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 4 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" 5 target triple = "x86_64-apple-macosx10.8.0" 6 7 @A = global [1024 x i32] zeroinitializer, align 16 8 @B = global [1024 x i32] zeroinitializer, align 16 9 @C = global [1024 x i32] zeroinitializer, align 16 10 11 ; CHECK-LABEL: @test( 12 define i32 @test() #0 !dbg !3 { 13 entry: 14 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !9, metadata !DIExpression()), !dbg !18 15 br label %for.body, !dbg !18 16 17 for.body: 18 ;CHECK: load <4 x i32> 19 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] 20 %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv, !dbg !19 21 %0 = load i32, i32* %arrayidx, align 4, !dbg !19 22 %arrayidx2 = getelementptr inbounds [1024 x i32], [1024 x i32]* @C, i64 0, i64 %indvars.iv, !dbg !19 23 %1 = load i32, i32* %arrayidx2, align 4, !dbg !19 24 %add = add nsw i32 %1, %0, !dbg !19 25 %arrayidx4 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv, !dbg !19 26 store i32 %add, i32* %arrayidx4, align 4, !dbg !19 27 %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !18 28 tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !9, metadata !DIExpression()), !dbg !18 29 %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !18 30 %exitcond = icmp ne i32 %lftr.wideiv, 1024, !dbg !18 31 br i1 %exitcond, label %for.body, label %for.end, !dbg !18 32 33 for.end: 34 ret i32 0, !dbg !24 35 } 36 37 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 38 39 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 40 41 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" } 42 attributes #1 = { nounwind readnone } 43 44 !llvm.dbg.cu = !{!0} 45 !llvm.module.flags = !{!26} 46 47 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang", isOptimized: true, emissionKind: FullDebug, file: !25, enums: !1, retainedTypes: !1, globals: !11) 48 !1 = !{} 49 !3 = distinct !DISubprogram(name: "test", linkageName: "test", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 5, file: !25, scope: !4, type: !5, variables: !8) 50 !4 = !DIFile(filename: "test", directory: "/path/to/somewhere") 51 !5 = !DISubroutineType(types: !6) 52 !6 = !{!7} 53 !7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 54 !8 = !{!9} 55 !9 = !DILocalVariable(name: "i", line: 6, scope: !10, file: !4, type: !7) 56 !10 = distinct !DILexicalBlock(line: 6, column: 0, file: !25, scope: !3) 57 !11 = !{!12, !16, !17} 58 !12 = !DIGlobalVariable(name: "A", line: 1, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13, variable: [1024 x i32]* @A) 59 !13 = !DICompositeType(tag: DW_TAG_array_type, size: 32768, align: 32, baseType: !7, elements: !14) 60 !14 = !{!15} 61 !15 = !{i32 786465, i64 0, i64 1024} 62 !16 = !DIGlobalVariable(name: "B", line: 2, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13, variable: [1024 x i32]* @B) 63 !17 = !DIGlobalVariable(name: "C", line: 3, isLocal: false, isDefinition: true, scope: null, file: !4, type: !13, variable: [1024 x i32]* @C) 64 !18 = !DILocation(line: 6, scope: !10) 65 !19 = !DILocation(line: 7, scope: !20) 66 !20 = distinct !DILexicalBlock(line: 6, column: 0, file: !25, scope: !10) 67 !24 = !DILocation(line: 9, scope: !3) 68 !25 = !DIFile(filename: "test", directory: "/path/to/somewhere") 69 !26 = !{i32 1, !"Debug Info Version", i32 3} 70
