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0c1aee0b16
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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|---|---|---|
| .. | ||
| X86 | ||
| adaptive_global_redzones.ll | ||
| asan-vs-gvn.ll | ||
| basic.ll | ||
| debug_info_noninstrumented_alloca.ll | ||
| debug_info.ll | ||
| do-not-instrument-cstring.ll | ||
| do-not-instrument-internal-globals.ll | ||
| do-not-instrument-llvm-metadata-darwin.ll | ||
| do-not-instrument-llvm-metadata.ll | ||
| do-not-instrument-promotable-allocas.ll | ||
| do-not-touch-comdat-global.ll | ||
| do-not-touch-odr-global.ll | ||
| do-not-touch-threadlocal.ll | ||
| experiment-call.ll | ||
| experiment.ll | ||
| freebsd.ll | ||
| global_metadata.ll | ||
| instrument_global.ll | ||
| instrument_initializer_metadata.ll | ||
| instrument_load_then_store.ll | ||
| instrument-dynamic-allocas.ll | ||
| instrument-no-return.ll | ||
| instrument-stack.ll | ||
| instrumentation-with-call-threshold.ll | ||
| lifetime-uar.ll | ||
| lifetime.ll | ||
| localescape.ll | ||
| stack_dynamic_alloca.ll | ||
| stack_layout.ll | ||
| stack-poisoning.ll | ||
| test64.ll | ||
| ubsan.ll | ||