brintos

brintos / llvm-project-archived public Read only

0
0
Text · 5.0 KiB · 00f61e9 Raw
86 lines · plain
1; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/function_metadata.prof -S | FileCheck %s2; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -profile-file=%S/Inputs/function_metadata.compact.afdo -S | FileCheck %s3; 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 %s4 5;; Validate that with replay in effect, we import call sites even if they are below the threshold6;; Baseline import decisions7; 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 %s8;; With replay decisions9; 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 %s10 11 12; Tests whether the functions in the inline stack are added to the13; 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 void23}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 ptr30  store ptr %0, ptr %231  %3 = load ptr, ptr %232  ; CHECK: call {{.*}}, !prof ![[PROF:[0-9]+]]33  call void @foo(), !dbg !1834  call void %3(), !dbg !1935  ret void36}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 !2043  ret void44}45 46; GUIDs of foo, bar, foo1, foo2 and foo3 should be included in the metadata to47; make sure hot inline stacks are imported. The total count of baz is lower48; than the hot cutoff threshold and its GUID should not be included in the49; 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 to53; make sure the liveness analysis can capture the dependency from test_liveness54; 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 imported58; 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 imported61; 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