[PATCH] D126291: [flang][Driver] Update link job on windows

[Martin Storsjö via Phabricator via cfe-commits]

mstorsjo added a comment.

In D126291#3573937 <https://reviews.llvm.org/D126291#3573937>, @mmuetzel wrote:

> Ah ok. So instead of having `! REQUIRES:` lines, those tests should add `-target x86_64-windows-msvc` to the flang invocation?

Exactly

> On platforms that didn't build the necessary libraries (e.g., a GNU system not explicitly configured to build a cross-compiler for that target), linking will likely fail. I don't know what `FileCheck` is doing. Can it cope with that?

These tests don't try to run the full link command - the `-###` parameter means that it only prints what subcommands it would have executed. So on any system, you can run the codepath in clang that just prints that it should execute `link ... Fortran_main.lib`, even if `Fortran_main.lib` doesn't actually exist. This is the basis of how all of LLVM's shell tests work - you don't need to be able to execute the full compiler toolchain, but you can verify that each individual step does what it's supposed to do.


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  https://reviews.llvm.org/D126291/new/

https://reviews.llvm.org/D126291