forked from OSchip/llvm-project
90 lines
5.0 KiB
LLVM
90 lines
5.0 KiB
LLVM
; RUN: opt -S < %s -loop-vectorize -force-vector-interleave=1 -force-vector-width=2 | FileCheck %s
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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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; Make sure we are preserving debug info in the vectorized code.
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; CHECK: for.body.lr.ph
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; CHECK: min.iters.check = icmp ult i64 {{.*}}, 2, !dbg !{{[0-9]+}}
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; CHECK: vector.body
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; CHECK: index {{.*}}, !dbg ![[LOC:[0-9]+]]
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; CHECK: getelementptr inbounds i32, i32* %a, {{.*}}, !dbg ![[LOC]]
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; CHECK: load <2 x i32>, <2 x i32>* {{.*}}, !dbg ![[LOC]]
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; CHECK: add <2 x i32> {{.*}}, !dbg ![[LOC]]
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; CHECK: add i64 %index, 2, !dbg ![[LOC]]
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; CHECK: icmp eq i64 %index.next, %n.vec, !dbg ![[LOC]]
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; CHECK: middle.block
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; CHECK: add <2 x i32> %{{.*}}, %rdx.shuf, !dbg ![[LOC]]
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; CHECK: extractelement <2 x i32> %bin.rdx, i32 0, !dbg ![[LOC]]
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define i32 @f(i32* nocapture %a, i32 %size) #0 !dbg !4 {
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entry:
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tail call void @llvm.dbg.value(metadata i32* %a, metadata !13, metadata !DIExpression()), !dbg !19
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tail call void @llvm.dbg.value(metadata i32 %size, metadata !14, metadata !DIExpression()), !dbg !19
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tail call void @llvm.dbg.value(metadata i32 0, metadata !15, metadata !DIExpression()), !dbg !20
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tail call void @llvm.dbg.value(metadata i32 0, metadata !16, metadata !DIExpression()), !dbg !21
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%cmp4 = icmp eq i32 %size, 0, !dbg !21
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br i1 %cmp4, label %for.end, label %for.body.lr.ph, !dbg !21
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for.body.lr.ph: ; preds = %entry
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br label %for.body, !dbg !21
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for.body: ; preds = %for.body.lr.ph, %for.body
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%indvars.iv = phi i64 [ 0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]
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%sum.05 = phi i32 [ 0, %for.body.lr.ph ], [ %add, %for.body ]
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%arrayidx = getelementptr inbounds i32, i32* %a, i64 %indvars.iv, !dbg !22
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%0 = load i32, i32* %arrayidx, align 4, !dbg !22
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%add = add i32 %0, %sum.05, !dbg !22
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tail call void @llvm.dbg.value(metadata i32 %add.lcssa, metadata !15, metadata !DIExpression()), !dbg !22
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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 !{null}, metadata !16, metadata !DIExpression()), !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, %size, !dbg !22
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br i1 %exitcond, label %for.body, label %for.cond.for.end_crit_edge, !dbg !21
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for.cond.for.end_crit_edge: ; preds = %for.body
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%add.lcssa = phi i32 [ %add, %for.body ]
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br label %for.end, !dbg !21
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for.end: ; preds = %entry, %for.cond.for.end_crit_edge
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%sum.0.lcssa = phi i32 [ %add.lcssa, %for.cond.for.end_crit_edge ], [ 0, %entry ]
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ret i32 %sum.0.lcssa, !dbg !26
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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, metadata, metadata) #1
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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" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!18, !27}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 185038) (llvm/trunk 185097)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "-", directory: "/Volumes/Data/backedup/dev/os/llvm/debug")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "f", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 3, file: !5, scope: !6, type: !7, variables: !12)
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!5 = !DIFile(filename: "<stdin>", directory: "/Volumes/Data/backedup/dev/os/llvm/debug")
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!6 = !DIFile(filename: "<stdin>", directory: "/Volumes/Data/backedup/dev/os/llvm/debug")
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!7 = !DISubroutineType(types: !8)
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!8 = !{!9, !10, !11}
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!9 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !9)
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!11 = !DIBasicType(tag: DW_TAG_base_type, name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned)
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!12 = !{!13, !14, !15, !16}
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!13 = !DILocalVariable(name: "a", line: 3, arg: 1, scope: !4, file: !6, type: !10)
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!14 = !DILocalVariable(name: "size", line: 3, arg: 2, scope: !4, file: !6, type: !11)
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!15 = !DILocalVariable(name: "sum", line: 4, scope: !4, file: !6, type: !11)
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!16 = !DILocalVariable(name: "i", line: 5, scope: !17, file: !6, type: !11)
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!17 = distinct !DILexicalBlock(line: 5, column: 0, file: !5, scope: !4)
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!18 = !{i32 2, !"Dwarf Version", i32 3}
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!19 = !DILocation(line: 3, scope: !4)
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!20 = !DILocation(line: 4, scope: !4)
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!21 = !DILocation(line: 5, scope: !17)
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!22 = !DILocation(line: 6, scope: !17)
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!26 = !DILocation(line: 7, scope: !4)
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!27 = !{i32 1, !"Debug Info Version", i32 3}
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