1; RUN: opt < %s -S -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine | FileCheck %s 2; Make sure we vectorize with debugging turned on. 3 4source_filename = "test/Transforms/LoopVectorize/dbg.value.ll" 5target 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" 6 7@A = global [1024 x i32] zeroinitializer, align 16, !dbg !0 8@B = global [1024 x i32] zeroinitializer, align 16, !dbg !7 9@C = global [1024 x i32] zeroinitializer, align 16, !dbg !9 10; CHECK-LABEL: @test( 11 12; Function Attrs: nounwind ssp uwtable 13define i32 @test() #0 !dbg !15 { 14entry: 15 tail call void @llvm.dbg.value(metadata i32 0, metadata !19, metadata !21), !dbg !22 16 br label %for.body, !dbg !22 17 18for.body: ; preds = %for.body, %entry 19 ;CHECK: load <4 x i32> 20 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 21 %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv, !dbg !23 22 %0 = load i32, i32* %arrayidx, align 4, !dbg !23 23 %arrayidx2 = getelementptr inbounds [1024 x i32], [1024 x i32]* @C, i64 0, i64 %indvars.iv, !dbg !23 24 %1 = load i32, i32* %arrayidx2, align 4, !dbg !23 25 %add = add nsw i32 %1, %0, !dbg !23 26 %arrayidx4 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv, !dbg !23 27 store i32 %add, i32* %arrayidx4, align 4, !dbg !23 28 %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !22 29 tail call void @llvm.dbg.value(metadata !12, metadata !19, metadata !21), !dbg !22 30 %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !22 31 %exitcond = icmp ne i32 %lftr.wideiv, 1024, !dbg !22 32 br i1 %exitcond, label %for.body, label %for.end, !dbg !22 33 34for.end: ; preds = %for.body 35 ret i32 0, !dbg !25 36} 37 38; Function Attrs: nounwind readnone 39 40declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 41 42; Function Attrs: nounwind readnone 43declare void @llvm.dbg.value(metadata, metadata, metadata) #1 44 45attributes #0 = { nounwind ssp uwtable "fp-contract-model"="standard" "frame-pointer"="non-leaf" "relocation-model"="pic" "ssp-buffers-size"="8" } 46attributes #1 = { nounwind readnone } 47 48!llvm.dbg.cu = !{!11} 49!llvm.module.flags = !{!14} 50 51!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 52!1 = !DIGlobalVariable(name: "A", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true) 53!2 = !DIFile(filename: "test", directory: "/path/to/somewhere") 54!3 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 32768, align: 32, elements: !5) 55!4 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 56!5 = !{!6} 57!6 = !{i32 786465, i64 0, i64 1024} 58!7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression()) 59!8 = !DIGlobalVariable(name: "B", scope: null, file: !2, line: 2, type: !3, isLocal: false, isDefinition: true) 60!9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression()) 61!10 = !DIGlobalVariable(name: "C", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true) 62!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) 63!12 = !{} 64!13 = !{!0, !7, !9} 65!14 = !{i32 1, !"Debug Info Version", i32 3} 66!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, retainedNodes: !18) 67!16 = !DISubroutineType(types: !17) 68!17 = !{!4} 69!18 = !{!19} 70!19 = !DILocalVariable(name: "i", scope: !20, file: !2, line: 6, type: !4) 71!20 = distinct !DILexicalBlock(scope: !15, file: !2, line: 6) 72!21 = !DIExpression() 73!22 = !DILocation(line: 6, scope: !20) 74!23 = !DILocation(line: 7, scope: !24) 75!24 = distinct !DILexicalBlock(scope: !20, file: !2, line: 6) 76!25 = !DILocation(line: 9, scope: !15) 77 78