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1; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/nolocinfo.prof -S -pass-remarks=sample-profile 2>&1 | FileCheck %s2 3define i32 @foo(i32 %i) #0 !dbg !4 {4entry:5 %i.addr = alloca i32, align 46 %0 = load i32, ptr %i.addr, align 47 %cmp = icmp sgt i32 %0, 10008 9; Remarks for conditional branches need debug location information for the10; referring branch. When that is not present, the compiler should not abort.11;12; CHECK: remark: nolocinfo.c:3:5: most popular destination for conditional branches at <UNKNOWN LOCATION>13 br i1 %cmp, label %if.then, label %if.end14 15if.then:16 ret i32 0, !dbg !1817 18if.end:19 ret i32 120}21 22attributes #0 = { "use-sample-profile" }23 24!llvm.dbg.cu = !{!0}25!llvm.module.flags = !{!8, !9}26!llvm.ident = !{!10}27 28!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)29!1 = !DIFile(filename: "nolocinfo.c", directory: ".")30!2 = !{}31!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)32!5 = !DISubroutineType(types: !6)33!6 = !{!7, !7}34!7 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)35!8 = !{i32 2, !"Dwarf Version", i32 4}36!9 = !{i32 2, !"Debug Info Version", i32 3}37!10 = !{!"clang version 3.8.0 (trunk 251335) (llvm/trunk 251344)"}38!15 = distinct !DILexicalBlock(scope: !4, file: !1, line: 2, column: 7)39!18 = !DILocation(line: 3, column: 5, scope: !15)40