forked from OSchip/llvm-project
814b8e91c7
As a follow-up to r246098, require `DISubprogram` definitions
(`isDefinition: true`) to be 'distinct'. Specifically, add an assembler
check, a verifier check, and bitcode upgrading logic to combat testcase
bitrot after the `DIBuilder` change.
While working on the testcases, I realized that
test/Linker/subprogram-linkonce-weak-odr.ll isn't relevant anymore. Its
purpose was to check for a corner case in PR22792 where two subprogram
definitions match exactly and share the same metadata node. The new
verifier check, requiring that subprogram definitions are 'distinct',
precludes that possibility.
I updated almost all the IR with the following script:
git grep -l -E -e '= !DISubprogram\(.* isDefinition: true' |
grep -v test/Bitcode |
xargs sed -i '' -e 's/= \(!DISubprogram(.*, isDefinition: true\)/= distinct \1/'
Likely some variant of would work for out-of-tree testcases.
llvm-svn: 246327
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|---|---|---|
| .. | ||
| 2009-01-25-SingleEntryPhi.ll | ||
| PhiRename-1.ll | ||
| PhiSelfReference-1.ll | ||
| alloca.ll | ||
| basic.ll | ||
| crash.ll | ||
| dbgvalue.ll | ||
| indirectbr.ll | ||
| multiple-exits.ll | ||
| nosimplifylatch.ll | ||
| oz-disable.ll | ||
| phi-duplicate.ll | ||
| pr2639.ll | ||
| pr22337.ll | ||
| preserve-loop-simplify.ll | ||
| preserve-scev.ll | ||
| simplifylatch.ll | ||