripPointerCasts and BasicAA to avoid trouble on
code in unreachable blocks, which have have use-def cycles.
This fixes PR7514.

llvm-svn: 107071
2010-06-28 21:16:52 +00:00
Gabor Greif
6c86715183 use ArgOperand accessors
llvm-svn: 106626
2010-06-23 13:56:57 +00:00
Gabor Greif
992ef6fa9c use ArgOperand accessors
llvm-svn: 106623
2010-06-23 13:09:06 +00:00
Gabor Greif
dedbd07ed6 use helper to neatly access arguments
llvm-svn: 106622
2010-06-23 08:45:32 +00:00
Gabor Greif
3f6b94947f use high-level accessors
llvm-svn: 106573
2010-06-22 20:40:38 +00:00
Gabor Greif
2de1a571e9 warmup ritual: use high-level argument accessors
llvm-svn: 106563
2010-06-22 19:46:37 +00:00
Devang Patel
f50b6147ad Use single interface, using twine, to get named metadata.
getNamedMetadata().

llvm-svn: 106518
2010-06-22 01:19:38 +00:00
Dan Gohman
6a3c46ad49 Use A.append(...) instead of A.insert(A.end(), ...) when A is a
SmallVector, and other SmallVector simplifications.

llvm-svn: 106452
2010-06-21 19:47:52 +00:00