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llvm-mirror/test/BugPoint/metadata.ll
Florian Hahn a69a09c04c [bugpoint] Reduce metadata that does not contribute to crash.
Add a new reducer that drops metadata that does not contribute to the
crash from instructions.

It adjusts the metadata.ll test case, as now also the instruction level
metadata will get dropped.

Reviewers: davide, reames, modocache

Reviewed By: reames

Differential Revision: https://reviews.llvm.org/D69234
2019-10-30 15:11:56 +00:00

55 lines
2.2 KiB
LLVM

; REQUIRES: plugins
; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t -bugpoint-crashcalls -silence-passes -disable-namedmd-remove -disable-strip-debuginfo -disable-strip-debug-types > /dev/null
; RUN: llvm-dis %t-reduced-simplified.bc -o - | FileCheck %s
;
; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t-nodebug -bugpoint-crashcalls -silence-passes -disable-namedmd-remove > /dev/null
; RUN: llvm-dis %t-nodebug-reduced-simplified.bc -o - | FileCheck %s --check-prefix=NODEBUG
;
; RUN: bugpoint -load %llvmshlibdir/BugpointPasses%shlibext %s -output-prefix %t-notype -bugpoint-crashcalls -silence-passes -disable-namedmd-remove -disable-strip-debuginfo > /dev/null
; RUN: llvm-dis %t-notype-reduced-simplified.bc -o - | FileCheck %s --check-prefix=NOTYPE
;
; Bugpoint can drop the metadata on the call, as it does not contrinute to the crash.
; CHECK: call void @foo()
; NODEBUG: call void @foo()
; NOTYPE: call void @foo()
; NODEBUG-NOT: call void @foo()
; NOTYPE-NOT: !DIBasicType
; NOTYPE: !DICompileUnit
; NOTYPE-NOT: !DIBasicType
%rust_task = type {}
define void @test(i32* %a, i8* %b) !dbg !9 {
%s = mul i8 22, 9, !attach !0, !dbg !10
store i8 %s, i8* %b, !attach !1, !dbg !11
call void @foo(), !attach !2, !dbg !12
store i32 7, i32* %a, !attach !3, !dbg !13
%t = add i32 0, 5, !attach !4, !dbg !14
ret void
}
declare void @foo()
!llvm.module.flags = !{!17}
!llvm.dbg.cu = !{!8}
!0 = !{!"boring"}
!1 = !{!"uninteresting"}
!2 = !{!"the call to foo"}
!3 = !{!"noise"}
!4 = !{!"filler"}
!8 = distinct !DICompileUnit(language: DW_LANG_C99, file: !15)
!9 = distinct !DISubprogram(name: "test", file: !15, type: !18, unit: !8)
!10 = !DILocation(line: 100, column: 101, scope: !9)
!11 = !DILocation(line: 102, column: 103, scope: !9)
!12 = !DILocation(line: 104, column: 105, scope: !9)
!13 = !DILocation(line: 106, column: 107, scope: !9)
!14 = !DILocation(line: 108, column: 109, scope: !9)
!15 = !DIFile(filename: "source.c", directory: "/dir")
!16 = !{}
!17 = !{i32 1, !"Debug Info Version", i32 3}
!18 = !DISubroutineType(types: !19)
!19 = !{!20, !20}
!20 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)