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; RUN: llc < %s | FileCheck %s
; This is mainly a crasher for the revert in r234717. A debug info intrinsic
; that gets deleted can't have its bit piece expression verified after it's
; deleted.
target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-apple-macosx10.8.0"
; CHECK: __Z3foov:
; CHECK: retq
define void @_Z3foov() {
entry:
br i1 undef, label %exit, label %bb
bb: ; preds = %entry
call void @llvm.dbg.value(metadata i8* undef, i64 0, metadata !15, metadata !16), !dbg !17
br label %exit
exit: ; preds = %bb, %entry
ret void
}
declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
!llvm.module.flags = !{!0, !1}
!llvm.dbg.cu = !{!2}
!0 = !{i32 2, !"Dwarf Version", i32 2}
!1 = !{i32 2, !"Debug Info Version", i32 3}
!2 = !MDCompileUnit(language: DW_LANG_C_plus_plus, file: !3, isOptimized: true, runtimeVersion: 0, emissionKind: 1, enums: !4, retainedTypes: !5, subprograms: !11, globals: !4, imports: !4)
!3 = !MDFile(filename: "foo.cpp", directory: "/path/to/dir")
!4 = !{}
!5 = !{!6}
!6 = !MDCompositeType(tag: DW_TAG_structure_type, name: "Class", size: 64, align: 64, elements: !7, identifier: "_ZT5Class")
!7 = !{!8, !10}
!8 = !MDDerivedType(tag: DW_TAG_member, name: "a", scope: !"_ZT5Class", baseType: !9, size: 32, align: 32)
!9 = !MDBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!10 = !MDDerivedType(tag: DW_TAG_member, name: "b", scope: !"_ZT5Class", baseType: !9, size: 32, align: 32)
!11 = !{!12}
!12 = !MDSubprogram(name: "foo", scope: null, file: !3, type: !13, isLocal: false, isDefinition: true, isOptimized: false, function: void ()* @_Z3foov)
!13 = !MDSubroutineType(types: !14)
!14 = !{null}
!15 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "v", scope: !12, type: !"_ZT5Class")
!16 = !MDExpression(DW_OP_bit_piece, 32, 32)
!17 = !MDLocation(line: 2755, column: 9, scope: !12)
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