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90 lines
6.0 KiB
LLVM
90 lines
6.0 KiB
LLVM
; RUN: opt -S < %s -loop-vectorize -force-vector-unroll=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: cmp.zero = icmp eq i64 {{.*}}, 0, !dbg ![[LOC:[0-9]+]]
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; CHECK: vector.body
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; CHECK: index {{.*}}, !dbg ![[LOC]]
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; CHECK: getelementptr inbounds i32* %a, {{.*}}, !dbg ![[LOC2:[0-9]+]]
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; CHECK: load <2 x i32>* {{.*}}, !dbg ![[LOC2]]
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; CHECK: add <2 x i32> {{.*}}, !dbg ![[LOC2]]
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; CHECK: add i64 %index, 2, !dbg ![[LOC]]
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; CHECK: icmp eq i64 %index.next, %end.idx.rnd.down, !dbg ![[LOC]]
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; CHECK: middle.block
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; CHECK: add <2 x i32> %rdx.vec.exit.phi, %rdx.shuf, !dbg ![[LOC2]]
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; CHECK: extractelement <2 x i32> %bin.rdx, i32 0, !dbg ![[LOC2]]
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define i32 @f(i32* nocapture %a, i32 %size) #0 {
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entry:
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tail call void @llvm.dbg.value(metadata !{i32* %a}, i64 0, metadata !13), !dbg !19
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tail call void @llvm.dbg.value(metadata !{i32 %size}, i64 0, metadata !14), !dbg !19
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tail call void @llvm.dbg.value(metadata !2, i64 0, metadata !15), !dbg !20
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tail call void @llvm.dbg.value(metadata !2, i64 0, metadata !16), !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* %a, i64 %indvars.iv, !dbg !22
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%0 = load 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}, i64 0, metadata !15), !dbg !22
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%indvars.iv.next = add i64 %indvars.iv, 1, !dbg !21
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tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !16), !dbg !21
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%lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !21
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%exitcond = icmp ne i32 %lftr.wideiv, %size, !dbg !21
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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) #1
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.value(metadata, i64, 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}
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!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.4 (trunk 185038) (llvm/trunk 185097)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Volumes/Data/backedup/dev/os/llvm/debug/-] [DW_LANG_C99]
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!1 = metadata !{metadata !"-", metadata !"/Volumes/Data/backedup/dev/os/llvm/debug"}
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!2 = metadata !{i32 0}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"f", metadata !"f", metadata !"", i32 3, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (i32*, i32)* @f, null, null, metadata !12, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f]
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!5 = metadata !{metadata !"<stdin>", metadata !"/Volumes/Data/backedup/dev/os/llvm/debug"}
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!6 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/Volumes/Data/backedup/dev/os/llvm/debug/<stdin>]
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!7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!8 = metadata !{metadata !9, metadata !10, metadata !11}
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!9 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!10 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
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!11 = metadata !{i32 786468, null, null, metadata !"unsigned int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 7} ; [ DW_TAG_base_type ] [unsigned int] [line 0, size 32, align 32, offset 0, enc DW_ATE_unsigned]
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!12 = metadata !{metadata !13, metadata !14, metadata !15, metadata !16}
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!13 = metadata !{i32 786689, metadata !4, metadata !"a", metadata !6, i32 16777219, metadata !10, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [a] [line 3]
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!14 = metadata !{i32 786689, metadata !4, metadata !"size", metadata !6, i32 33554435, metadata !11, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [size] [line 3]
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!15 = metadata !{i32 786688, metadata !4, metadata !"sum", metadata !6, i32 4, metadata !11, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [sum] [line 4]
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!16 = metadata !{i32 786688, metadata !17, metadata !"i", metadata !6, i32 5, metadata !11, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [i] [line 5]
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!17 = metadata !{i32 786443, metadata !5, metadata !4, i32 5, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/Volumes/Data/backedup/dev/os/llvm/debug/<stdin>]
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!18 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
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!19 = metadata !{i32 3, i32 0, metadata !4, null}
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!20 = metadata !{i32 4, i32 0, metadata !4, null}
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!21 = metadata !{i32 5, i32 0, metadata !17, null}
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!22 = metadata !{i32 6, i32 0, metadata !17, null}
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!26 = metadata !{i32 7, i32 0, metadata !4, null}
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