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; RUN: opt < %s -passes='pseudo-probe,thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/pseudo-probe-func-metadata.prof -sample-profile-use-profi=0 -S | FileCheck %s 4 5;; Validate that with replay in effect, we import call sites even if they are below the threshold 6;; Baseline import decisions 7; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-summary-hot-count=2000 -profile-file=%S/Inputs/function_metadata.prof -S | FileCheck -check-prefix=THRESHOLD %s 8;; With replay decisions 9; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-summary-hot-count=2000 -profile-file=%S/Inputs/function_metadata.prof -S -sample-profile-inline-replay-scope=Function -sample-profile-inline-replay=%S/Inputs/function_metadata_replay.txt | FileCheck -check-prefix=THRESHOLD-REPLAY %s 10 11 12; Tests whether the functions in the inline stack are added to the 13; function_entry_count metadata. 14 15declare void @foo() 16 17declare void @bar() 18 19declare !dbg !13 void @bar_dbg() 20 21define void @bar_available() #0 !dbg !14 { 22 ret void 23} 24 25; CHECK: define void @test({{.*}} !prof ![[ENTRY_TEST:[0-9]+]] 26; THRESHOLD: define void @test({{.*}} !prof ![[ENTRY_THRESHOLD:[0-9]+]] 27; THRESHOLD-REPLAY: define void @test({{.*}} !prof ![[ENTRY_REPLAY_TEST:[0-9]+]] 28define void @test(ptr) #0 !dbg !7 { 29 %2 = alloca ptr 30 store ptr %0, ptr %2 31 %3 = load ptr, ptr %2 32 ; CHECK: call {{.*}}, !prof ![[PROF:[0-9]+]] 33 call void @foo(), !dbg !18 34 call void %3(), !dbg !19 35 ret void 36} 37 38; CHECK: define void @test_liveness({{.*}} !prof ![[ENTRY_TEST_LIVENESS:[0-9]+]] 39; THRESHOLD: define void @test_liveness({{.*}} !prof ![[ENTRY_THRESHOLD:[0-9]+]] 40; THRESHOLD-REPLAY: define void @test_liveness({{.*}} !prof ![[ENTRY_REPLAY_TEST_LIVENESS:[0-9]+]] 41define void @test_liveness() #0 !dbg !12 { 42 call void @foo(), !dbg !20 43 ret void 44} 45 46; GUIDs of foo, bar, foo1, foo2 and foo3 should be included in the metadata to 47; make sure hot inline stacks are imported. The total count of baz is lower 48; than the hot cutoff threshold and its GUID should not be included in the 49; metadata. 50; CHECK: ![[ENTRY_TEST]] = !{!"function_entry_count", i64 1, i64 2494702099028631698, i64 6699318081062747564, i64 7682762345278052905, i64 -7908226060800700466, i64 -2012135647395072713} 51 52; Check GUIDs for foo, bar and bar_dbg are included in the metadata to 53; make sure the liveness analysis can capture the dependency from test_liveness 54; to bar. bar_available should not be included as it's within the same module. 55; CHECK: ![[ENTRY_TEST_LIVENESS]] = !{!"function_entry_count", i64 1, i64 6699318081062747564, i64 -2012135647395072713, i64 -1522495160813492905} 56 57; With high threshold, nothing should be imported 58; THRESHOLD: ![[ENTRY_THRESHOLD]] = !{!"function_entry_count", i64 1} 59 60; With high threshold and replay, sites that are in the replay (foo, and transitively bar and bar_dbg in function test_liveness) should be imported 61; THRESHOLD-REPLAY: ![[ENTRY_REPLAY_TEST]] = !{!"function_entry_count", i64 1} 62; THRESHOLD-REPLAY: ![[ENTRY_REPLAY_TEST_LIVENESS]] = !{!"function_entry_count", i64 1, i64 6699318081062747564, i64 -2012135647395072713, i64 -1522495160813492905} 63 64attributes #0 = {"use-sample-profile"} 65 66!llvm.dbg.cu = !{!0} 67!llvm.module.flags = !{!8, !9} 68!llvm.ident = !{!10} 69 70!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) 71!1 = !DIFile(filename: "calls.cc", directory: ".") 72!2 = !{} 73!6 = !DISubroutineType(types: !2) 74!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) 75!8 = !{i32 2, !"Dwarf Version", i32 4} 76!9 = !{i32 1, !"Debug Info Version", i32 3} 77!10 = !{!"clang version 3.5 "} 78!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) 79!13 = !DISubprogram(name: "bar_dbg", scope: !1, file: !1, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized) 80!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) 81!15 = !DILexicalBlockFile(discriminator: 1, file: !1, scope: !7) 82!17 = distinct !DILexicalBlock(line: 10, column: 0, file: !1, scope: !7) 83!18 = !DILocation(line: 10, scope: !17) 84!19 = !DILocation(line: 11, scope: !17) 85!20 = !DILocation(line: 8, scope: !12) 86