1; RUN: opt -inline -S < %s | FileCheck %s
2
3target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
4
5; Function @bar contains instruction %cmp which is not associated to any debug
6; location. This test verifies that the inliner doesn't incorrectly attribute
7; the callsite debug location to %cmp.
8
9define i32 @bar(i32 %a, i32 %b) #0 !dbg !6 {
10entry:
11  %inc = add i32 %a, 1, !dbg !8
12  %cmp = icmp slt i32 %inc, %b
13  %select = select i1 %cmp, i32 %a, i32 %b, !dbg !8
14  ret i32 %select, !dbg !8
15}
16
17
18; CHECK-LABEL: define i32 @baz(
19; CHECK: entry:
20; CHECK:   %[[INC:[a-z0-9.]+]] = add i32 %a, 1, !dbg ![[DL:[0-9]+]]
21; CHECK:   %[[CMP:[a-z0-9.]+]] = icmp slt i32 %[[INC]], %b
22; CHECK-NOT: !dbg
23; CHECK:   %[[SELECT:[a-z0-9.]+]] = select i1 %[[CMP]], i32 %a, i32 %b, !dbg ![[DL]]
24;
25; ![[DL]] = !DILocation(line: 3, scope: !{{.*}}, inlinedAt: {{.*}})
26
27define i32 @baz(i32 %a, i32 %b) !dbg !9 {
28entry:
29  %call = tail call i32 @bar(i32 %a, i32 %b), !dbg !10
30  ret i32 %call, !dbg !10
31}
32
33attributes #0 = { alwaysinline }
34
35!llvm.dbg.cu = !{!0}
36!llvm.module.flags = !{!3, !4}
37
38!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: true, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
39!1 = !DIFile(filename: "test.c", directory: "")
40!2 = !{}
41!3 = !{i32 2, !"Dwarf Version", i32 4}
42!4 = !{i32 2, !"Debug Info Version", i32 3}
43!6 = distinct !DISubprogram(name: "bar", scope: !1, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
44!7 = !DISubroutineType(types: !2)
45!8 = !DILocation(line: 3, scope: !6)
46!9 = distinct !DISubprogram(name: "baz", scope: !1, file: !1, line: 11, type: !7, isLocal: false, isDefinition: true, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2)
47!10 = !DILocation(line: 12, scope: !9)
48