1 ; RUN: opt -S < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 | FileCheck %s 2 3 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" 4 5 ; Make sure we are preserving debug info in the vectorized code. 6 7 ; CHECK: for.body.lr.ph 8 ; CHECK: cmp.zero = icmp eq i64 {{.*}}, 0, !dbg ![[LOC:[0-9]+]] 9 ; CHECK: vector.body 10 ; CHECK: index {{.*}}, !dbg ![[LOC]] 11 ; CHECK: getelementptr inbounds i32, i32* %a, {{.*}}, !dbg ![[LOC2:[0-9]+]] 12 ; CHECK: load <2 x i32>, <2 x i32>* {{.*}}, !dbg ![[LOC2]] 13 ; CHECK: add <2 x i32> {{.*}}, !dbg ![[LOC2]] 14 ; CHECK: add i64 %index, 2, !dbg ![[LOC]] 15 ; CHECK: icmp eq i64 %index.next, %n.vec, !dbg ![[LOC]] 16 ; CHECK: middle.block 17 ; CHECK: add <2 x i32> %{{.*}}, %rdx.shuf, !dbg ![[LOC2]] 18 ; CHECK: extractelement <2 x i32> %bin.rdx, i32 0, !dbg ![[LOC2]] 19 20 define i32 @f(i32* nocapture %a, i32 %size) #0 !dbg !4 { 21 entry: 22 tail call void @llvm.dbg.value(metadata i32* %a, i64 0, metadata !13, metadata !DIExpression()), !dbg !19 23 tail call void @llvm.dbg.value(metadata i32 %size, i64 0, metadata !14, metadata !DIExpression()), !dbg !19 24 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !15, metadata !DIExpression()), !dbg !20 25 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !DIExpression()), !dbg !21 26 %cmp4 = icmp eq i32 %size, 0, !dbg !21 27 br i1 %cmp4, label %for.end, label %for.body.lr.ph, !dbg !21 28 29 for.body.lr.ph: ; preds = %entry 30 br label %for.body, !dbg !21 31 32 for.body: ; preds = %for.body.lr.ph, %for.body 33 %indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ] 34 %sum.05 = phi i32 [ 0, %for.body.lr.ph ], [ %add, %for.body ] 35 %arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv, !dbg !22 36 %0 = load i32, i32* %arrayidx, align 4, !dbg !22 37 %add = add i32 %0, %sum.05, !dbg !22 38 tail call void @llvm.dbg.value(metadata i32 %add.lcssa, i64 0, metadata !15, metadata !DIExpression()), !dbg !22 39 %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !21 40 tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !16, metadata !DIExpression()), !dbg !21 41 %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !21 42 %exitcond = icmp ne i32 %lftr.wideiv, %size, !dbg !21 43 br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge, !dbg !21 44 45 for.cond.for.end_crit_edge: ; preds = %for.body 46 %add.lcssa = phi i32 [ %add, %for.body ] 47 br label %for.end, !dbg !21 48 49 for.end: ; preds = %entry, %for.cond.for.end_crit_edge 50 %sum.0.lcssa = phi i32 [ %add.lcssa, %for.cond.for.end_crit_edge ], [ 0, %entry ] 51 ret i32 %sum.0.lcssa, !dbg !26 52 } 53 54 ; Function Attrs: nounwind readnone 55 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 56 57 ; Function Attrs: nounwind readnone 58 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 59 60 attributes #0 = { nounwind readonly ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="true" "no-nans-fp-math"="true" "unsafe-fp-math"="true" "use-soft-float"="false" } 61 attributes #1 = { nounwind readnone } 62 63 !llvm.dbg.cu = !{!0} 64 !llvm.module.flags = !{!18, !27} 65 66 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 185038) (llvm/trunk 185097)", isOptimized: true, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 67 !1 = !DIFile(filename: "-", directory: "/Volumes/Data/backedup/dev/os/llvm/debug") 68 !2 = !{} 69 !3 = !{!4} 70 !4 = distinct !DISubprogram(name: "f", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 3, file: !5, scope: !6, type: !7, variables: !12) 71 !5 = !DIFile(filename: "<stdin>", directory: "/Volumes/Data/backedup/dev/os/llvm/debug") 72 !6 = !DIFile(filename: "<stdin>", directory: "/Volumes/Data/backedup/dev/os/llvm/debug") 73 !7 = !DISubroutineType(types: !8) 74 !8 = !{!9, !10, !11} 75 !9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 76 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9) 77 !11 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 78 !12 = !{!13, !14, !15, !16} 79 !13 = !DILocalVariable(name: "a", line: 3, arg: 1, scope: !4, file: !6, type: !10) 80 !14 = !DILocalVariable(name: "size", line: 3, arg: 2, scope: !4, file: !6, type: !11) 81 !15 = !DILocalVariable(name: "sum", line: 4, scope: !4, file: !6, type: !11) 82 !16 = !DILocalVariable(name: "i", line: 5, scope: !17, file: !6, type: !11) 83 !17 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !4) 84 !18 = !{i32 2, !"Dwarf Version", i32 3} 85 !19 = !DILocation(line: 3, scope: !4) 86 !20 = !DILocation(line: 4, scope: !4) 87 !21 = !DILocation(line: 5, scope: !17) 88 !22 = !DILocation(line: 6, scope: !17) 89 !26 = !DILocation(line: 7, scope: !4) 90 !27 = !{i32 1, !"Debug Info Version", i32 3} 91
