1; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/function_metadata.prof -S | FileCheck %s 2; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/function_metadata.compact.afdo -S | FileCheck %s 3 4; Tests whether the functions in the inline stack are added to the 5; function_entry_count metadata. 6 7declare void @foo() 8 9declare void @bar() 10 11declare !dbg !13 void @bar_dbg() 12 13define void @bar_available() #0 !dbg !14 { 14 ret void 15} 16 17; CHECK: define void @test({{.*}} !prof ![[ENTRY_TEST:[0-9]+]] 18define void @test(void ()*) #0 !dbg !7 { 19 %2 = alloca void ()* 20 store void ()* %0, void ()** %2 21 %3 = load void ()*, void ()** %2 22 ; CHECK: call {{.*}}, !prof ![[PROF:[0-9]+]] 23 call void @foo(), !dbg !18 24 call void %3(), !dbg !19 25 ret void 26} 27 28; CHECK: define void @test_liveness({{.*}} !prof ![[ENTRY_TEST_LIVENESS:[0-9]+]] 29define void @test_liveness() #0 !dbg !12 { 30 call void @foo(), !dbg !20 31 ret void 32} 33 34; GUIDs of foo, bar, foo1, foo2 and foo3 should be included in the metadata to 35; make sure hot inline stacks are imported. The total count of baz is lower 36; than the hot cutoff threshold and its GUID should not be included in the 37; metadata. 38; CHECK: ![[ENTRY_TEST]] = !{!"function_entry_count", i64 1, i64 2494702099028631698, i64 6699318081062747564, i64 7682762345278052905, i64 -7908226060800700466, i64 -2012135647395072713} 39 40; Check GUIDs for foo, bar and bar_dbg are included in the metadata to 41; make sure the liveness analysis can capture the dependency from test_liveness 42; to bar. bar_available should not be included as it's within the same module. 43; CHECK: ![[ENTRY_TEST_LIVENESS]] = !{!"function_entry_count", i64 1, i64 6699318081062747564, i64 -2012135647395072713, i64 -1522495160813492905} 44 45attributes #0 = {"use-sample-profile"} 46 47!llvm.dbg.cu = !{!0} 48!llvm.module.flags = !{!8, !9} 49!llvm.ident = !{!10} 50 51!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: NoDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2) 52!1 = !DIFile(filename: "calls.cc", directory: ".") 53!2 = !{} 54!6 = !DISubroutineType(types: !2) 55!7 = distinct !DISubprogram(name: "test", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !1, type: !6, retainedNodes: !2) 56!8 = !{i32 2, !"Dwarf Version", i32 4} 57!9 = !{i32 1, !"Debug Info Version", i32 3} 58!10 = !{!"clang version 3.5 "} 59!12 = distinct !DISubprogram(name: "test_liveness", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !1, type: !6, retainedNodes: !2) 60!13 = !DISubprogram(name: "bar_dbg", scope: !1, file: !1, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized) 61!14 = distinct !DISubprogram(name: "bar_available", line: 7, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 7, file: !1, scope: !1, type: !6, retainedNodes: !2) 62!15 = !DILexicalBlockFile(discriminator: 1, file: !1, scope: !7) 63!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7) 64!18 = !DILocation(line: 10, scope: !17) 65!19 = !DILocation(line: 11, scope: !17) 66!20 = !DILocation(line: 8, scope: !12) 67