2019-11-02 03:57:23 +08:00
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; Make sure Import GUID list for ThinLTO properly maintained while update function's entry count for inlining
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; RUN: opt < %s -passes='thinlto-pre-link<O2>' -pgo-kind=pgo-sample-use-pipeline -sample-profile-file=%S/Inputs/inline-callee-update.prof -S | FileCheck %s
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@y = global i32* ()* null, align 8
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@z = global i32* ()* null, align 8
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2020-01-16 10:23:36 +08:00
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; CHECK: define i32* @sample_loader_inlinee() {{.*}} !prof ![[ENTRY:[0-9]+]]
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2020-05-15 03:05:49 +08:00
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define i32* @sample_loader_inlinee() #0 !dbg !3 {
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2019-11-02 03:57:23 +08:00
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bb:
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%tmp = call i32* @direct_leaf_func(i32* null), !dbg !4
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%cmp = icmp ne i32* %tmp, null
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br i1 %cmp, label %then, label %else
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then: ; preds = %bb
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%tmp1 = load i32* ()*, i32* ()** @z, align 8, !dbg !5
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%tmp2 = call i32* %tmp1(), !dbg !5
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ret i32* %tmp2
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else: ; preds = %bb
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ret i32* null
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}
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2020-01-16 10:23:36 +08:00
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; CHECK: define i32* @cgscc_inlinee() {{.*}} !prof ![[ENTRY:[0-9]+]]
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2020-05-15 03:05:49 +08:00
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define i32* @cgscc_inlinee() #0 !dbg !6 {
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2019-11-02 03:57:23 +08:00
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bb:
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%tmp = call i32* @direct_leaf_func(i32* null), !dbg !7
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%cmp = icmp ne i32* %tmp, null
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br i1 %cmp, label %then, label %else
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then: ; preds = %bb
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%tmp1 = load i32* ()*, i32* ()** @y, align 8, !dbg !8
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%tmp2 = call i32* %tmp1(), !dbg !8
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ret i32* %tmp2
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else: ; preds = %bb
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ret i32* null
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}
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2020-05-15 03:05:49 +08:00
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define i32* @test_sample_loader_inline(void ()* %arg) #0 !dbg !9 {
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2019-11-02 03:57:23 +08:00
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bb:
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%tmp = call i32* @sample_loader_inlinee(), !dbg !10
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ret i32* %tmp
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}
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2020-05-15 03:05:49 +08:00
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define i32* @test_cgscc_inline(void ()* %arg) #0 !dbg !11 {
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2019-11-02 03:57:23 +08:00
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bb:
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%tmp = call i32* @cgscc_inlinee(), !dbg !12
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ret i32* %tmp
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}
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declare i32* @direct_leaf_func(i32*)
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2020-05-15 03:05:49 +08:00
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attributes #0 = {"use-sample-profile"}
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2019-11-02 03:57:23 +08:00
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!2}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
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!1 = !DIFile(filename: "test.cc", directory: "/")
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!2 = !{i32 2, !"Debug Info Version", i32 3}
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!3 = distinct !DISubprogram(name: "sample_loader_inlinee", scope: !1, file: !1, line: 11, spFlags: DISPFlagDefinition, unit: !0)
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!4 = !DILocation(line: 12, scope: !3)
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!5 = !DILocation(line: 13, scope: !3)
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!6 = distinct !DISubprogram(name: "cgscc_inlinee", scope: !1, file: !1, line: 31, spFlags: DISPFlagDefinition, unit: !0)
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!7 = !DILocation(line: 32, scope: !6)
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!8 = !DILocation(line: 33, scope: !6)
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!9 = distinct !DISubprogram(name: "test_sample_loader_inline", scope: !1, file: !1, line: 3, spFlags: DISPFlagDefinition, unit: !0)
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!10 = !DILocation(line: 4, scope: !9)
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!11 = distinct !DISubprogram(name: "test_cgscc_inline", scope: !1, file: !1, line: 20, spFlags: DISPFlagDefinition, unit: !0)
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!12 = !DILocation(line: 21, scope: !11)
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; Make sure the ImportGUID stays with entry count metadata for ThinLTO-PreLink
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2020-01-16 10:23:36 +08:00
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; CHECK: ![[ENTRY]] = !{!"function_entry_count", i64 1, i64 -9171813444624716006}
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