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6 Commits

Author SHA1 Message Date
Amir Ayupov de3e3fcfa3 [BOLT][CMAKE] Accept BOLT_CLANG_EXE and BOLT_LLD_EXE 
Add CMake options to supply clang and lld binaries for use in check-bolt
instead of requiring the build of clang and lld projects.

Suggested by Mehdi Amini in https://lists.llvm.org/pipermail/llvm-dev/2021-December/154426.html

Test Plan:
```
cmake -G Ninja ~/local/llvm-project/llvm \
-DLLVM_TARGETS_TO_BUILD="X86"  \
-DCMAKE_BUILD_TYPE=Release \
-DLLVM_ENABLE_ASSERTIONS=ON \
-DLLVM_ENABLE_PROJECTS="bolt"  \
-DBOLT_CLANG_EXE=~/local/bin/clang \
-DBOLT_LLD_EXE=~/local/bin/lld

ninja check-bolt
...
llvm-lit: /home/aaupov/local/llvm-project/llvm/utils/lit/lit/llvm/config.py:436: note: using clang: /home/aaupov/local/bin/clang
llvm-lit: /home/aaupov/local/llvm-project/llvm/utils/lit/lit/llvm/config.py:436: note: using ld.lld: /home/aaupov/local/bin/ld.lld
llvm-lit: /home/aaupov/local/llvm-project/llvm/utils/lit/lit/llvm/config.py:436: note: using lld-link: /home/aaupov/local/bin/lld-link
llvm-lit: /home/aaupov/local/llvm-project/llvm/utils/lit/lit/llvm/config.py:436: note: using ld64.lld: /home/aaupov/local/bin/ld64.lld
llvm-lit: /home/aaupov/local/llvm-project/llvm/utils/lit/lit/llvm/config.py:436: note: using wasm-ld: /home/aaupov/local/bin/wasm-ld
...
```

Tested all configurations:
- LLVM_ENABLE_PROJECTS="bolt;clang;lld" + no BOLT_*_EXE
- LLVM_ENABLE_PROJECTS="bolt;clang" + BOLT_LLD_EXE
- LLVM_ENABLE_PROJECTS="bolt;lld" + BOLT_CLANG_EXE
- LLVM_ENABLE_PROJECTS="bolt" + BOLT_CLANG_EXE + BOLT_LLD_EXE
- LLVM_ENABLE_PROJECTS="bolt;clang;lld" + BOLT_CLANG_EXE + BOLT_LLD_EXE

Reviewed By: maksfb

Differential Revision: https://reviews.llvm.org/D117061
 2022-01-15 04:37:29 -08:00
Rafael Auler 0559dab546 [BOLT] Improve cmake configs for opensource 
Summary:
Change cmake config in BOLT to only support Linux. In other
platforms, we print a warning that we won't build BOLT.  Change
configs to determine whether we will build BOLT runtime libs. This
only happens in x86 hosts. If true, we will build the runtime and
enable bolt-runtime tests. New tests that depend on the bolt_rt lib
needs to be marked REQUIRES:bolt-runtime. I updated the relevant
tests.  Fix cmake to do not crash when building llvm with a target
that BOLT does not support.

(cherry picked from FBD31935760)
 2021-10-26 12:26:23 -07:00
Amir Ayupov d4fdc98140 [BOLT][TEST] Remove dependence on host_cc and host_cxx 
Summary: Add dependency on clang and clangxx instead.

(cherry picked from FBD31128140)
 2021-09-22 15:53:38 -07:00
Amir Ayupov 1c5d3a056c Rebase: Merge BOLT codebase in monorepo 
Summary:
This commit is the first step in rebasing all of BOLT
history in the LLVM monorepo. It also solves trivial build issues
by updating BOLT codebase to use current LLVM. There is still work
left in rebasing some BOLT features and in making sure everything
is working as intended.

History has been rewritten to put BOLT in the /bolt folder, as
opposed to /tools/llvm-bolt.

(cherry picked from FBD33289252)
 2020-12-01 16:29:39 -08:00
Rafael Auler 340da8f294 [BOLT] Fix shrink wrapping to check pops 
Summary:
Shrink wrapping has a mode where it will directly move push
pop pairs, instead of replacing them with stores/loads. This is an
ambitious mode that is triggered sometimes, but whenever matching with
a push, it would operate with the assumption that the restoring
instruction was a pop, not a load, otherwise it would assert. Fix this
assertion to bail nicely back to non-pushpop mode (use regular store and
load instructions).

(cherry picked from FBD20085905)
 2020-02-18 16:00:40 -08:00
Rafael Auler 8f717dd25e [BOLT] Add initial bolt-only test infra 
Summary:
Create folders and setup to make LIT run BOLT-only tests. Add
a test example. This will add a new make/ninja rule "check-bolt" that
the user can invoke to run LIT on this folder.

(cherry picked from FBD8595786)
 2018-06-22 13:50:07 -07:00