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81 lines
3.1 KiB
81 lines
3.1 KiB
4 months ago
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;; Test we merge non-inlined profile only once with '-sample-profile-merge-inlinee'
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; RUN: opt < %s -passes='function(callsite-splitting),sample-profile' -sample-profile-file=%S/Inputs/inline-mergeprof.prof -sample-profile-merge-inlinee=true -S | FileCheck %s
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%struct.bitmap = type { i32, %struct.bitmap* }
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; CHECK-LABEL: @main
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define void @main(i1 %c, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt) #0 !dbg !6 {
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entry:
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br label %Top
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Top:
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%tobool1 = icmp eq %struct.bitmap* %a_elt, null
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br i1 %tobool1, label %CallSiteBB, label %NextCond
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NextCond:
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%cmp = icmp ne %struct.bitmap* %b_elt, null
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br i1 %cmp, label %CallSiteBB, label %End
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CallSiteBB:
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%p = phi i1 [0, %Top], [%c, %NextCond]
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;; The call site is replicated by callsite-splitting pass and they end up share the same sample profile
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; CHECK: call void @_Z3sumii(%struct.bitmap* null, %struct.bitmap* null, %struct.bitmap* %b_elt, i1 false)
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; CHECK: call void @_Z3sumii(%struct.bitmap* nonnull %a_elt, %struct.bitmap* nonnull %a_elt, %struct.bitmap* nonnull %b_elt, i1 %c)
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call void @_Z3sumii(%struct.bitmap* %a_elt, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, i1 %p), !dbg !8
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br label %End
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End:
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ret void
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}
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define void @_Z3sumii(%struct.bitmap* %dst_elt, %struct.bitmap* %a_elt, %struct.bitmap* %b_elt, i1 %c) #0 !dbg !12 {
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entry:
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%tobool = icmp ne %struct.bitmap* %a_elt, null
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%tobool1 = icmp ne %struct.bitmap* %b_elt, null
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%or.cond = and i1 %tobool, %tobool1, !dbg !13
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br i1 %or.cond, label %Cond, label %Big
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Cond:
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%cmp = icmp eq %struct.bitmap* %dst_elt, %a_elt, !dbg !14
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br i1 %cmp, label %Small, label %Big, !dbg !15
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Small:
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br label %End
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Big:
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br label %End
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End:
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ret void
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}
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attributes #0 = { "use-sample-profile" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!llvm.ident = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "calls.cc", directory: ".")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 1, !"Debug Info Version", i32 3}
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!5 = !{!"clang version 3.5 "}
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!6 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 7, type: !7, scopeLine: 7, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!7 = !DISubroutineType(types: !2)
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!8 = !DILocation(line: 10, scope: !9)
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!9 = !DILexicalBlockFile(scope: !10, file: !1, discriminator: 2)
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!10 = distinct !DILexicalBlock(scope: !6, file: !1, line: 10)
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!11 = !DILocation(line: 12, scope: !6)
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!12 = distinct !DISubprogram(name: "sum", scope: !1, file: !1, line: 3, type: !7, scopeLine: 3, virtualIndex: 6, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!13 = !DILocation(line: 4, scope: !12)
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!14 = !DILocation(line: 5, scope: !12)
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!15 = !DILocation(line: 6, scope: !12)
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;; Check the profile of funciton sum is only merged once though the original callsite is replicted.
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; CHECK: name: "sum"
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; CHECK-NEXT: {!"function_entry_count", i64 46}
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; CHECK: !{!"branch_weights", i32 11, i32 37}
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; CHECK: !{!"branch_weights", i32 11, i32 1}
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