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[SLPVectorizer] Debug info shouldn't impact spill cost computation.
<rdar://problem/39794738> (Also, PR32761). Differential Revision: https://reviews.llvm.org/D46199 llvm-svn: 331199
This commit is contained in:
Davide Italiano
parent
5efacccddd
commit
b36cd6f6ee
@ -2554,7 +2554,10 @@ int BoUpSLP::getSpillCost() {
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continue;
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continue;
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}
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}
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if (isa<CallInst>(&*PrevInstIt) && &*PrevInstIt != PrevInst) {
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// Debug informations don't impact spill cost.
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if ((isa<CallInst>(&*PrevInstIt) &&
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!isa<DbgInfoIntrinsic>(&*PrevInstIt)) &&
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&*PrevInstIt != PrevInst) {
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SmallVector<Type*, 4> V;
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SmallVector<Type*, 4> V;
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for (auto *II : LiveValues)
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for (auto *II : LiveValues)
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V.push_back(VectorType::get(II->getType(), BundleWidth));
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V.push_back(VectorType::get(II->getType(), BundleWidth));
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93
test/Transforms/SLPVectorizer/AArch64/spillcost-di.ll
Normal file
93
test/Transforms/SLPVectorizer/AArch64/spillcost-di.ll
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@ -0,0 +1,93 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; Debug informations shouldn't affect spill cost.
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; RUN: opt -S -slp-vectorizer %s -o - | FileCheck %s
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target triple = "aarch64"
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%struct.S = type { i64, i64 }
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define void @patatino(i64 %n, i64 %i, %struct.S* %p) !dbg !7 {
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; CHECK-LABEL: @patatino(
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; CHECK-NEXT: entry:
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[N:%.*]], metadata !18, metadata !DIExpression()), !dbg !23
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[I:%.*]], metadata !19, metadata !DIExpression()), !dbg !24
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; CHECK-NEXT: call void @llvm.dbg.value(metadata %struct.S* [[P:%.*]], metadata !20, metadata !DIExpression()), !dbg !25
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; CHECK-NEXT: [[X1:%.*]] = getelementptr inbounds [[STRUCT_S:%.*]], %struct.S* [[P]], i64 [[N]], i32 0, !dbg !26
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 undef, metadata !21, metadata !DIExpression()), !dbg !27
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; CHECK-NEXT: [[Y3:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[P]], i64 [[N]], i32 1, !dbg !28
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i64* [[X1]] to <2 x i64>*, !dbg !26
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; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i64>, <2 x i64>* [[TMP0]], align 8, !dbg !26, !tbaa !29
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 undef, metadata !22, metadata !DIExpression()), !dbg !33
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; CHECK-NEXT: [[X5:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[P]], i64 [[I]], i32 0, !dbg !34
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; CHECK-NEXT: [[Y7:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[P]], i64 [[I]], i32 1, !dbg !35
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[X5]] to <2 x i64>*, !dbg !36
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; CHECK-NEXT: store <2 x i64> [[TMP1]], <2 x i64>* [[TMP2]], align 8, !dbg !36, !tbaa !29
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; CHECK-NEXT: ret void, !dbg !37
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;
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entry:
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call void @llvm.dbg.value(metadata i64 %n, metadata !18, metadata !DIExpression()), !dbg !23
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call void @llvm.dbg.value(metadata i64 %i, metadata !19, metadata !DIExpression()), !dbg !24
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call void @llvm.dbg.value(metadata %struct.S* %p, metadata !20, metadata !DIExpression()), !dbg !25
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%x1 = getelementptr inbounds %struct.S, %struct.S* %p, i64 %n, i32 0, !dbg !26
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%0 = load i64, i64* %x1, align 8, !dbg !26, !tbaa !27
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call void @llvm.dbg.value(metadata i64 %0, metadata !21, metadata !DIExpression()), !dbg !32
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%y3 = getelementptr inbounds %struct.S, %struct.S* %p, i64 %n, i32 1, !dbg !33
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%1 = load i64, i64* %y3, align 8, !dbg !33, !tbaa !34
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call void @llvm.dbg.value(metadata i64 %1, metadata !22, metadata !DIExpression()), !dbg !35
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%x5 = getelementptr inbounds %struct.S, %struct.S* %p, i64 %i, i32 0, !dbg !36
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store i64 %0, i64* %x5, align 8, !dbg !37, !tbaa !27
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%y7 = getelementptr inbounds %struct.S, %struct.S* %p, i64 %i, i32 1, !dbg !38
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store i64 %1, i64* %y7, align 8, !dbg !39, !tbaa !34
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ret void, !dbg !40
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}
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; Function Attrs: nounwind readnone speculatable
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declare void @llvm.dbg.value(metadata, metadata, metadata) #1
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attributes #1 = { nounwind readnone speculatable }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !5}
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!llvm.ident = !{!6}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 7.0.0 (trunk 330946) (llvm/trunk 330976)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "slp-reduced.c", directory: "/usr2/gberry/local/loop-align")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = !{i32 1, !"wchar_size", i32 4}
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!6 = !{!"clang version 7.0.0 (trunk 330946) (llvm/trunk 330976)"}
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!7 = distinct !DISubprogram(name: "patatino", scope: !1, file: !1, line: 6, type: !8, isLocal: false, isDefinition: true, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, variables: !17)
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!8 = !DISubroutineType(types: !9)
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!9 = !{null, !10, !10, !11}
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!10 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
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!12 = !DIDerivedType(tag: DW_TAG_typedef, name: "S", file: !1, line: 4, baseType: !13)
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!13 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !1, line: 1, size: 128, elements: !14)
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!14 = !{!15, !16}
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !13, file: !1, line: 2, baseType: !10, size: 64)
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!16 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !13, file: !1, line: 3, baseType: !10, size: 64, offset: 64)
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!17 = !{!18, !19, !20, !21, !22}
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!18 = !DILocalVariable(name: "n", arg: 1, scope: !7, file: !1, line: 6, type: !10)
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!19 = !DILocalVariable(name: "i", arg: 2, scope: !7, file: !1, line: 6, type: !10)
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!20 = !DILocalVariable(name: "p", arg: 3, scope: !7, file: !1, line: 6, type: !11)
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!21 = !DILocalVariable(name: "x", scope: !7, file: !1, line: 7, type: !10)
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!22 = !DILocalVariable(name: "y", scope: !7, file: !1, line: 8, type: !10)
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!23 = !DILocation(line: 6, column: 15, scope: !7)
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!24 = !DILocation(line: 6, column: 23, scope: !7)
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!25 = !DILocation(line: 6, column: 29, scope: !7)
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!26 = !DILocation(line: 7, column: 19, scope: !7)
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!27 = !{!28, !29, i64 0}
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!28 = !{!"", !29, i64 0, !29, i64 8}
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!29 = !{!"long", !30, i64 0}
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!30 = !{!"omnipotent char", !31, i64 0}
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!31 = !{!"Simple C/C++ TBAA"}
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!32 = !DILocation(line: 7, column: 10, scope: !7)
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!33 = !DILocation(line: 8, column: 19, scope: !7)
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!34 = !{!28, !29, i64 8}
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!35 = !DILocation(line: 8, column: 10, scope: !7)
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!36 = !DILocation(line: 9, column: 10, scope: !7)
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!37 = !DILocation(line: 9, column: 12, scope: !7)
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!38 = !DILocation(line: 10, column: 10, scope: !7)
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!39 = !DILocation(line: 10, column: 12, scope: !7)
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!40 = !DILocation(line: 11, column: 1, scope: !7)
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