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Commit Graph

165 Commits

Author SHA1 Message Date
Manman Ren
16d1a6bf08 Linker: correctly link in dbg.declare
This is a re-worked version of r174048.
Given source IR:
call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata ), !dbg 
we used to generate 
call void @llvm.dbg.declare(metadata , metadata ), !dbg 
 = metadata !{null}

With this patch, we will correctly generate
call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata ), !dbg 

Looking up %argc.addr in ValueMap will return null, since %argc.addr is already
correctly set up, we can use identity mapping.

rdar://problem/13089880


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174093 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31 21:19:18 +00:00
Alexey Samsonov
e22df330a3 Revert r173946. This breaks compilation of googletest with Clang
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174048 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-31 08:02:11 +00:00
Manman Ren
1229c0cb10 Linker: correctly link in dbg.declare
Given source IR:
call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata ), !dbg 
we used to generate 
call void @llvm.dbg.declare(metadata , metadata ), !dbg 
 = metadata !{null}

With this patch, we will correctly generate
call void @llvm.dbg.declare(metadata !{i32* %argc.addr}, metadata ), !dbg 

Looking up %argc.addr in ValueMap will return null, since %argc.addr is already
correctly set up, we can use identity mapping.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173946 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-30 17:42:15 +00:00
Daniel Dunbar
5db391c67d [IR] Add 'Append' and 'AppendUnique' module flag behaviors.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172659 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16 21:38:56 +00:00
Daniel Dunbar
1e08165ae9 [Linker] Change module flag linking to be more extensible.
- Instead of computing a bunch of buckets of different flag types, just do an
   incremental link resolving conflicts as they arise.

 - This also has the advantage of making the link result deterministic and not
   dependent on map iteration order.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172634 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-16 18:39:23 +00:00
Joey Gouly
2b8f6ae6b7 Fix a copy/paste error in the IR Linker, casting an ArrayType instead of a VectorType.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@172054 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-10 10:49:36 +00:00
Bill Wendling
efd08d413c Remove the dependent libraries feature.
The dependent libraries feature was never used and has bit-rotted. Remove it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168694 91177308-0d34-0410-b5e6-96231b3b80d8
2012-11-27 09:55:56 +00:00
Chandler Carruth
49589f0d0e Convert the uses of '|&' to use '2>&1 |' instead, which works on old
versions of Bash. In addition, I can back out the change to the lit
built-in shell test runner to support this.

This should fix the majority of fallout on Darwin, but I suspect there
will be a few straggling issues.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159544 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02 18:37:59 +00:00
Chandler Carruth
4177e6fff5 Convert all tests using TCL-style quoting to use shell-style quoting.
This was done through the aid of a terrible Perl creation. I will not
paste any of the horrors here. Suffice to say, it require multiple
staged rounds of replacements, state carried between, and a few
nested-construct-parsing hacks that I'm not proud of. It happens, by
luck, to be able to deal with all the TCL-quoting patterns in evidence
in the LLVM test suite.

If anyone is maintaining large out-of-tree test trees, feel free to poke
me and I'll send you the steps I used to convert things, as well as
answer any painful questions etc. IRC works best for this type of thing
I find.

Once converted, switch the LLVM lit config to use ShTests the same as
Clang. In addition to being able to delete large amounts of Python code
from 'lit', this will also simplify the entire test suite and some of
lit's architecture.

Finally, the test suite runs 33% faster on Linux now. ;]
For my 16-hardware-thread (2x 4-core xeon e5520): 36s -> 24s

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159525 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02 12:47:22 +00:00
Chandler Carruth
7e621f3242 Switch a bunch of Linker tests from using elaborate echo productions to
just provide and reference separate input files from an Inputs
subdirectory. This pattern works very well in the Clang tree and is
easier to understand in my opinion. It also has fewer limitations and
will remove one particularly annoying use of TCL-style {} quoting from
the testsuite.

Also teach the LLVM lit configuration to avoid recursing into 'Inputs'
subdirectories. This wasn't required for the previous 'Inputs'
subdirectories used due to fortuitous suffix patterns.

This is the first step to completely removing support for TCL-style tests.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159520 91177308-0d34-0410-b5e6-96231b3b80d8
2012-07-02 10:18:06 +00:00
Michael J. Spencer
75338097c7 Remove llvm-ld and llvm-stub (which is only used by llvm-ld).
llvm-ld is no longer useful and causes confusion and so it is being removed.

* Does not work very well on Windows because it must call a gcc like driver to
  assemble and link.
* Has lots of hard coded paths which are wrong on many systems.
* Does not understand most of ld's options.
* Can be partially replaced by llvm-link | opt | {llc | as, llc -filetype=obj} |
  ld, or fully replaced by Clang.

I know of no production use of llvm-ld, and hacking use should be
replaced by Clang's driver.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@155147 91177308-0d34-0410-b5e6-96231b3b80d8
2012-04-19 19:27:54 +00:00
Bill Wendling
348e5e763e Add back removed code. It still causes LLVM to miscompile. But not having it breaks other things.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151594 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27 23:48:30 +00:00
Bill Wendling
fddefccf05 XFAIL test until <rdar://problem/10913281> is fixed.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151578 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-27 22:53:42 +00:00
Eli Bendersky
0f0c411079 Replace all instances of dg.exp file with lit.local.cfg, since all tests are run with LIT now and now Dejagnu. dg.exp is no longer needed.
Patch reviewed by Daniel Dunbar. It will be followed by additional cleanup patches.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150664 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-16 06:28:33 +00:00
Bill Wendling
46b8b27057 Remove extraneous tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150636 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15 23:44:05 +00:00
Bill Wendling
39c4cd3180 Add a test for the Objective-C garbage collection metadata stuff.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150626 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-15 22:44:10 +00:00
Bill Wendling
c54066aed3 Change error tests to coincide with message changes.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150467 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-14 09:29:21 +00:00
Bill Wendling
d34cb1e09f [WIP] Initial code for module flags.
Module flags are key-value pairs associated with the module. They include a
'behavior' value, indicating how module flags react when mergine two
files. Normally, it's just the union of the two module flags. But if two module
flags have the same key, then the resulting flags are dictated by the behaviors.

Allowable behaviors are:

     Error
       Emits an error if two values disagree.

     Warning
       Emits a warning if two values disagree.

     Require
       Emits an error when the specified value is not present
       or doesn't have the specified value. It is an error for
       two (or more) llvm.module.flags with the same ID to have
       the Require behavior but different values. There may be
       multiple Require flags per ID.

     Override
       Uses the specified value if the two values disagree. It
       is an error for two (or more) llvm.module.flags with the
       same ID to have the Override behavior but different
       values.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@150300 91177308-0d34-0410-b5e6-96231b3b80d8
2012-02-11 11:38:06 +00:00
Rafael Espindola
3ed8815541 Link symbols with different visibilities according to the rules in the
System V Application Binary Interface. This lets us use
-fvisibility-inlines-hidden with LTO.
Fixes PR11697.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147624 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-05 23:02:01 +00:00
Chris Lattner
ea93373a0a Now that PR11464 is fixed, reapply the patch to fix PR11464,
merging types by name when we can.  We still don't guarantee type name linkage
but we do it when obviously the right thing to do.  This makes LTO type names 
easier to read, for example.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146932 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-20 00:12:26 +00:00
Chris Lattner
68910509fd fix PR11464 by preventing the linker from mapping two different struct types from the source module onto the same opaque destination type. An opaque type can only be resolved to one thing or another after all.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146929 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-20 00:03:52 +00:00
Chad Rosier
2e6119429f Revert 146728 as it's causing failures on some of the external bots as well as
internal nightly testers.  Original commit message:

By popular demand, link up types by name if they are isomorphic and one is an
autorenamed version of the other.   This makes the IR easier to read, because
we don't end up with random renamed versions of the types after LTO'ing a large
app.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146838 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-17 22:19:53 +00:00
Chris Lattner
9646acfccf By popular demand, link up types by name if they are isomorphic and one is an
autorenamed version of the other.   This makes the IR easier to read, because
we don't end up with random renamed versions of the types after LTO'ing a large app.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146728 91177308-0d34-0410-b5e6-96231b3b80d8
2011-12-16 08:36:07 +00:00
Chris Lattner
d2bf432b2b Upgrade syntax of tests using volatile instructions to use 'load volatile' instead of 'volatile load', which is archaic.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@145171 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-27 06:54:59 +00:00
Nico Weber
e688f8896b Let this test pass even if 'int' is somewhere in its directory path.
On my machine, grep matched:

  ; ModuleID = '/Volumes/MacintoshHD2/src/chrome-git/src/third_party/llvm/test/Linker/2011-08-18-unique-debug-type.ll'
   = metadata !{i32 720932, null, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]

Explicitly filter out the ModuleID line.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142077 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-15 18:07:16 +00:00
Andrew Trick
6ca06cd8a8 Use %% for literals in RUN lines.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138647 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-26 20:09:48 +00:00
Duncan Sands
3c0e5dc40f Testcase for PR10663.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138231 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-22 10:32:09 +00:00
Devang Patel
727df2ca81 Add another test.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137969 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18 18:50:25 +00:00
Devang Patel
3f52c51e00 Add test to check type uniquing.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@137968 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-18 18:40:49 +00:00
Devang Patel
1f35b17885 We need to map DebugLoc. It leads to Fuction * (through subprogram entry node) which should be appropriately mapped.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136910 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04 20:02:18 +00:00
Devang Patel
211da8f7a9 Linke NamedMDNodes after linking global values as comment suggests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136909 91177308-0d34-0410-b5e6-96231b3b80d8
2011-08-04 19:44:28 +00:00
Chris Lattner
7305c55a80 fix rdar://9776316 - type remapping needed for inline asm blobs,
fixing some objc llvm-test crashes with LTO.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135324 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-15 23:18:40 +00:00
Chris Lattner
1afcace3a3 Land the long talked about "type system rewrite" patch. This
patch brings numerous advantages to LLVM.  One way to look at it
is through diffstat:
 109 files changed, 3005 insertions(+), 5906 deletions(-)

Removing almost 3K lines of code is a good thing.  Other advantages
include:

1. Value::getType() is a simple load that can be CSE'd, not a mutating
   union-find operation.
2. Types a uniqued and never move once created, defining away PATypeHolder.
3. Structs can be "named" now, and their name is part of the identity that
   uniques them.  This means that the compiler doesn't merge them structurally
   which makes the IR much less confusing.
4. Now that there is no way to get a cycle in a type graph without a named
   struct type, "upreferences" go away.
5. Type refinement is completely gone, which should make LTO much MUCH faster
   in some common cases with C++ code.
6. Types are now generally immutable, so we can use "Type *" instead 
   "const Type *" everywhere.

Downsides of this patch are that it removes some functions from the C API,
so people using those will have to upgrade to (not yet added) new API.  
"LLVM 3.0" is the right time to do this.

There are still some cleanups pending after this, this patch is large enough
as-is.




git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134829 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09 17:41:24 +00:00
Chris Lattner
5fe319b3bd remove a test that doesn't make sense in the new world.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134818 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-09 16:52:42 +00:00
Chandler Carruth
898402dba4 Quote two greps which contain parentheses.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@134353 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-02 20:43:13 +00:00
Rafael Espindola
4e93885bab Correctly merge available_externally and regular definitions when they have
different visibilities.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124650 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-01 05:33:52 +00:00
Chris Lattner
51e62f0f73 fix PR9015, a crash linking recursive metadata.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124099 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-24 03:18:24 +00:00
Michael J. Spencer
ddbb3bcdd7 Make everyone happy this time.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123599 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16 21:34:34 +00:00
Michael J. Spencer
6990433b56 Try and fix this test. For some reason llvm-ar thinks that the file exists when
it shouldn't, but I have no way to verify that it doesn't actually exist on the
buildbot.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123594 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16 20:52:58 +00:00
Michael J. Spencer
c850965ec0 Revert "Archive: Replace all internal uses of PathV1 with PathV2. The external API still uses PathV1."
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123557 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16 01:43:22 +00:00
Chris Lattner
02efda4b4e one of michael's recent patches broke this, temporarily disable
it so the bots go green


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123555 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-16 01:04:49 +00:00
Rafael Espindola
ba7c38c36a Allow unnamed_addr on declarations.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123529 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-15 08:15:00 +00:00
Rafael Espindola
c2a94da313 Keep unnamed_addr when linking.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@123364 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-13 05:12:34 +00:00
Rafael Espindola
19785995f6 Fix PR8300 by remembering to keep the bitcast in all cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116788 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-19 02:02:57 +00:00
Dan Gohman
6cb8c23db1 Reapply r112091 and r111922, support for metadata linking, with a
fix: add a flag to MapValue and friends which indicates whether
any module-level mappings are being made. In the common case of
inlining, no module-level mappings are needed, so MapValue doesn't
need to examine non-function-local metadata, which can be very
expensive in the case of a large module with really deep metadata
(e.g. a large C++ program compiled with -g).

This flag is a little awkward; perhaps eventually it can be moved
into the ClonedCodeInfo class.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112190 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26 15:41:53 +00:00
Daniel Dunbar
fd406f1ee2 Revert r112091, "Remap metadata attached to instructions when remapping
individual ...", which depends on r111922, which I am reverting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112157 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-26 03:48:08 +00:00
Dan Gohman
ce934260dc Remap metadata attached to instructions when remapping individual
instructions, not when remapping modules.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112091 91177308-0d34-0410-b5e6-96231b3b80d8
2010-08-25 21:36:50 +00:00
Dan Gohman
e3394d4a49 When a constant's type is refined, update the constant in place
instead of cloning and RAUWing it.

 - Make AbstractTypeUser a friend of Value so that it can offer
   its subclasses a way to update a Value's type in place. This
   is better than a universally visible setType method on Value,
   and it's sufficient for the immediate need.

 - Eliminate the constant "convert" functions. This eliminates a
   lot of logic duplication, and fixes a complicated bug where a
   constant can't actually be cloned during the type refinement
   process because some of the types that its folder needs are
   half-destroyed, being in the middle of refinement themselves.

 - Move the getValType functions from being static overloaded
   functions in Constants.cpp to be members of class template
   specializations in ConstantsContext.h. This means that the
   code ends up getting instantiated twice, however it also
   makes it possible to eliminate all "convert" functions, so
   it's not a big net code size increase. And if desired, the
   duplicate instantiations could be eliminated with some
   reorganization.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81861 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 15:58:07 +00:00
Dan Gohman
5efe566d9e Use llvm-link -S instead of using llvm-dis.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81860 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-15 15:38:31 +00:00
Daniel Dunbar
a3f89829f3 Rename %S metavar to %M (clang uses %S for the basename of the test file).
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81087 91177308-0d34-0410-b5e6-96231b3b80d8
2009-09-05 12:38:35 +00:00