[PATCH] D26212: IRMover: Avoid accidentally mapping types from the destination module (PR30799)

[Mehdi AMINI via llvm-commits]

mehdi_amini added inline comments.


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Comment at: test/LTO/X86/type-mapping-bug.ll:3
+; RUN: llvm-as -o %t.src.bc %S/Inputs/type-mapping-src.ll
+; RUN: llvm-lto %t.dst.bc %t.src.bc -o=/dev/null
+
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pcc wrote:
> Would it be possible to write this test with `llvm-link` instead of `llvm-lto`?
Likely not. I fixed a similar issues in r280599 / D23841 and it requires the LLVMContext to be initialized with ODR type uniquing, which only happens in LTO. (We may be able to add an option to llvm-link, but we can't really test it as it is supposed to be "NFC").


https://reviews.llvm.org/D26212