Duncan P. N. Exon Smith eb70fd030a Revert "Fix overly aggressive type merging."
This reverts commit r222727, which causes LTO bootstrap failures.

Last passing @ r222698:
http://lab.llvm.org:8080/green/job/clang-Rlto_master_build/532/

First failing @ r222843:
http://lab.llvm.org:8080/green/job/clang-Rlto_master_build/533/

Internal bootstraps pointed at a much narrower range: r222725 is
passing, and r222731 is failing.

LTO crashes while handling libclang.dylib:
http://lab.llvm.org:8080/green/job/clang-Rlto_master_build/533/consoleFull#-158682280549ba4694-19c4-4d7e-bec5-911270d8a58c

    GEP is not of right type for indices!
      %InfoObj.i.i = getelementptr inbounds %"class.llvm::OnDiskIterableChainedHashTable"* %.lcssa, i64 0, i32 0, i32 4, !dbg !123627
     %"class.clang::serialization::reader::ASTIdentifierLookupTrait" = type { %"class.clang::ASTReader.31859"*, %"class.clang::serialization::ModuleFile.31870"*, %"class.clang::IdentifierInfo"* }LLVM ERROR: Broken function found, compilation aborted!
    clang: error: linker command failed with exit code 1 (use -v to see invocation)

Looks like the new algorithm doesn't merge types aggressively enough.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222895 91177308-0d34-0410-b5e6-96231b3b80d8
2014-11-27 17:01:10 +00:00
2014-11-26 02:57:33 +00:00
2014-11-27 00:15:21 +00:00
2014-04-07 03:57:04 +00:00
2014-10-16 22:48:02 +00:00
2014-03-12 22:40:22 +00:00
2014-04-26 19:05:45 +00:00

Low Level Virtual Machine (LLVM)
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