1; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/nolocinfo.prof -S -pass-remarks=sample-profile 2>&1 | FileCheck %s
2; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/nolocinfo.prof -S -pass-remarks=sample-profile 2>&1 | FileCheck %s
3
4define i32 @foo(i32 %i)  !dbg !4 {
5entry:
6  %i.addr = alloca i32, align 4
7  %0 = load i32, i32* %i.addr, align 4
8  %cmp = icmp sgt i32 %0, 1000
9
10; Remarks for conditional branches need debug location information for the
11; referring branch. When that is not present, the compiler should not abort.
12;
13; CHECK: remark: nolocinfo.c:3:5: most popular destination for conditional branches at <UNKNOWN LOCATION>
14  br i1 %cmp, label %if.then, label %if.end
15
16if.then:
17  ret i32 0, !dbg !18
18
19if.end:
20  ret i32 1
21}
22
23!llvm.dbg.cu = !{!0}
24!llvm.module.flags = !{!8, !9}
25!llvm.ident = !{!10}
26
27!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.8.0 (trunk 251335) (llvm/trunk 251344)", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2)
28!1 = !DIFile(filename: "nolocinfo.c", directory: ".")
29!2 = !{}
30!4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
31!5 = !DISubroutineType(types: !6)
32!6 = !{!7, !7}
33!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
34!8 = !{i32 2, !"Dwarf Version", i32 4}
35!9 = !{i32 2, !"Debug Info Version", i32 3}
36!10 = !{!"clang version 3.8.0 (trunk 251335) (llvm/trunk 251344)"}
37!15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 2, column: 7)
38!18 = !DILocation(line: 3, column: 5, scope: !15)
39