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llvm-project/llvm/test/BugPoint/named-md.ll

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[bugpoint] Avoid noisy errors by passing a valid opt to tests If the tests don't use the in-tree opt, we're liable to see some silly error messages due to the version mismatch (missing flags, etc). llvm-svn: 324703
2018-02-09 13:09:48 +08:00
; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crash-too-many-cus -silence-passes -disable-strip-debuginfo --opt-command opt > /dev/null
[bugpoint] Add a named metadata (+their operands) reducer 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
2015-11-06 08:12:50 +08:00
; RUN: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
; RUN-DISABLE: bugpoint -disable-namedmd-remove -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crash-too-many-cus -silence-passes > /dev/null
; RUN-DISABLE: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
; REQUIRES: loadable_module
; CHECK: !llvm.dbg.cu = !{![[FIRST:[0-9]+]], ![[SECOND:[0-9]+]]}
; CHECK-DISABLE: !llvm.dbg.cu = !{![[FIRST:[0-9]+]], ![[SECOND:[0-9]+]],
; CHECK-DISABLE-SAME: ![[THIRD:[0-9]+]], ![[FOURTH:[0-9]+]], ![[FIFTH:[0-9]+]]}
!llvm.dbg.cu = !{!0, !1, !2, !3, !4, !5}
; CHECK-NOT: !named
; CHECK-DISABLE: !named
!named = !{!0, !1, !2, !3, !4, !5}
; CHECK: !llvm.module.flags = !{![[DIVERSION:[0-9]+]]}
!llvm.module.flags = !{!6, !7}
; CHECK-DAG: ![[FIRST]] = distinct !DICompileUnit(language: DW_LANG_Julia,
; CHECK-DAG: ![[SECOND]] = distinct !DICompileUnit(language: DW_LANG_Julia,
; CHECK-DAG: ![[DIVERSION]] = !{i32 2, !"Debug Info Version", i32 3}
; CHECK-DAG: !DIFile(filename: "a", directory: "b")
; 4 nodes survive. Due to renumbering !4 should not exist
; CHECK-NOT: !4
!0 = distinct !DICompileUnit(language: DW_LANG_Julia,
file: !8)
!1 = distinct !DICompileUnit(language: DW_LANG_Julia,
file: !8)
!2 = distinct !DICompileUnit(language: DW_LANG_Julia,
file: !8)
!3 = distinct !DICompileUnit(language: DW_LANG_Julia,
file: !8)
!4 = distinct !DICompileUnit(language: DW_LANG_Julia,
file: !8)
!5 = distinct !DICompileUnit(language: DW_LANG_Julia,
file: !8)
!6 = !{i32 2, !"Dwarf Version", i32 2}
!7 = !{i32 2, !"Debug Info Version", i32 3}
!8 = !DIFile(filename: "a", directory: "b")