17 Commits

Author SHA1 Message Date
Orlando Cazalet-Hyams
6d46337e13
[RemoveDIs] Handle DPValues in replaceDbgDeclare (#73507)
The tests will become "live" once #74090 lands (see for more info).
2023-12-12 15:25:08 +00:00
paperchalice
3bd5172057
Reland "[CodeGen] Port SafeStack to new pass manager (#74027)
Forgot to update related code in `CodeGenPassBuilder.h`, also update it
for `CallBrPreparePass`.
Fix build when `LLVM_ENABLE_MODULES:BOOL=ON`.
2023-12-01 13:55:05 +09:00
Shubham Sandeep Rastogi
2eff36b7d3
Revert "[CodeGen] Port SafeStack to new pass manager (#73747)" (#73965)
This reverts commit a4d5fd4d2ee9470e55345a9540f6b6fb6faf66e1.

The above commit breaks greendragon lldb bots:
Link to failing builds:
https://green.lab.llvm.org/green/view/LLDB/job/lldb-cmake/63300/
https://green.lab.llvm.org/green/view/LLDB/job/as-lldb-cmake/10345/

I found this PR to be the offending one after using git bisect with the
cmake invocation:

cmake -G Ninja ../llvm -DCMAKE_BUILD_TYPE=Release
-DCMAKE_EXPORT_COMPILE_COMMANDS=ON
'-DLLVM_TARGETS_TO_BUILD=X86;ARM;AArch64'
-DLLVM_ENABLE_ASSERTIONS:BOOL=TRUE
-DLLVM_ENABLE_MODULES=On
-DLLVM_ENABLE_PROJECTS='clang;lld;lldb;cross-project-tests'
-DLLVM_VERSION_PATCH=99
'-DLLVM_ENABLE_RUNTIMES=libcxx;libcxxabi;compiler-rt'

and running
ninja lib/CodeGen/CMakeFiles/LLVMCodeGen.dir/CodeGenPassBuilder.cpp.o
2023-11-30 09:53:15 -08:00
paperchalice
a4d5fd4d2e
[CodeGen] Port SafeStack to new pass manager (#73747)
Just copy the `runOnFunction` method from `SafeStackLegacyPass` and
remove the workaround for computing analysis lazily, the analysis result
in new pass manager is computed lazily by default.
2023-11-30 13:26:49 +09:00
Tobias Hieta
f84bac329b
[NFC][Py Reformat] Reformat lit.local.cfg python files in llvm
This is a follow-up to b71edfaa4ec3c998aadb35255ce2f60bba2940b0
since I forgot the lit.local.cfg files in that one.

Reformatting is done with `black`.

If you end up having problems merging this commit because you
have made changes to a python file, the best way to handle that
is to run git checkout --ours <yourfile> and then reformat it
with black.

If you run into any problems, post to discourse about it and
we will try to help.

RFC Thread below:

https://discourse.llvm.org/t/rfc-document-and-standardize-python-code-style

Reviewed By: barannikov88, kwk

Differential Revision: https://reviews.llvm.org/D150762
2023-05-17 17:03:15 +02:00
Matt Arsenault
13fc189fe1 SafeStack: Convert tests to opaque pointers
X86/struct.ll, X86/array.ll and X86/array-aligned required manual
updates to reorder instructions.
2022-11-27 20:28:55 -05:00
Paul Kirth
61e36e87df [safestack] Support safestack in stack size diagnostics
Current stack size diagnostics ignore the size of the unsafe stack.
This patch attaches the size of the static portion of the unsafe stack
to the function as metadata, which can be used by the backend to emit
diagnostics regarding stack usage.

Reviewed By: phosek, mcgrathr

Differential Revision: https://reviews.llvm.org/D119996
2022-04-20 18:29:40 +00:00
serge-sans-paille
4ab3041acb Revert "[NFC] remove explicit default value for strboolattr attribute in tests"
This reverts commit bda6e5bee04c75b1f1332b4fd1ac4e8ef6c3c247.

See https://lab.llvm.org/buildbot/#/builders/109/builds/15424 for instance
2021-05-24 19:43:40 +02:00
serge-sans-paille
bda6e5bee0 [NFC] remove explicit default value for strboolattr attribute in tests
Since d6de1e1a71406c75a4ea4d5a2fe84289f07ea3a1, no attributes is quivalent to
setting attribute to false.

This is a preliminary commit for https://reviews.llvm.org/D99080
2021-05-24 19:31:04 +02:00
Fangrui Song
502a77f125 Migrate function attribute "no-frame-pointer-elim" to "frame-pointer"="all" as cleanups after D56351 2019-12-24 15:57:33 -08:00
Fangrui Song
ac14f7b10c [lit] Delete empty lines at the end of lit.local.cfg NFC
llvm-svn: 363538
2019-06-17 09:51:07 +00:00
Eric Christopher
cee313d288 Revert "Temporarily Revert "Add basic loop fusion pass.""
The reversion apparently deleted the test/Transforms directory.

Will be re-reverting again.

llvm-svn: 358552
2019-04-17 04:52:47 +00:00
Eric Christopher
a863435128 Temporarily Revert "Add basic loop fusion pass."
As it's causing some bot failures (and per request from kbarton).

This reverts commit r358543/ab70da07286e618016e78247e4a24fcb84077fda.

llvm-svn: 358546
2019-04-17 02:12:23 +00:00
Eli Friedman
59de37ba6c [SafeStack] Set debug location for calls to __safestack_pointer_address.
Otherwise, the debug info is incorrect.  On its own, this is mostly
harmless, but the safe-stack also later inlines the call to
__safestack_pointer_address, which leads to debug info with the wrong
scope, which eventually causes an assertion failure (and incorrect debug
info in release mode).

Differential Revision: https://reviews.llvm.org/D51075

llvm-svn: 340651
2018-08-24 20:42:32 +00:00
Anna Zaks
cad7994c3b [safestack] Make sure the unsafe stack pointer is popped in all cases
The unsafe stack pointer is only popped in moveStaticAllocasToUnsafeStack so it won't happen if there are no static allocas.

Fixes https://llvm.org/bugs/show_bug.cgi?id=26122

Differential Revision: http://reviews.llvm.org/D16339

llvm-svn: 259447
2016-02-02 01:03:11 +00:00
Evgeniy Stepanov
8685daf23e [safestack] Fix compiler crash in the presence of stack restores.
A use can be emitted before def in a function with stack restore
points but no static allocas.

llvm-svn: 248455
2015-09-24 01:23:51 +00:00
Evgeniy Stepanov
a2002b08f7 Android support for SafeStack.
Add two new ways of accessing the unsafe stack pointer:

* At a fixed offset from the thread TLS base. This is very similar to
  StackProtector cookies, but we plan to extend it to other backends
  (ARM in particular) soon. Bionic-side implementation here:
  https://android-review.googlesource.com/170988.
* Via a function call, as a fallback for platforms that provide
  neither a fixed TLS slot, nor a reasonable TLS implementation (i.e.
  not emutls).

This is a re-commit of a change in r248357 that was reverted in
r248358.

llvm-svn: 248405
2015-09-23 18:07:56 +00:00