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58 lines
2.8 KiB
LLVM
58 lines
2.8 KiB
LLVM
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; RUN: opt < %s -enable-cond-stores-vec=false -loop-vectorize -S -pass-remarks-missed='loop-vectorize' -pass-remarks-analysis='loop-vectorize' 2>&1 | FileCheck %s
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; RUN: opt < %s -enable-cond-stores-vec=false -passes=loop-vectorize -S -pass-remarks-missed='loop-vectorize' -pass-remarks-analysis='loop-vectorize' 2>&1 | FileCheck %s
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; CHECK: remark: source.c:2:8: the cost-model indicates that vectorization is not beneficial
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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; Function Attrs: nounwind ssp uwtable
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define void @conditional_store(i32* noalias nocapture %indices) #0 !dbg !4 {
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entry:
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br label %for.body, !dbg !10
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for.body: ; preds = %for.inc, %entry
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%indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ]
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%arrayidx = getelementptr inbounds i32, i32* %indices, i64 %indvars.iv, !dbg !12
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%0 = load i32, i32* %arrayidx, align 4, !dbg !12, !tbaa !14
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%cmp1 = icmp eq i32 %0, 1024, !dbg !12
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br i1 %cmp1, label %if.then, label %for.inc, !dbg !12
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if.then: ; preds = %for.body
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store i32 0, i32* %arrayidx, align 4, !dbg !18, !tbaa !14
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br label %for.inc, !dbg !18
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for.inc: ; preds = %for.body, %if.then
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%indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10
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%exitcond = icmp eq i64 %indvars.iv.next, 4096, !dbg !10
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br i1 %exitcond, label %for.end, label %for.body, !dbg !10
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for.end: ; preds = %for.inc
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ret void, !dbg !19
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}
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attributes #0 = { nounwind }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!7, !8}
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!llvm.ident = !{!9}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0", isOptimized: true, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "source.c", directory: ".")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "conditional_store", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, retainedNodes: !2)
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!5 = !DIFile(filename: "source.c", directory: ".")
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!6 = !DISubroutineType(types: !2)
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!7 = !{i32 2, !"Dwarf Version", i32 2}
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!8 = !{i32 2, !"Debug Info Version", i32 3}
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!9 = !{!"clang version 3.6.0"}
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!10 = !DILocation(line: 2, column: 8, scope: !11)
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!11 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !4)
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!12 = !DILocation(line: 3, column: 9, scope: !13)
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!13 = distinct !DILexicalBlock(line: 3, column: 9, file: !1, scope: !11)
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!14 = !{!15, !15, i64 0}
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!15 = !{!"int", !16, i64 0}
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!16 = !{!"omnipotent char", !17, i64 0}
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!17 = !{!"Simple C/C++ TBAA"}
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!18 = !DILocation(line: 3, column: 29, scope: !13)
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!19 = !DILocation(line: 4, column: 1, scope: !4)
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