| ; RUN: opt < %s -S -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine | FileCheck %s |
| ; Make sure we vectorize with debugging turned on. |
| |
| source_filename = "test/Transforms/LoopVectorize/dbg.value.ll" |
| 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" |
| |
| @A = global [1024 x i32] zeroinitializer, align 16, !dbg !0 |
| @B = global [1024 x i32] zeroinitializer, align 16, !dbg !7 |
| @C = global [1024 x i32] zeroinitializer, align 16, !dbg !9 |
| ; CHECK-LABEL: @test( |
| |
| ; Function Attrs: nounwind ssp uwtable |
| define i32 @test() #0 !dbg !15 { |
| entry: |
| tail call void @llvm.dbg.value(metadata i32 0, metadata !19, metadata !21), !dbg !22 |
| br label %for.body, !dbg !22 |
| |
| for.body: ; preds = %for.body, %entry |
| ;CHECK: load <4 x i32> |
| %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ] |
| %arrayidx = getelementptr inbounds [1024 x i32], [1024 x i32]* @B, i64 0, i64 %indvars.iv, !dbg !23 |
| %0 = load i32, i32* %arrayidx, align 4, !dbg !23 |
| %arrayidx2 = getelementptr inbounds [1024 x i32], [1024 x i32]* @C, i64 0, i64 %indvars.iv, !dbg !23 |
| %1 = load i32, i32* %arrayidx2, align 4, !dbg !23 |
| %add = add nsw i32 %1, %0, !dbg !23 |
| %arrayidx4 = getelementptr inbounds [1024 x i32], [1024 x i32]* @A, i64 0, i64 %indvars.iv, !dbg !23 |
| store i32 %add, i32* %arrayidx4, align 4, !dbg !23 |
| %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !22 |
| tail call void @llvm.dbg.value(metadata !12, metadata !19, metadata !21), !dbg !22 |
| %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !22 |
| %exitcond = icmp ne i32 %lftr.wideiv, 1024, !dbg !22 |
| br i1 %exitcond, label %for.body, label %for.end, !dbg !22 |
| |
| for.end: ; preds = %for.body |
| ret i32 0, !dbg !25 |
| } |
| |
| ; Function Attrs: nounwind readnone |
| |
| declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 |
| |
| ; Function Attrs: nounwind readnone |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #1 |
| |
| attributes #0 = { nounwind ssp uwtable "fp-contract-model"="standard" "frame-pointer"="non-leaf" "relocation-model"="pic" "ssp-buffers-size"="8" } |
| attributes #1 = { nounwind readnone } |
| |
| !llvm.dbg.cu = !{!11} |
| !llvm.module.flags = !{!14} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = !DIGlobalVariable(name: "A", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true) |
| !2 = !DIFile(filename: "test", directory: "/path/to/somewhere") |
| !3 = !DICompositeType(tag: DW_TAG_array_type, baseType: !4, size: 32768, align: 32, elements: !5) |
| !4 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) |
| !5 = !{!6} |
| !6 = !{i32 786465, i64 0, i64 1024} |
| !7 = !DIGlobalVariableExpression(var: !8, expr: !DIExpression()) |
| !8 = !DIGlobalVariable(name: "B", scope: null, file: !2, line: 2, type: !3, isLocal: false, isDefinition: true) |
| !9 = !DIGlobalVariableExpression(var: !10, expr: !DIExpression()) |
| !10 = !DIGlobalVariable(name: "C", scope: null, file: !2, line: 3, type: !3, isLocal: false, isDefinition: true) |
| !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) |
| !12 = !{} |
| !13 = !{!0, !7, !9} |
| !14 = !{i32 1, !"Debug Info Version", i32 3} |
| !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) |
| !16 = !DISubroutineType(types: !17) |
| !17 = !{!4} |
| !18 = !{!19} |
| !19 = !DILocalVariable(name: "i", scope: !20, file: !2, line: 6, type: !4) |
| !20 = distinct !DILexicalBlock(scope: !15, file: !2, line: 6) |
| !21 = !DIExpression() |
| !22 = !DILocation(line: 6, scope: !20) |
| !23 = !DILocation(line: 7, scope: !24) |
| !24 = distinct !DILexicalBlock(scope: !20, file: !2, line: 6) |
| !25 = !DILocation(line: 9, scope: !15) |
| |