78 lines
3.9 KiB
LLVM
78 lines
3.9 KiB
LLVM
; RUN: opt < %s -S -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine | FileCheck %s
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; Make sure we vectorize with debugging turned on.
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source_filename = "test/Transforms/LoopVectorize/dbg.value.ll"
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
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@A = global [1024 x i32] zeroinitializer, align 16, !dbg !0
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@B = global [1024 x i32] zeroinitializer, align 16, !dbg !7
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@C = global [1024 x i32] zeroinitializer, align 16, !dbg !9
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; CHECK-LABEL: @test(
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; Function Attrs: nounwind ssp uwtable
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define i32 @test() #0 !dbg !15 {
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entry:
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tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !19, metadata !21), !dbg !22
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br label %for.body, !dbg !22
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for.body: ; preds = %for.body, %entry
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;CHECK: load <4 x i32>
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
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%arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv, !dbg !23
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%0 = load i32, i32* %arrayidx, align 4, !dbg !23
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%arrayidx2 = getelementptr inbounds [1024 x i32], [1024 x i32]* @C, i64 0, i64 %indvars.iv, !dbg !23
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%1 = load i32, i32* %arrayidx2, align 4, !dbg !23
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%add = add nsw i32 %1, %0, !dbg !23
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%arrayidx4 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv, !dbg !23
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store i32 %add, i32* %arrayidx4, align 4, !dbg !23
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%indvars.iv.next = add i64 %indvars.iv, 1, !dbg !22
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tail call void @llvm.dbg.value(metadata !12, i64 0, metadata !19, metadata !21), !dbg !22
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !22
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%exitcond = icmp ne i32 %lftr.wideiv, 1024, !dbg !22
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br i1 %exitcond, label %for.body, label %for.end, !dbg !22
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for.end: ; preds = %for.body
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ret i32 0, !dbg !25
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
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attributes #0 = { nounwind ssp uwtable "fp-contract-model"="standard" "no-frame-pointer-elim" "no-frame-pointer-elim-non-leaf" "relocation-model"="pic" "ssp-buffers-size"="8" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!11}
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!llvm.module.flags = !{!14}
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!0 = !DIGlobalVariableExpression(var: !1)
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!1 = !DIGlobalVariable(name: "A", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "test", directory: "/path/to/somewhere")
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!3 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 32768, align: 32, elements: !5)
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!4 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!5 = !{!6}
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!6 = !{i32 786465, i64 0, i64 1024}
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!7 = !DIGlobalVariableExpression(var: !8)
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!8 = !DIGlobalVariable(name: "B", scope: null, file: !2, line: 2, type: !3, isLocal: false, isDefinition: true)
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!9 = !DIGlobalVariableExpression(var: !10)
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!10 = !DIGlobalVariable(name: "C", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true)
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!11 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !12, retainedTypes: !12, globals: !13)
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!12 = !{}
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!13 = !{!0, !7, !9}
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!14 = !{i32 1, !"Debug Info Version", i32 3}
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!15 = distinct !DISubprogram(name: "test", linkageName: "test", scope: !2, file: !2, line: 5, type: !16, isLocal: false, isDefinition: true, scopeLine: 5, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !11, variables: !18)
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!16 = !DISubroutineType(types: !17)
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!17 = !{!4}
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!18 = !{!19}
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!19 = !DILocalVariable(name: "i", scope: !20, file: !2, line: 6, type: !4)
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!20 = distinct !DILexicalBlock(scope: !15, file: !2, line: 6)
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!21 = !DIExpression()
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!22 = !DILocation(line: 6, scope: !20)
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!23 = !DILocation(line: 7, scope: !24)
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!24 = distinct !DILexicalBlock(scope: !20, file: !2, line: 6)
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!25 = !DILocation(line: 9, scope: !15)
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