1 ; RUN: %llc_dwarf -filetype=obj < %s | llvm-dwarfdump -v - | FileCheck %s
2 ; Generated at -O2 from:
17 ; The constant should NOT be available for the entire function.
18 ; CHECK-NOT: DW_AT_const_value
19 ; CHECK: .debug_loc contents:
20 ; CHECK-NEXT: 0x00000000:
21 ; CHECK-NEXT: {{.*}}: DW_OP_lit1, DW_OP_stack_value
23 source_filename = "test.ii"
24 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
25 target triple = "x86_64-apple-macosx10.12.0"
27 ; Function Attrs: noimplicitfloat noredzone nounwind optsize
28 define zeroext i1 @_Z5startv() local_unnamed_addr #0 !dbg !7 {
30 %call = tail call zeroext i1 @_Z1cv() #3, !dbg !13
31 %call1 = tail call zeroext i1 @_Z1cv() #3, !dbg !14
32 br i1 %call1, label %if.end, label %exit, !dbg !16
34 if.end: ; preds = %entry
35 tail call void @_Z1fv() #3, !dbg !17
36 tail call void @llvm.dbg.value(metadata i8 1, metadata !12, metadata !18), !dbg !19
37 br label %exit, !dbg !20
39 exit: ; preds = %entry, %if.end
40 %result.0 = phi i1 [ true, %if.end ], [ false, %entry ]
41 ret i1 %result.0, !dbg !21
44 ; Function Attrs: noimplicitfloat noredzone optsize
45 declare zeroext i1 @_Z1cv() local_unnamed_addr #1
47 ; Function Attrs: noimplicitfloat noredzone optsize
48 declare void @_Z1fv() local_unnamed_addr #1
50 ; Function Attrs: nounwind readnone speculatable
51 declare void @llvm.dbg.value(metadata, metadata, metadata) #2
53 attributes #0 = { noimplicitfloat noredzone nounwind optsize }
54 attributes #1 = { noimplicitfloat noredzone optsize }
55 attributes #2 = { nounwind readnone speculatable }
56 attributes #3 = { nobuiltin noimplicitfloat noredzone nounwind optsize }
59 !llvm.module.flags = !{!3, !4, !5}
62 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0 (trunk 303873) (llvm/trunk 303897)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
63 !1 = !DIFile(filename: "test.ii", directory: "/")
65 !3 = !{i32 2, !"Dwarf Version", i32 4}
66 !4 = !{i32 2, !"Debug Info Version", i32 3}
67 !5 = !{i32 1, !"wchar_size", i32 4}
68 !6 = !{!"clang version 5.0.0 (trunk 303873) (llvm/trunk 303897)"}
69 !7 = distinct !DISubprogram(name: "start", linkageName: "_Z5startv", scope: !1, file: !1, line: 3, type: !8, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !11)
70 !8 = !DISubroutineType(types: !9)
72 !10 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
74 !12 = !DILocalVariable(name: "result", scope: !7, file: !1, line: 4, type: !10)
75 !13 = !DILocation(line: 4, column: 17, scope: !7)
76 !14 = !DILocation(line: 5, column: 8, scope: !15)
77 !15 = distinct !DILexicalBlock(scope: !7, file: !1, line: 5, column: 7)
78 !16 = !DILocation(line: 5, column: 7, scope: !7)
79 !17 = !DILocation(line: 9, column: 3, scope: !7)
81 !19 = !DILocation(line: 4, column: 8, scope: !7)
82 !20 = !DILocation(line: 10, column: 3, scope: !7)
83 !21 = !DILocation(line: 12, column: 3, scope: !7)