Summary:
Fix missing string header file inclusion and link_fdata find
problem in lit tests. Change root-level tests to require
linux. Re-enable Windows in our root CMakeLists.txt.
(cherry picked from FBD33296290)
Summary:
Import the test. The assembly input has three functions with associated fdata.
The old link_fdata.sh script only replaces the symbol names with symbol values,
whereas fdata format expects to have symbol offsets against the anchor symbol.
Introduce the link_fdata.py script which is able to parse the input and produce
either an offset or an absolute symbol value.
(cherry picked from FBD32256351)
Summary:
BOLT meta test using merge-fdata tool.
This tests BOLT instrumentation for a non-trivial binary, running instrumented
binary, and using the instrumentation profile for BOLT optimizations.
The results are verified between original, instrumented, and optimized binaries.
Additional tested features: boltdiff mode and merge-fdata for two profiles.
merge-fdata tool is linked with relocs on Linux to support this test.
(cherry picked from FBD32141812)
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)
Summary:
This commit adds checking if maxIndividualTestTime is availabe on
the platform. If available - it sets per test timeout to 60sec and
declares lit-max-individual-test-time feature for further checking
by particular test cases.
Based on https://reviews.llvm.org/D64251 implementation.
Vasily Leonenko,
Advanced Software Technology Lab, Huawei
(cherry picked from FBD30821986)
Summary:
This patch is part of preparation for golang support. The golang symbols
might have spaces in the name (for example "type..eq.[10]interface {}").
Since fdata uses spaces as a field separator such names brakes the fdata
format, so we need to escape whitespaces and backslashes in symbol names
using the backslash character.
Vladislav Khmelevsky,
Advanced Software Technology Lab, Huawei
(cherry picked from FBD29999491)
Summary:
While printing debug info for instructions, we should use line tables
from the corresponding DWARF CU which could be different from the
containing function CU in case of inlined instructions.
(cherry picked from FBD28908324)
Summary:
Since gcc/ld could produce and expect PIE files we need to pass -no-pie option to avoid linking errors for tests.
Vladislav Khmelevsky,
Advanced Software Technology Lab, Huawei
(cherry picked from FBD28360045)
Summary:
There is no real link between CU and TU, so relying on fact
that address are the same, and we are updating all of them.
(cherry picked from FBD28112114)
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)
Summary:
For interprocedural references to fragments, record them as
fragment entry points. Not registering these entry points leads to
UCE removing the blocks and "Undefined temporary symbol"
assertion.
(cherry picked from FBD24511281)
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)
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)
Rafael Auler