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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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|---|---|---|
| .. | ||
| 2003-04-25-AssertFail.ll | ||
| 2003-05-12-PreheaderExitOfChild.ll | ||
| 2003-08-15-PreheadersFail.ll | ||
| 2003-12-10-ExitBlocksProblem.ll | ||
| 2004-02-05-DominatorInfoCorruption.ll | ||
| 2004-03-15-IncorrectDomUpdate.ll | ||
| 2004-04-01-IncorrectDomUpdate.ll | ||
| 2004-04-12-LoopSimplify-SwitchBackedges.ll | ||
| 2004-04-13-LoopSimplifyUpdateDomFrontier.ll | ||
| 2007-10-28-InvokeCrash.ll | ||
| 2010-07-15-IncorrectDomFrontierUpdate.ll | ||
| 2010-12-26-PHIInfiniteLoop.ll | ||
| 2011-12-14-LandingpadHeader.ll | ||
| 2012-03-20-indirectbr.ll | ||
| ashr-crash.ll | ||
| basictest.ll | ||
| dbg-loc.ll | ||
| dup-preds.ll | ||
| hardertest.ll | ||
| indirectbr-backedge.ll | ||
| indirectbr.ll | ||
| merge-exits.ll | ||
| notify-scev.ll | ||
| phi-node-simplify.ll | ||
| preserve-scev.ll | ||
| single-backedge.ll | ||
| unreachable-loop-pred.ll | ||