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b0714e5bf7
Summary: We frequently run bugpoint on a linked module that consists of all modules we create while jitting the julia standard library. This module has a very large number of compile units (10000+) in `llvm.dbg.cu`, which didn't get reduced at all, requiring manual post processing. This is an attempt to have bugpoint go through and attempt to reduce the number of global named metadata nodes as well as their operands, to cut down the number of roots for such metadata. Reviewers: dexonsmith, reames, pete Subscribers: pete, dexonsmith, reames, llvm-commits Differential Revision: http://reviews.llvm.org/D14043 llvm-svn: 252247
40 lines
1.9 KiB
LLVM
40 lines
1.9 KiB
LLVM
; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crash-too-many-cus -silence-passes > /dev/null
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; RUN: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
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; RUN-DISABLE: bugpoint -disable-namedmd-remove -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crash-too-many-cus -silence-passes > /dev/null
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; RUN-DISABLE: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
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; REQUIRES: loadable_module
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; CHECK: !llvm.dbg.cu = !{![[FIRST:[0-9]+]], ![[SECOND:[0-9]+]]}
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; CHECK-DISABLE: !llvm.dbg.cu = !{![[FIRST:[0-9]+]], ![[SECOND:[0-9]+]],
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; CHECK-DISABLE-SAME: ![[THIRD:[0-9]+]], ![[FOURTH:[0-9]+]], ![[FIFTH:[0-9]+]]}
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!llvm.dbg.cu = !{!0, !1, !2, !3, !4, !5}
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; CHECK-NOT: !named
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; CHECK-DISABLE: !named
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!named = !{!0, !1, !2, !3, !4, !5}
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; CHECK: !llvm.module.flags = !{![[DIVERSION:[0-9]+]]}
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!llvm.module.flags = !{!6, !7}
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; CHECK-DAG: ![[FIRST]] = distinct !DICompileUnit(language: DW_LANG_Julia,
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; CHECK-DAG: ![[SECOND]] = distinct !DICompileUnit(language: DW_LANG_Julia,
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; CHECK-DAG: ![[DIVERSION]] = !{i32 2, !"Debug Info Version", i32 3}
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; CHECK-DAG: !DIFile(filename: "a", directory: "b")
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; 4 nodes survive. Due to renumbering !4 should not exist
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; CHECK-NOT: !4
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!0 = distinct !DICompileUnit(language: DW_LANG_Julia,
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file: !8)
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!1 = distinct !DICompileUnit(language: DW_LANG_Julia,
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file: !8)
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!2 = distinct !DICompileUnit(language: DW_LANG_Julia,
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file: !8)
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!3 = distinct !DICompileUnit(language: DW_LANG_Julia,
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file: !8)
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!4 = distinct !DICompileUnit(language: DW_LANG_Julia,
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file: !8)
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!5 = distinct !DICompileUnit(language: DW_LANG_Julia,
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file: !8)
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!6 = !{i32 2, !"Dwarf Version", i32 2}
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!7 = !{i32 2, !"Debug Info Version", i32 3}
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!8 = !DIFile(filename: "a", directory: "b")
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