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ec4a2d665c
Summary: Emit summaries for bitcode modules that are only destined for the regular LTO portion of the build so they can participate in summary-based dead stripping. This change reduces the size of a nacl_helper build with cfi-icall enabled by 7%, removing the majority of the overhead due to enabling cfi-icall. The cfi-icall size increase was caused by compiling in lots of unused code and cfi-icall generating jumptable references to unused symbols that could no longer be removed by -Wl,-gc-sections. Increasing the visibility of summary-based dead stripping prevented jumptable entries being created for unused symbols from the regular LTO portion of the build. Reviewers: pcc Reviewed By: pcc Subscribers: dschuff, mehdi_amini, inglorion, eraman, llvm-commits, kcc Differential Revision: https://reviews.llvm.org/D47594 llvm-svn: 333768 |
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| .. | ||
| Analysis | ||
| Assembler | ||
| Bindings | ||
| Bitcode | ||
| BugPoint | ||
| CodeGen | ||
| DebugInfo | ||
| Examples | ||
| ExecutionEngine | ||
| Feature | ||
| FileCheck | ||
| Instrumentation | ||
| Integer | ||
| JitListener | ||
| Linker | ||
| LTO | ||
| MC | ||
| Object | ||
| ObjectYAML | ||
| Other | ||
| SafepointIRVerifier | ||
| SymbolRewriter | ||
| TableGen | ||
| ThinLTO/X86 | ||
| tools | ||
| Transforms | ||
| Unit | ||
| Verifier | ||
| YAMLParser | ||
| .clang-format | ||
| CMakeLists.txt | ||
| lit.cfg.py | ||
| lit.site.cfg.py.in | ||
| TestRunner.sh | ||