7d6e8f2a96
If we vectorize a e.g. store, we leave around a bunch of getelementptrs for the individual scalar stores which we removed. We can go ahead and delete them as well. This is purely for test output quality and readability. It should have no effect in any sane pipeline. Differential Revision: https://reviews.llvm.org/D122493
92 lines
5.5 KiB
LLVM
92 lines
5.5 KiB
LLVM
; 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 [[META18:![0-9]+]], metadata !DIExpression()), !dbg [[DBG23:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 [[I:%.*]], metadata [[META19:![0-9]+]], metadata !DIExpression()), !dbg [[DBG24:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.value(metadata %struct.S* [[P:%.*]], metadata [[META20:![0-9]+]], metadata !DIExpression()), !dbg [[DBG25:![0-9]+]]
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; CHECK-NEXT: [[X1:%.*]] = getelementptr inbounds [[STRUCT_S:%.*]], %struct.S* [[P]], i64 [[N]], i32 0, !dbg [[DBG26:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 undef, metadata [[META21:![0-9]+]], metadata !DIExpression()), !dbg [[DBG27:![0-9]+]]
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; CHECK-NEXT: call void @llvm.dbg.value(metadata i64 undef, metadata [[META22:![0-9]+]], metadata !DIExpression()), !dbg [[DBG28:![0-9]+]]
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; CHECK-NEXT: [[X5:%.*]] = getelementptr inbounds [[STRUCT_S]], %struct.S* [[P]], i64 [[I]], i32 0, !dbg [[DBG29:![0-9]+]]
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; CHECK-NEXT: [[TMP0:%.*]] = bitcast i64* [[X1]] to <2 x i64>*, !dbg [[DBG26]]
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; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i64>, <2 x i64>* [[TMP0]], align 8, !dbg [[DBG26]], !tbaa [[TBAA30:![0-9]+]]
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; CHECK-NEXT: [[TMP2:%.*]] = bitcast i64* [[X5]] to <2 x i64>*, !dbg [[DBG34:![0-9]+]]
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; CHECK-NEXT: store <2 x i64> [[TMP1]], <2 x i64>* [[TMP2]], align 8, !dbg [[DBG34]], !tbaa [[TBAA30]]
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; CHECK-NEXT: ret void, !dbg [[DBG35:![0-9]+]]
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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, retainedNodes: !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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