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Commit Graph

24 Commits

Author SHA1 Message Date
NAKAMURA Takumi
1b9d890455 TableGen.cmake: Fix to work without LLVM_COMMON_DEPENDS.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158650 91177308-0d34-0410-b5e6-96231b3b80d8
2012-06-17 15:41:56 +00:00
NAKAMURA Takumi
b510157d35 CMake: Add the folder "Tablegenning" on llvm-tblgen targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149219 91177308-0d34-0410-b5e6-96231b3b80d8
2012-01-30 03:01:03 +00:00
Chandler Carruth
a71b7b0911 Fix a typo noticed by Peter Collingbourne. No one depends on this
working today, but it shouldn't corrupt state for some poor soul to
debug later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143545 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02 16:55:57 +00:00
Chandler Carruth
1bfc9f8ff2 The TableGen parts of the CMake build are seriously broken. This fixes
one aspect of them by having them use the (annoying, if not broken)
proper library dependency model for adding the LLVMTableGen library as
a dependency. This could manifest as a link order issue in the presence
of separate LLVM / Clang source builds with CMake and a linker that
really cares about such things.

Also, add the Support dependency to llvm-tblgen itself so that it
doesn't rely on TableGen's transitive Support dependency. A parallel
change for clang-tblgen will be forthcoming.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143531 91177308-0d34-0410-b5e6-96231b3b80d8
2011-11-02 05:03:06 +00:00
Peter Collingbourne
de8f33c199 Build system infrastructure for multiple tblgens.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@141266 91177308-0d34-0410-b5e6-96231b3b80d8
2011-10-06 01:51:51 +00:00
Chandler Carruth
b35552d440 Clean up a pile of hacks in our CMake build relating to TableGen.
The first problem to fix is to stop creating synthetic *Table_gen
targets next to all of the LLVM libraries. These had no real effect as
CMake specifies that add_custom_command(OUTPUT ...) directives (what the
'tablegen(...)' stuff expands to) are implicitly added as dependencies
to all the rules in that CMakeLists.txt.

These synthetic rules started to cause problems as we started more and
more heavily using tablegen files from *subdirectories* of the one where
they were generated. Within those directories, the set of tablegen
outputs was still available and so these synthetic rules added them as
dependencies of those subdirectories. However, they were no longer
properly associated with the custom command to generate them. Most of
the time this "just worked" because something would get to the parent
directory first, and run tablegen there. Once run, the files existed and
the build proceeded happily. However, as more and more subdirectories
have started using this, the probability of this failing to happen has
increased. Recently with the MC refactorings, it became quite common for
me when touching a large enough number of targets.

To add insult to injury, several of the backends *tried* to fix this by
adding explicit dependencies back to the parent directory's tablegen
rules, but those dependencies didn't work as expected -- they weren't
forming a linear chain, they were adding another thread in the race.

This patch removes these synthetic rules completely, and adds a much
simpler function to declare explicitly that a collection of tablegen'ed
files are referenced by other libraries. From that, we can add explicit
dependencies from the smaller libraries (such as every architectures
Desc library) on this and correctly form a linear sequence. All of the
backends are updated to use it, sometimes replacing the existing attempt
at adding a dependency, sometimes adding a previously missing dependency
edge.

Please let me know if this causes any problems, but it fixes a rather
persistent and problematic source of build flakiness on our end.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136023 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-26 00:09:08 +00:00
Oscar Fuentes
ddfb69cd47 CMake: generalize the system that creates custom targets for
tablegenning to all libraries and executables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@135908 91177308-0d34-0410-b5e6-96231b3b80d8
2011-07-25 14:11:55 +00:00
Oscar Fuentes
ba6ac91995 Add the tablegenned files to the `clean' target.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124854 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-04 03:47:50 +00:00
Oscar Fuentes
d538e24922 Changes for building Clang and others using LLVM as an external
library.

Installs tblgen (required by Clang).

Translates handling of user settings and platform-dependant options to
its own file, where it can included by another project.

Installs the .cmake files required by projects like Clang.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124816 91177308-0d34-0410-b5e6-96231b3b80d8
2011-02-03 20:57:36 +00:00
Oscar Fuentes
5b30f0a7eb TableGen.cmake: sometimes the .td file is not in the current directory
(clang/include/clang/Basic/StmtNodes.td, for instance, is tablegenned
from clang/include/clang/AST/CMakeLists.txt) so it is not contained on
the list of all .td files on the current source directory which is
used as the DEPENDS of the custom command. We must add the .td file to
the DEPENDS list of the custom command. Otherwise some .inc files are
not regenerated when the corresponding .td file changes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122768 91177308-0d34-0410-b5e6-96231b3b80d8
2011-01-03 20:01:32 +00:00
Oscar Fuentes
8c0cd08459 Avoid stalled file dependency when tablegenning.
Patch by Frits van Bommel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117113 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22 17:37:42 +00:00
Oscar Fuentes
8a116e0b3e Teach CMake to only touch tablegen-generated files if anything
actually changed.

Patch by Frits van Bommel!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@117102 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-22 16:20:10 +00:00
Douglas Gregor
ba6fc63eb2 Allow absolute paths in LLVM_TARGET_DEFINITIONS for CMake's TableGen rule
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@106219 91177308-0d34-0410-b5e6-96231b3b80d8
2010-06-17 15:17:07 +00:00
Douglas Gregor
66aa9b1c2f CMake: Don't use copy_if_different for TableGen output, because it does not work with IDE targets
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79732 91177308-0d34-0410-b5e6-96231b3b80d8
2009-08-22 07:00:18 +00:00
Oscar Fuentes
d97ea308ed CMake: tablegen: Add .td files under the inlude/llvm directory
hierarchy to the list of dependencies.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75510 91177308-0d34-0410-b5e6-96231b3b80d8
2009-07-13 21:35:00 +00:00
Douglas Gregor
4b73893d82 Add missing dependencies to the CMake build system.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74161 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-25 05:03:06 +00:00
Oscar Fuentes
99b94892f5 CMake: Fixed parallel build problem related to native tblgen when
cross-compiling.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@73180 91177308-0d34-0410-b5e6-96231b3b80d8
2009-06-11 04:16:10 +00:00
Douglas Gregor
af3f5441b5 CMake: Make sure to build TableGen'd files in the binary directory
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@67052 91177308-0d34-0410-b5e6-96231b3b80d8
2009-03-16 21:35:18 +00:00
Oscar Fuentes
beb7a05086 CMake: Do not rebuild the world when tblgen changes but the .inc files
it produces are not affected by the change.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59763 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-21 00:18:45 +00:00
Oscar Fuentes
cccecb8ea2 CMake: Use LLVM_MAIN_SRC_DIR instead of CMAKE_SOURCE_DIR, for
consistency.

Patch by Kevin Andre!


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59326 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14 22:21:02 +00:00
Oscar Fuentes
1bbdd4645b CMake: Fixed dependencies of .cpp source files on .td and tablegenned
files.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@59325 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-14 22:06:14 +00:00
Oscar Fuentes
3ab40ca3d5 CMake: Support for cross-compiling. For now, requires a previously
built native tblgen which is passed to cmake in the variable
LLVM_TABLEGEN.

See

http://www.cmake.org/Wiki/CmakeMingw

for a quick example on how to cross-compile with CMake.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58939 91177308-0d34-0410-b5e6-96231b3b80d8
2008-11-09 18:53:19 +00:00
Oscar Fuentes
980e842153 CMake: Removed some cruft.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58358 91177308-0d34-0410-b5e6-96231b3b80d8
2008-10-29 02:33:15 +00:00
Oscar Fuentes
e1ad087fcb CMake: Builds all targets.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56641 91177308-0d34-0410-b5e6-96231b3b80d8
2008-09-26 04:40:32 +00:00