forked from OSchip/llvm-project
75819aedf6
Currently each Function points to a DISubprogram and DISubprogram has a scope field. For member functions the scope is a DICompositeType. DIScopes point to the DICompileUnit to facilitate type uniquing. Distinct DISubprograms (with isDefinition: true) are not part of the type hierarchy and cannot be uniqued. This change removes the subprograms list from DICompileUnit and instead adds a pointer to the owning compile unit to distinct DISubprograms. This would make it easy for ThinLTO to strip unneeded DISubprograms and their transitively referenced debug info. Motivation ---------- Materializing DISubprograms is currently the most expensive operation when doing a ThinLTO build of clang. We want the DISubprogram to be stored in a separate Bitcode block (or the same block as the function body) so we can avoid having to expensively deserialize all DISubprograms together with the global metadata. If a function has been inlined into another subprogram we need to store a reference the block containing the inlined subprogram. Attached to https://llvm.org/bugs/show_bug.cgi?id=27284 is a python script that updates LLVM IR testcases to the new format. http://reviews.llvm.org/D19034 <rdar://problem/25256815> llvm-svn: 266446 |
||
---|---|---|
.. | ||
allocas.ll | ||
apelim.ll | ||
basic.ll | ||
cfg-hazards.ll | ||
comdat-ipo.ll | ||
contract-end-of-use-list.ll | ||
contract-marker.ll | ||
contract-storestrong-ivar.ll | ||
contract-storestrong.ll | ||
contract-testcases.ll | ||
contract.ll | ||
empty-block.ll | ||
ensure-that-exception-unwind-path-is-visited.ll | ||
escape.ll | ||
expand.ll | ||
gvn.ll | ||
intrinsic-use-isolated.ll | ||
intrinsic-use.ll | ||
invoke.ll | ||
move-and-form-retain-autorelease.ll | ||
move-and-merge-autorelease.ll | ||
nested.ll | ||
path-overflow.ll | ||
pointer-types.ll | ||
post-inlining.ll | ||
pr12270.ll | ||
provenance.ll | ||
retain-block-side-effects.ll | ||
retain-not-declared.ll | ||
rle-s2l.ll | ||
rv.ll | ||
split-backedge.ll | ||
tail-call-invariant-enforcement.ll | ||
unsafe-claim-rv.ll | ||
weak-contract.ll | ||
weak-copies.ll | ||
weak-dce.ll | ||
weak.ll |