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 |
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| .. | ||
| AArch64 | ||
| ARM | ||
| COFF | ||
| Generic | ||
| Inputs | ||
| Lanai | ||
| MIR | ||
| Mips | ||
| PDB | ||
| PowerPC | ||
| Sparc | ||
| SystemZ | ||
| X86 | ||
| arm-relocs.test | ||
| debuglineinfo-macho.test | ||
| debuglineinfo.test | ||
| debugmacinfo.test | ||
| dwarfdump-64-bit-dwarf.test | ||
| dwarfdump-accel.test | ||
| dwarfdump-debug-frame-simple.test | ||
| dwarfdump-debug-loc-simple.test | ||
| dwarfdump-dump-flags.test | ||
| dwarfdump-dwp.test | ||
| dwarfdump-invalid.test | ||
| dwarfdump-line-dwo.test | ||
| dwarfdump-macho-relocs.test | ||
| dwarfdump-macho-universal.test | ||
| dwarfdump-objc.test | ||
| dwarfdump-pubnames.test | ||
| dwarfdump-ranges.test | ||
| dwarfdump-type-units.test | ||
| dwarfdump-zlib.test | ||
| dwo.ll | ||
| llvm-symbolizer-zlib.test | ||
| llvm-symbolizer.test | ||
| member-pointers.o | ||
| missing-abstract-variable.o | ||
| skeletoncu.ll | ||