1 ; RUN: opt < %s -sample-profile -sample-profile-file=%S/Inputs/entry_counts.prof -S | FileCheck %s 2 ; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/entry_counts.prof -S | FileCheck %s 3 4 ; According to the profile, function empty() was called 13,293 times. 5 ; CHECK: {{.*}} = !{!"function_entry_count", i64 13293} 6 7 define void @empty() !dbg !4 { 8 entry: 9 ret void, !dbg !9 10 } 11 12 ; This function does not have profile, check if function_entry_count is 0 13 ; CHECK: {{.*}} = !{!"function_entry_count", i64 0} 14 define void @no_profile() { 15 entry: 16 ret void 17 } 18 19 !llvm.dbg.cu = !{!0} 20 !llvm.module.flags = !{!6, !7} 21 !llvm.ident = !{!8} 22 23 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 237249) (llvm/trunk 237261)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 24 !1 = !DIFile(filename: "entry_counts.c", directory: ".") 25 !2 = !{} 26 !4 = distinct !DISubprogram(name: "empty", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, variables: !2) 27 !5 = !DISubroutineType(types: !2) 28 !6 = !{i32 2, !"Dwarf Version", i32 4} 29 !7 = !{i32 2, !"Debug Info Version", i32 3} 30 !8 = !{!"clang version 3.7.0 (trunk 237249) (llvm/trunk 237261)"} 31 !9 = !DILocation(line: 1, column: 15, scope: !4) 32