1 ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/nolocinfo.prof -S -pass-remarks=sample-profile 2>&1 | FileCheck %s 2 3 define i32 @foo(i32 %i) !dbg !4 { 4 entry: 5 %i.addr = alloca i32, align 4 6 %0 = load i32, i32* %i.addr, align 4 7 %cmp = icmp sgt i32 %0, 1000 8 9 ; Remarks for conditional branches need debug location information for the 10 ; 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.end 14 15 if.then: 16 ret i32 0, !dbg !18 17 18 if.end: 19 ret i32 1 20 } 21 22 !llvm.dbg.cu = !{!0} 23 !llvm.module.flags = !{!8, !9} 24 !llvm.ident = !{!10} 25 26 !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: 1, enums: !2, subprograms: !3) 27 !1 = !DIFile(filename: "nolocinfo.c", directory: ".") 28 !2 = !{} 29 !3 = !{!4} 30 !4 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, flags: DIFlagPrototyped, isOptimized: false, 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
