8de4b13845
codegen-llvm: never combine DSOLocal and DllImport
Prevent DllImport from being attached to DSOLocal definitions in the LLVM IR. The combination makes no sense, since definitions local to the compilation unit will never be imported from external objects.
Additionally, LLVM will refuse the IR if it encounters the combination (introduced in [1]):
```
if (GV.hasDLLImportStorageClass())
Assert(!GV.isDSOLocal(),
"GlobalValue with DLLImport Storage is dso_local!", &GV);
```
Right now, codegen-llvm will only apply DllImport to constants and rely on call-stubs for functions. Hence, we simply extend the codegen of constants to skip DllImport for any local definitions.
This was discovered when switching the EFI targets to the static relocation model [2]. With this fixed, we can start another attempt at this.
[1]
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| .. | ||
| assembly | ||
| auxiliary | ||
| codegen | ||
| codegen-units | ||
| debuginfo | ||
| incremental | ||
| mir-opt | ||
| pretty | ||
| run-make | ||
| run-make-fulldeps | ||
| run-pass-valgrind | ||
| rustdoc | ||
| rustdoc-gui | ||
| rustdoc-js | ||
| rustdoc-js-std | ||
| rustdoc-json | ||
| rustdoc-ui | ||
| ui | ||
| ui-fulldeps | ||
| COMPILER_TESTS.md | ||