Commit Graph

6 Commits

Author SHA1 Message Date
CJ Johnson 69cd776e1e [CodeGen] Apply 'nonnull' and 'dereferenceable(N)' to 'this' pointer
arguments.

* Adds 'nonnull' and 'dereferenceable(N)' to 'this' pointer arguments
* Gates 'nonnull' on -f(no-)delete-null-pointer-checks
* Introduces this-nonnull.cpp and microsoft-abi-this-nullable.cpp tests to
  explicitly test the behavior of this change
* Refactors hundreds of over-constrained clang tests to permit these
  attributes, where needed
* Updates Clang12 patch notes mentioning this change

Reviewed-by: rsmith, jdoerfert

Differential Revision: https://reviews.llvm.org/D17993
2020-11-16 17:39:17 -08:00
Peter Collingbourne 2849c4e841 CodeGen: New vtable group representation: struct of vtable arrays.
In a future change, this representation will allow us to use the new inrange
annotation on getelementptr to allow the optimizer to split vtable groups.

Differential Revision: https://reviews.llvm.org/D22296

llvm-svn: 289584
2016-12-13 20:40:39 +00:00
David Blaikie bdf40a62a7 Test case updates for explicit type parameter to the gep operator
llvm-svn: 232187
2015-03-13 18:21:46 +00:00
Nico Weber fe0053eb42 Reword comment.
llvm-svn: 227069
2015-01-26 03:03:49 +00:00
Nico Weber 99e05d02cb Test that qualified virtual calls mark vtables referenced in apple kext mode.
I broke this locally while working on PR20337 and no test caught that.  Now
there's coverage for this, and a comment explaining why this is needed.

llvm-svn: 227068
2015-01-26 02:59:07 +00:00
Nico Weber a24b299c00 Rename four test files from .C to .cpp.
lit.cfg has never supported running .C files, so these tests were never
executed by check-clang.  Rename them to .cpp so that they run as part of
the test suite, and minorly tweak two of them that look like they were broken
when checked in to actually pass.

llvm-svn: 227029
2015-01-25 02:04:36 +00:00