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Previously, subprograms contained a metadata reference to the function they described. Because most clients need to get or set a subprogram for a given function rather than the other way around, this created unneeded inefficiency. For example, many passes needed to call the function llvm::makeSubprogramMap() to build a mapping from functions to subprograms, and the IR linker needed to fix up function references in a way that caused quadratic complexity in the IR linking phase of LTO. This change reverses the direction of the edge by storing the subprogram as function-level metadata and removing DISubprogram's function field. Since this is an IR change, a bitcode upgrade has been provided. Fixes PR23367. An upgrade script for textual IR for out-of-tree clients is attached to the PR. Differential Revision: http://reviews.llvm.org/D14265 llvm-svn: 252219 |
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| .. | ||
| apple-version | ||
| 2003-01-30-LinkerRename.ll | ||
| 2003-05-31-LinkerRename.ll | ||
| alias.ll | ||
| alignment.ll | ||
| basiclink.a.ll | ||
| basiclink.b.ll | ||
| comdat2.ll | ||
| comdat3.ll | ||
| comdat4.ll | ||
| comdat5.ll | ||
| comdat8.ll | ||
| comdat.ll | ||
| ConstantGlobals.ll | ||
| constructor-comdat.ll | ||
| ctors.ll | ||
| datalayout-a.ll | ||
| datalayout-b.ll | ||
| distinct.ll | ||
| drop-debug.bc | ||
| funcimport.ll | ||
| ident.a.ll | ||
| ident.b.ll | ||
| linkage2.ll | ||
| linkage.a.ll | ||
| linkage.b.ll | ||
| linkage.c.ll | ||
| mdlocation.ll | ||
| metadata-function.ll | ||
| module-flags-dont-change-others.ll | ||
| module-flags-pic-1-b.ll | ||
| module-flags-pic-2-b.ll | ||
| old_global_ctors.3.4.bc | ||
| opaque.ll | ||
| override-different-linkage.ll | ||
| override-with-internal-linkage-2.ll | ||
| override-with-internal-linkage.ll | ||
| override.ll | ||
| pr21374.ll | ||
| pr22807-1.ll | ||
| pr22807-2.ll | ||
| PR8300.a.ll | ||
| PR8300.b.ll | ||
| PR11464.a.ll | ||
| PR11464.b.ll | ||
| redefinition.ll | ||
| replaced-function-matches-first-subprogram.ll | ||
| subprogram-linkonce-weak.ll | ||
| targettriple-a.ll | ||
| targettriple-b.ll | ||
| targettriple-c.ll | ||
| testlink.ll | ||
| type-unique-alias.ll | ||
| type-unique-dst-types2.ll | ||
| type-unique-dst-types3.ll | ||
| type-unique-inheritance-a.ll | ||
| type-unique-inheritance-b.ll | ||
| type-unique-name.ll | ||
| type-unique-opaque.ll | ||
| type-unique-simple2-a.ll | ||
| type-unique-simple2-b.ll | ||
| type-unique-unrelated2.ll | ||
| type-unique-unrelated3.ll | ||
| unique-fwd-decl-b.ll | ||
| unique-fwd-decl-order.ll | ||
| visibility.ll | ||