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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> git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@266446 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| 2007-01-31-RegInfoAssert.ll | ||
| 2007-02-02-JoinIntervalsCrash.ll | ||
| 2007-05-05-InvalidPushPop.ll | ||
| 2009-06-18-ThumbCommuteMul.ll | ||
| 2009-07-20-TwoAddrBug.ll | ||
| 2009-07-27-PEIAssert.ll | ||
| 2009-08-12-ConstIslandAssert.ll | ||
| 2009-08-12-RegInfoAssert.ll | ||
| 2009-08-20-ISelBug.ll | ||
| 2009-12-17-pre-regalloc-taildup.ll | ||
| 2010-06-18-SibCallCrash.ll | ||
| 2010-07-01-FuncAlign.ll | ||
| 2010-07-15-debugOrdering.ll | ||
| 2011-05-11-DAGLegalizer.ll | ||
| 2011-06-16-NoGPRs.ll | ||
| 2011-EpilogueBug.ll | ||
| 2012-04-26-M0ISelBug.ll | ||
| 2014-06-10-thumb1-ldst-opt-bug.ll | ||
| asmprinter-bug.ll | ||
| barrier.ll | ||
| copy_thumb.ll | ||
| cortex-m0-unaligned-access.ll | ||
| DbgValueOtherTargets.test | ||
| dyn-stackalloc.ll | ||
| fastcc.ll | ||
| fpconv.ll | ||
| fpow.ll | ||
| frame_thumb.ll | ||
| iabs.ll | ||
| inlineasm-imm-thumb.ll | ||
| inlineasm-thumb.ll | ||
| ispositive.ll | ||
| large-stack.ll | ||
| ldm-merge-call.ll | ||
| ldm-merge-struct.ll | ||
| ldm-stm-base-materialization-thumb2.ll | ||
| ldm-stm-base-materialization.ll | ||
| ldr_ext.ll | ||
| ldr_frame.ll | ||
| lit.local.cfg | ||
| long_shift.ll | ||
| long-setcc.ll | ||
| long.ll | ||
| mature-mc-support.ll | ||
| mul.ll | ||
| pop.ll | ||
| PR17309.ll | ||
| push.ll | ||
| rev.ll | ||
| segmented-stacks-dynamic.ll | ||
| segmented-stacks.ll | ||
| select.ll | ||
| sjljehprepare-lower-vector.ll | ||
| stack_guard_remat.ll | ||
| stack-access.ll | ||
| stack-coloring-without-frame-ptr.ll | ||
| stack-frame.ll | ||
| stm-merge.ll | ||
| thumb-imm.ll | ||
| thumb-ldm.ll | ||
| thumb-shrink-wrapping.ll | ||
| trap.ll | ||
| triple.ll | ||
| tst_teq.ll | ||
| unord.ll | ||
| vargs.ll | ||