1; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s 2 3target 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" 4target triple = "x86_64-apple-macosx10.7.0" 5 6; int depth(double *A, int m) { 7; double y0 = 0; double y1 = 1; 8; for (int i=0; i < m; i++) { 9; y0 = A[4]; 10; y1 = A[5]; 11; } 12; A[8] = y0; A[8+1] = y1; 13; } 14 15;CHECK: @depth 16;CHECK: getelementptr inbounds {{.*}}, !dbg ![[LOC:[0-9]+]] 17;CHECK: bitcast double* {{.*}}, !dbg ![[LOC]] 18;CHECK: load <2 x double>, <2 x double>* {{.*}}, !dbg ![[LOC]] 19;CHECK: store <2 x double> {{.*}}, !dbg ![[LOC2:[0-9]+]] 20;CHECK: ret 21;CHECK: ![[LOC]] = !MDLocation(line: 4, scope: 22;CHECK: ![[LOC2]] = !MDLocation(line: 7, scope: 23 24define i32 @depth(double* nocapture %A, i32 %m) #0 { 25entry: 26 tail call void @llvm.dbg.value(metadata double* %A, i64 0, metadata !12, metadata !MDExpression()), !dbg !19 27 tail call void @llvm.dbg.value(metadata i32 %m, i64 0, metadata !13, metadata !MDExpression()), !dbg !19 28 tail call void @llvm.dbg.value(metadata i32 00, i64 0, metadata !14, metadata !MDExpression()), !dbg !21 29 tail call void @llvm.dbg.value(metadata i32 02, i64 0, metadata !15, metadata !MDExpression()), !dbg !21 30 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !MDExpression()), !dbg !23 31 %cmp8 = icmp sgt i32 %m, 0, !dbg !23 32 br i1 %cmp8, label %for.body.lr.ph, label %for.end, !dbg !23 33 34for.body.lr.ph: ; preds = %entry 35 %arrayidx = getelementptr inbounds double, double* %A, i64 4, !dbg !24 36 %0 = load double, double* %arrayidx, align 8, !dbg !24 37 %arrayidx1 = getelementptr inbounds double, double* %A, i64 5, !dbg !29 38 %1 = load double, double* %arrayidx1, align 8, !dbg !29 39 br label %for.end, !dbg !23 40 41for.end: ; preds = %for.body.lr.ph, %entry 42 %y1.0.lcssa = phi double [ %1, %for.body.lr.ph ], [ 1.000000e+00, %entry ] 43 %y0.0.lcssa = phi double [ %0, %for.body.lr.ph ], [ 0.000000e+00, %entry ] 44 %arrayidx2 = getelementptr inbounds double, double* %A, i64 8, !dbg !30 45 store double %y0.0.lcssa, double* %arrayidx2, align 8, !dbg !30 46 %arrayidx3 = getelementptr inbounds double, double* %A, i64 9, !dbg !30 47 store double %y1.0.lcssa, double* %arrayidx3, align 8, !dbg !30 48 ret i32 undef, !dbg !31 49} 50 51; Function Attrs: nounwind readnone 52declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 53 54attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 55attributes #1 = { nounwind readnone } 56 57!llvm.dbg.cu = !{!0} 58!llvm.module.flags = !{!18, !32} 59 60!0 = !MDCompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 187335) (llvm/trunk 187335:187340M)", isOptimized: true, emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 61!1 = !MDFile(filename: "file.c", directory: "/Users/nadav") 62!2 = !{} 63!3 = !{!4} 64!4 = !MDSubprogram(name: "depth", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !1, scope: !5, type: !6, function: i32 (double*, i32)* @depth, variables: !11) 65!5 = !MDFile(filename: "file.c", directory: "/Users/nadav") 66!6 = !MDSubroutineType(types: !7) 67!7 = !{!8, !9, !8} 68!8 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 69!9 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10) 70!10 = !MDBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float) 71!11 = !{!12, !13, !14, !15, !16} 72!12 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !9) 73!13 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "m", line: 1, arg: 2, scope: !4, file: !5, type: !8) 74!14 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "y0", line: 2, scope: !4, file: !5, type: !10) 75!15 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "y1", line: 2, scope: !4, file: !5, type: !10) 76!16 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "i", line: 3, scope: !17, file: !5, type: !8) 77!17 = distinct !MDLexicalBlock(line: 3, column: 0, file: !1, scope: !4) 78!18 = !{i32 2, !"Dwarf Version", i32 2} 79!19 = !MDLocation(line: 1, scope: !4) 80!20 = !{double 0.000000e+00} 81!21 = !MDLocation(line: 2, scope: !4) 82!22 = !{double 1.000000e+00} 83!23 = !MDLocation(line: 3, scope: !17) 84!24 = !MDLocation(line: 4, scope: !25) 85!25 = distinct !MDLexicalBlock(line: 3, column: 0, file: !1, scope: !17) 86!29 = !MDLocation(line: 5, scope: !25) 87!30 = !MDLocation(line: 7, scope: !4) 88!31 = !MDLocation(line: 8, scope: !4) 89!32 = !{i32 1, !"Debug Info Version", i32 3} 90