[SystemZ] Support builtin_{frame,return}_address() with non-zero argument #69405
Conversation
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
uweigand
reviewed
Oct 18, 2023
…ment When the code is built with -mbackchain, it is possible to retrieve the caller's frame and return addresses. GCC already can do this, add this support to Clang as well. Use RISCVTargetLowering and GCC's s390_return_addr_rtx() as inspiration. Add tests based on what GCC is emitting.
iii-i
force-pushed
the
systemz-unwind-backchain
branch
from
e9db07c to
b088e20
Compare
|
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
When the code is built with -mbackchain, it is possible to retrieve the caller's frame and return addresses. GCC already can do this, add this support to Clang as well. Use RISCVTargetLowering and GCC's s390_return_addr_rtx() as inspiration. Add tests based on what GCC is emitting.