1 ; RUN: opt < %s -basicaa -slp-vectorizer -dce -S -mtriple=x86_64-apple-macosx10.8.0 -mcpu=corei7-avx | FileCheck %s
3 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"
4 target triple = "x86_64-apple-macosx10.7.0"
6 ; int depth(double *A, int m) {
7 ; double y0 = 0; double y1 = 1;
8 ; for (int i=0; i < m; i++) {
12 ; A[8] = y0; A[8+1] = y1;
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]+]]
21 ;CHECK: ![[LOC]] = !DILocation(line: 4, scope:
22 ;CHECK: ![[LOC2]] = !DILocation(line: 7, scope:
24 define i32 @depth(double* nocapture %A, i32 %m) #0 !dbg !4 {
26 tail call void @llvm.dbg.value(metadata double* %A, i64 0, metadata !12, metadata !DIExpression()), !dbg !19
27 tail call void @llvm.dbg.value(metadata i32 %m, i64 0, metadata !13, metadata !DIExpression()), !dbg !19
28 tail call void @llvm.dbg.value(metadata double 0.0, i64 0, metadata !14, metadata !DIExpression()), !dbg !21
29 tail call void @llvm.dbg.value(metadata double 0.2, i64 0, metadata !15, metadata !DIExpression()), !dbg !21
30 tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !DIExpression()), !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
34 for.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
41 for.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
51 ; Function Attrs: nounwind readnone
52 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
54 attributes #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" }
55 attributes #1 = { nounwind readnone }
58 !llvm.module.flags = !{!18, !32}
60 !0 = distinct !DICompileUnit(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 = !DIFile(filename: "file.c", directory: "/Users/nadav")
64 !4 = distinct !DISubprogram(name: "depth", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !11)
65 !5 = !DIFile(filename: "file.c", directory: "/Users/nadav")
66 !6 = !DISubroutineType(types: !7)
68 !8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
69 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10)
70 !10 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
71 !11 = !{!12, !13, !14, !15, !16}
72 !12 = !DILocalVariable(name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !9)
73 !13 = !DILocalVariable(name: "m", line: 1, arg: 2, scope: !4, file: !5, type: !8)
74 !14 = !DILocalVariable(name: "y0", line: 2, scope: !4, file: !5, type: !10)
75 !15 = !DILocalVariable(name: "y1", line: 2, scope: !4, file: !5, type: !10)
76 !16 = !DILocalVariable(name: "i", line: 3, scope: !17, file: !5, type: !8)
77 !17 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !4)
78 !18 = !{i32 2, !"Dwarf Version", i32 2}
79 !19 = !DILocation(line: 1, scope: !4)
80 !20 = !{double 0.000000e+00}
81 !21 = !DILocation(line: 2, scope: !4)
82 !22 = !{double 1.000000e+00}
83 !23 = !DILocation(line: 3, scope: !17)
84 !24 = !DILocation(line: 4, scope: !25)
85 !25 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !17)
86 !29 = !DILocation(line: 5, scope: !25)
87 !30 = !DILocation(line: 7, scope: !4)
88 !31 = !DILocation(line: 8, scope: !4)
89 !32 = !{i32 1, !"Debug Info Version", i32 3}