1; NOTE: Assertions have been autogenerated by utils/update_test_checks.py 2; 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 3; 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 4 5; CHECK: remark: source.c:2:8: the cost-model indicates that vectorization is not beneficial 6 7target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 8 9; Function Attrs: nounwind ssp uwtable 10define void @conditional_store(i32* noalias nocapture %indices) #0 !dbg !4 { 11; CHECK-LABEL: @conditional_store( 12; CHECK-NEXT: entry: 13; CHECK-NEXT: br label [[FOR_BODY:%.*]], !dbg [[DBG8:![0-9]+]] 14; CHECK: for.body: 15; CHECK-NEXT: [[INDVARS_IV:%.*]] = phi i64 [ 0, [[ENTRY:%.*]] ], [ [[INDVARS_IV_NEXT:%.*]], [[FOR_INC:%.*]] ] 16; CHECK-NEXT: [[ARRAYIDX:%.*]] = getelementptr inbounds i32, i32* [[INDICES:%.*]], i64 [[INDVARS_IV]], !dbg [[DBG10:![0-9]+]] 17; CHECK-NEXT: [[TMP0:%.*]] = load i32, i32* [[ARRAYIDX]], align 4, !dbg [[DBG10]], !tbaa [[TBAA12:![0-9]+]] 18; CHECK-NEXT: [[CMP1:%.*]] = icmp eq i32 [[TMP0]], 1024, !dbg [[DBG10]] 19; CHECK-NEXT: br i1 [[CMP1]], label [[IF_THEN:%.*]], label [[FOR_INC]], !dbg [[DBG10]] 20; CHECK: if.then: 21; CHECK-NEXT: store i32 0, i32* [[ARRAYIDX]], align 4, !dbg [[DBG16:![0-9]+]], !tbaa [[TBAA12]] 22; CHECK-NEXT: br label [[FOR_INC]], !dbg [[DBG16]] 23; CHECK: for.inc: 24; CHECK-NEXT: [[INDVARS_IV_NEXT]] = add nuw nsw i64 [[INDVARS_IV]], 1, !dbg [[DBG8]] 25; CHECK-NEXT: [[EXITCOND:%.*]] = icmp eq i64 [[INDVARS_IV_NEXT]], 4096, !dbg [[DBG8]] 26; CHECK-NEXT: br i1 [[EXITCOND]], label [[FOR_END:%.*]], label [[FOR_BODY]], !dbg [[DBG8]] 27; CHECK: for.end: 28; CHECK-NEXT: ret void, !dbg [[DBG17:![0-9]+]] 29; 30entry: 31 br label %for.body, !dbg !10 32 33for.body: ; preds = %for.inc, %entry 34 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.inc ] 35 %arrayidx = getelementptr inbounds i32, i32* %indices, i64 %indvars.iv, !dbg !12 36 %0 = load i32, i32* %arrayidx, align 4, !dbg !12, !tbaa !14 37 %cmp1 = icmp eq i32 %0, 1024, !dbg !12 38 br i1 %cmp1, label %if.then, label %for.inc, !dbg !12 39 40if.then: ; preds = %for.body 41 store i32 0, i32* %arrayidx, align 4, !dbg !18, !tbaa !14 42 br label %for.inc, !dbg !18 43 44for.inc: ; preds = %for.body, %if.then 45 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1, !dbg !10 46 %exitcond = icmp eq i64 %indvars.iv.next, 4096, !dbg !10 47 br i1 %exitcond, label %for.end, label %for.body, !dbg !10 48 49for.end: ; preds = %for.inc 50 ret void, !dbg !19 51} 52 53attributes #0 = { nounwind } 54 55!llvm.dbg.cu = !{!0} 56!llvm.module.flags = !{!7, !8} 57!llvm.ident = !{!9} 58 59!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) 60!1 = !DIFile(filename: "source.c", directory: ".") 61!2 = !{} 62!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) 63!5 = !DIFile(filename: "source.c", directory: ".") 64!6 = !DISubroutineType(types: !2) 65!7 = !{i32 2, !"Dwarf Version", i32 2} 66!8 = !{i32 2, !"Debug Info Version", i32 3} 67!9 = !{!"clang version 3.6.0"} 68!10 = !DILocation(line: 2, column: 8, scope: !11) 69!11 = distinct !DILexicalBlock(line: 2, column: 3, file: !1, scope: !4) 70!12 = !DILocation(line: 3, column: 9, scope: !13) 71!13 = distinct !DILexicalBlock(line: 3, column: 9, file: !1, scope: !11) 72!14 = !{!15, !15, i64 0} 73!15 = !{!"int", !16, i64 0} 74!16 = !{!"omnipotent char", !17, i64 0} 75!17 = !{!"Simple C/C++ TBAA"} 76!18 = !DILocation(line: 3, column: 29, scope: !13) 77!19 = !DILocation(line: 4, column: 1, scope: !4) 78