These features require that all object files are compiled with the support. When
the feature is disabled for an object file, the merge behavior should treat the
file having a value of 0 (see D129911).
Reviewed By: xiangzhangllvm
Differential Revision: https://reviews.llvm.org/D130065
When assertions are enabled, clang will perform RoundTrip for CompilerInvocation argument generation. ibt-seal flags are currently missing in this argument generation, and because of that, the feature doesn't get enabled for these cases. Performing RoundTrip is the default for assert builds, rendering the feature broken in these scenarios.
This patch fixes this and adds a test to properly verify that modules are being generated with the flag when -mibt-seal is used.
Please, add any known relevant reviewer which I may have missed.
[1] - https://reviews.llvm.org/D116070
Reviewed By: pengfei, gftg, aaron.ballman, nickdesaulniers
Differential Revision: https://reviews.llvm.org/D118052
Discussed with @craig.topper and @spatel - this is to try and tidyup the codegen folder and move the x86 specific tests (as opposed to general tests that just happen to use x86 triples) into subfolders. Its up to other targets if they follow suit.
It also helps speed up test iterations as using wildcards on lit commands often misses some filenames.
Fangrui Song