1; RUN: opt < %s -passes=sample-profile -sample-profile-file=%S/Inputs/entry_counts.prof -S | FileCheck %s 2 3; According to the profile, function empty() was called 13,293 times. 4; CHECK: {{.*}} = !{!"function_entry_count", i64 13294} 5 6define void @empty() #0 !dbg !4 { 7entry: 8 ret void, !dbg !9 9} 10 11; This function does not have profile, check if function_entry_count is -1 12; CHECK: {{.*}} = !{!"function_entry_count", i64 -1} 13define void @no_profile() #0 { 14entry: 15 ret void 16} 17 18attributes #0 = {"use-sample-profile"} 19 20!llvm.dbg.cu = !{!0} 21!llvm.module.flags = !{!6, !7} 22!llvm.ident = !{!8} 23 24!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) 25!1 = !DIFile(filename: "entry_counts.c", directory: ".") 26!2 = !{} 27!4 = distinct !DISubprogram(name: "empty", scope: !1, file: !1, line: 1, type: !5, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: false, unit: !0, retainedNodes: !2) 28!5 = !DISubroutineType(types: !2) 29!6 = !{i32 2, !"Dwarf Version", i32 4} 30!7 = !{i32 2, !"Debug Info Version", i32 3} 31!8 = !{!"clang version 3.7.0 (trunk 237249) (llvm/trunk 237261)"} 32!9 = !DILocation(line: 1, column: 15, scope: !4) 33