|  | ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/nolocinfo.prof -S -pass-remarks=sample-profile 2>&1 | FileCheck %s | 
|  | ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/nolocinfo.prof -S -pass-remarks=sample-profile 2>&1 | FileCheck %s | 
|  |  | 
|  | define i32 @foo(i32 %i)  !dbg !4 { | 
|  | entry: | 
|  | %i.addr = alloca i32, align 4 | 
|  | %0 = load i32, i32* %i.addr, align 4 | 
|  | %cmp = icmp sgt i32 %0, 1000 | 
|  |  | 
|  | ; Remarks for conditional branches need debug location information for the | 
|  | ; referring branch. When that is not present, the compiler should not abort. | 
|  | ; | 
|  | ; CHECK: remark: nolocinfo.c:3:5: most popular destination for conditional branches at <UNKNOWN LOCATION> | 
|  | br i1 %cmp, label %if.then, label %if.end | 
|  |  | 
|  | if.then: | 
|  | ret i32 0, !dbg !18 | 
|  |  | 
|  | if.end: | 
|  | ret i32 1 | 
|  | } | 
|  |  | 
|  | !llvm.dbg.cu = !{!0} | 
|  | !llvm.module.flags = !{!8, !9} | 
|  | !llvm.ident = !{!10} | 
|  |  | 
|  | !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) | 
|  | !1 = !DIFile(filename: "nolocinfo.c", directory: ".") | 
|  | !2 = !{} | 
|  | !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, retainedNodes: !2) | 
|  | !5 = !DISubroutineType(types: !6) | 
|  | !6 = !{!7, !7} | 
|  | !7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) | 
|  | !8 = !{i32 2, !"Dwarf Version", i32 4} | 
|  | !9 = !{i32 2, !"Debug Info Version", i32 3} | 
|  | !10 = !{!"clang version 3.8.0 (trunk 251335) (llvm/trunk 251344)"} | 
|  | !15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 2, column: 7) | 
|  | !18 = !DILocation(line: 3, column: 5, scope: !15) |