1 ; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s
3 ; Check that llvm.loop metadata extracted by CodeExtractor is updated so that
4 ; the debug locations it contains have the right scope.
6 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
7 target triple = "x86_64-apple-macosx10.14.0"
9 ; CHECK-LABEL: define {{.*}}@basic.cold.1
10 ; CHECK: br i1 {{.*}}, !llvm.loop [[LOOP_MD:![0-9]+]]
12 ; The scope for these debug locations should be @basic.cold.1, not @basic.
13 ; CHECK: [[SCOPE:![0-9]+]] = distinct !DISubprogram(name: "basic.cold.1"
14 ; CHECK: [[LOOP_MD]] = distinct !{[[LOOP_MD]], [[LINE:![0-9]+]], [[LINE]]}
15 ; CHECK: [[LINE]] = !DILocation(line: 1, column: 1, scope: [[SCOPE]])
17 define void @basic(i32* %p, i32 %k) !dbg !6 {
19 %cmp3 = icmp slt i32 0, %k
20 br i1 %cmp3, label %for.body.lr.ph, label %for.end
22 for.body.lr.ph: ; preds = %entry
25 for.body: ; preds = %for.body.lr.ph, %for.body
26 %i.05 = phi i32 [ 0, %for.body.lr.ph ], [ %inc, %for.body ]
27 %p.addr.04 = phi i32* [ %p, %for.body.lr.ph ], [ %incdec.ptr, %for.body ]
28 %incdec.ptr = getelementptr inbounds i32, i32* %p.addr.04, i32 1
29 store i32 %i.05, i32* %p.addr.04, align 4
30 %inc = add nsw i32 %i.05, 1
32 %cmp = icmp slt i32 %inc, %k
33 br i1 %cmp, label %for.body, label %for.cond.for.end_crit_edge, !llvm.loop !10
35 for.cond.for.end_crit_edge: ; preds = %for.body
38 for.end: ; preds = %for.cond.for.end_crit_edge, %entry
42 declare void @sink() cold
45 !llvm.debugify = !{!3, !4}
46 !llvm.module.flags = !{!5}
48 !0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
49 !1 = !DIFile(filename: "<stdin>", directory: "/")
53 !5 = !{i32 2, !"Debug Info Version", i32 3}
54 !6 = distinct !DISubprogram(name: "basic", linkageName: "basic", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
55 !7 = !DISubroutineType(types: !2)
57 !9 = !DILocation(line: 1, column: 1, scope: !6)
58 !10 = distinct !{!10, !9, !9}