1 ; RUN: opt < %s -add-discriminators -S | FileCheck %s
3 ; Generated at -O3 from:
4 ; g();f(){for(;;){g();}}g(){__builtin___memset_chk(0,0,0,__builtin_object_size(1,0));}
5 ; The fact that everything is on one line is significant!
7 ; This test ensures that inline info isn't dropped even if the call site and the
8 ; inlined function are defined on the same line.
9 source_filename = "t.c"
10 target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
11 target triple = "arm64-apple-ios"
13 ; Function Attrs: noreturn nounwind ssp
14 define i32 @f() local_unnamed_addr #0 !dbg !7 {
16 %0 = tail call i64 @llvm.objectsize.i64.p0i8(i8* inttoptr (i64 1 to i8*), i1 false) #2, !dbg !11
17 br label %for.cond, !dbg !18
19 for.cond: ; preds = %for.cond, %entry
21 %call.i = tail call i8* @__memset_chk(i8* null, i32 0, i64 0, i64 %0) #2, !dbg !19
22 ; CHECK: br label %for.cond, !dbg ![[BR:[0-9]+]]
23 br label %for.cond, !dbg !20, !llvm.loop !21
26 ; Function Attrs: nounwind ssp
27 define i32 @g() local_unnamed_addr #1 !dbg !12 {
29 %0 = tail call i64 @llvm.objectsize.i64.p0i8(i8* inttoptr (i64 1 to i8*), i1 false), !dbg !22
30 %call = tail call i8* @__memset_chk(i8* null, i32 0, i64 0, i64 %0) #2, !dbg !23
31 ret i32 undef, !dbg !24
34 ; Function Attrs: nounwind
35 declare i8* @__memset_chk(i8*, i32, i64, i64) local_unnamed_addr #2
37 ; Function Attrs: nounwind readnone
38 declare i64 @llvm.objectsize.i64.p0i8(i8*, i1) #3
40 attributes #0 = { noreturn nounwind ssp }
41 attributes #1 = { nounwind ssp }
42 attributes #2 = { nounwind }
43 attributes #3 = { nounwind readnone }
46 !llvm.module.flags = !{!3, !4, !5}
49 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "LLVM version 4.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
50 !1 = !DIFile(filename: "t.c", directory: "/")
52 !3 = !{i32 2, !"Dwarf Version", i32 4}
53 !4 = !{i32 2, !"Debug Info Version", i32 3}
54 !5 = !{i32 1, !"PIC Level", i32 2}
55 !6 = !{!"LLVM version 4.0.0"}
56 ; CHECK: ![[F:.*]] = distinct !DISubprogram(name: "f",
57 !7 = distinct !DISubprogram(name: "f", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !2)
58 !8 = !DISubroutineType(types: !9)
60 !10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
61 !11 = !DILocation(line: 1, column: 56, scope: !12, inlinedAt: !13)
62 !12 = distinct !DISubprogram(name: "g", scope: !1, file: !1, line: 1, type: !8, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, unit: !0, retainedNodes: !2)
63 !13 = distinct !DILocation(line: 1, column: 17, scope: !14)
64 ; CHECK: ![[BF:.*]] = !DILexicalBlockFile(scope: ![[LB1:[0-9]+]],
65 ; CHECK-SAME: discriminator: 2)
66 !14 = !DILexicalBlockFile(scope: !15, file: !1, discriminator: 2)
67 ; CHECK: ![[LB1]] = distinct !DILexicalBlock(scope: ![[LB2:[0-9]+]],
68 ; CHECK-SAME: line: 1, column: 16)
69 !15 = distinct !DILexicalBlock(scope: !16, file: !1, line: 1, column: 16)
70 ; CHECK: ![[LB2]] = distinct !DILexicalBlock(scope: ![[LB3:[0-9]+]],
71 ; CHECK-SAME: line: 1, column: 9)
72 !16 = distinct !DILexicalBlock(scope: !17, file: !1, line: 1, column: 9)
73 ; CHECK: ![[LB3]] = distinct !DILexicalBlock(scope: ![[F]],
74 ; CHECK-SAME: line: 1, column: 9)
75 !17 = distinct !DILexicalBlock(scope: !7, file: !1, line: 1, column: 9)
76 !18 = !DILocation(line: 1, column: 9, scope: !7)
77 !19 = !DILocation(line: 1, column: 27, scope: !12, inlinedAt: !13)
78 ; CHECK: ![[BR]] = !DILocation(line: 1, column: 9, scope: !14)
79 !20 = !DILocation(line: 1, column: 9, scope: !14)
80 !21 = distinct !{!21, !18}
81 !22 = !DILocation(line: 1, column: 56, scope: !12)
82 !23 = !DILocation(line: 1, column: 27, scope: !12)
83 !24 = !DILocation(line: 1, column: 84, scope: !12)