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5f220beefc
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 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@252219 91177308-0d34-0410-b5e6-96231b3b80d8 |
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| .. | ||
| 2006-06-27-struct-ret.ll | ||
| 2007-02-07-FuncRename.ll | ||
| 2007-10-18-VarargsReturn.ll | ||
| 2007-12-20-ParamAttrs.ll | ||
| 2008-01-16-VarargsParamAttrs.ll | ||
| 2008-06-23-DeadAfterLive.ll | ||
| 2009-03-17-MRE-Invoke.ll | ||
| 2010-04-30-DbgInfo.ll | ||
| 2013-05-17-VarargsAndBlockAddress.ll | ||
| aggregates.ll | ||
| basictest.ll | ||
| canon.ll | ||
| dbginfo.ll | ||
| dead_vaargs.ll | ||
| deadexternal.ll | ||
| deadretval2.ll | ||
| deadretval.ll | ||
| keepalive.ll | ||
| linkage.ll | ||
| multdeadretval.ll | ||
| naked_functions.ll | ||
| returned.ll | ||
| variadic_safety.ll | ||