• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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]] = !DILocation(line: 4, scope:
22;CHECK: ![[LOC2]] = !DILocation(line: 7, scope:
23
24define i32 @depth(double* nocapture %A, i32 %m) #0 !dbg !4 {
25entry:
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
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 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.4 (trunk 187335) (llvm/trunk 187335:187340M)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
61!1 = !DIFile(filename: "file.c", directory: "/Users/nadav")
62!2 = !{}
63!4 = distinct !DISubprogram(name: "depth", line: 1, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !11)
64!5 = !DIFile(filename: "file.c", directory: "/Users/nadav")
65!6 = !DISubroutineType(types: !7)
66!7 = !{!8, !9, !8}
67!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
68!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !10)
69!10 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
70!11 = !{!12, !13, !14, !15, !16}
71!12 = !DILocalVariable(name: "A", line: 1, arg: 1, scope: !4, file: !5, type: !9)
72!13 = !DILocalVariable(name: "m", line: 1, arg: 2, scope: !4, file: !5, type: !8)
73!14 = !DILocalVariable(name: "y0", line: 2, scope: !4, file: !5, type: !10)
74!15 = !DILocalVariable(name: "y1", line: 2, scope: !4, file: !5, type: !10)
75!16 = !DILocalVariable(name: "i", line: 3, scope: !17, file: !5, type: !8)
76!17 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !4)
77!18 = !{i32 2, !"Dwarf Version", i32 2}
78!19 = !DILocation(line: 1, scope: !4)
79!20 = !{double 0.000000e+00}
80!21 = !DILocation(line: 2, scope: !4)
81!22 = !{double 1.000000e+00}
82!23 = !DILocation(line: 3, scope: !17)
83!24 = !DILocation(line: 4, scope: !25)
84!25 = distinct !DILexicalBlock(line: 3, column: 0, file: !1, scope: !17)
85!29 = !DILocation(line: 5, scope: !25)
86!30 = !DILocation(line: 7, scope: !4)
87!31 = !DILocation(line: 8, scope: !4)
88!32 = !{i32 1, !"Debug Info Version", i32 3}
89