1 ; RUN: opt < %s -S -loop-vectorize -force-vector-interleave=1 -force-vector-width=4 -dce -instcombine | FileCheck %s
2 ; Make sure we vectorize with debugging turned on.
4 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"
5 target triple = "x86_64-apple-macosx10.8.0"
7 @A = global [1024 x i32] zeroinitializer, align 16
8 @B = global [1024 x i32] zeroinitializer, align 16
9 @C = global [1024 x i32] zeroinitializer, align 16
12 define i32 @test() #0 {
14 tail call void @llvm.dbg.value(metadata !1, i64 0, metadata !9, metadata !{}), !dbg !18
15 br label %for.body, !dbg !18
18 ;CHECK: load <4 x i32>
19 %indvars.iv = phi i64 [ 0, %entry ], [ %indvars.iv.next, %for.body ]
20 %arrayidx = getelementptr inbounds [1024 x i32]* @B, i64 0, i64 %indvars.iv, !dbg !19
21 %0 = load i32* %arrayidx, align 4, !dbg !19
22 %arrayidx2 = getelementptr inbounds [1024 x i32]* @C, i64 0, i64 %indvars.iv, !dbg !19
23 %1 = load i32* %arrayidx2, align 4, !dbg !19
24 %add = add nsw i32 %1, %0, !dbg !19
25 %arrayidx4 = getelementptr inbounds [1024 x i32]* @A, i64 0, i64 %indvars.iv, !dbg !19
26 store i32 %add, i32* %arrayidx4, align 4, !dbg !19
27 %indvars.iv.next = add i64 %indvars.iv, 1, !dbg !18
28 tail call void @llvm.dbg.value(metadata !{null}, i64 0, metadata !9, metadata !{}), !dbg !18
29 %lftr.wideiv = trunc i64 %indvars.iv.next to i32, !dbg !18
30 %exitcond = icmp ne i32 %lftr.wideiv, 1024, !dbg !18
31 br i1 %exitcond, label %for.body, label %for.end, !dbg !18
37 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
39 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
41 attributes #0 = { nounwind ssp uwtable "fp-contract-model"="standard" "no-frame-pointer-elim" "no-frame-pointer-elim-non-leaf" "relocation-model"="pic" "ssp-buffers-size"="8" }
42 attributes #1 = { nounwind readnone }
45 !llvm.module.flags = !{!26}
47 !0 = metadata !{metadata !"0x11\004\00clang\001\00\000\00\000", metadata !25, metadata !1, metadata !1, metadata !2, metadata !11, null} ; [ DW_TAG_compile_unit ]
48 !1 = metadata !{i32 0}
49 !2 = metadata !{metadata !3}
50 !3 = metadata !{metadata !"0x2e\00test\00test\00test\005\000\001\000\006\00256\001\005", metadata !25, metadata !4, metadata !5, null, i32 ()* @test, null, null, metadata !8} ; [ DW_TAG_subprogram ]
51 !4 = metadata !{metadata !"0x29", metadata !25} ; [ DW_TAG_file_type ]
52 !5 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", i32 0, null, null, metadata !6, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
53 !6 = metadata !{metadata !7}
54 !7 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
55 !8 = metadata !{metadata !9}
56 !9 = metadata !{metadata !"0x100\00i\006\000", metadata !10, metadata !4, metadata !7} ; [ DW_TAG_auto_variable ]
57 !10 = metadata !{metadata !"0xb\006\000\000", metadata !25, metadata !3} ; [ DW_TAG_lexical_block ]
58 !11 = metadata !{metadata !12, metadata !16, metadata !17}
59 !12 = metadata !{metadata !"0x34\00A\00A\00\001\000\001", null, metadata !4, metadata !13, [1024 x i32]* @A, null} ; [ DW_TAG_variable ]
60 !13 = metadata !{metadata !"0x1\00\000\0032768\0032\000\000", null, null, metadata !7, metadata !14, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 32768, align 32, offset 0] [from int]
61 !14 = metadata !{metadata !15}
62 !15 = metadata !{i32 786465, i64 0, i64 1024}
63 !16 = metadata !{metadata !"0x34\00B\00B\00\002\000\001", null, metadata !4, metadata !13, [1024 x i32]* @B, null} ; [ DW_TAG_variable ]
64 !17 = metadata !{metadata !"0x34\00C\00C\00\003\000\001", null, metadata !4, metadata !13, [1024 x i32]* @C, null} ; [ DW_TAG_variable ]
65 !18 = metadata !{i32 6, i32 0, metadata !10, null}
66 !19 = metadata !{i32 7, i32 0, metadata !20, null}
67 !20 = metadata !{metadata !"0xb\006\000\001", metadata !25, metadata !10} ; [ DW_TAG_lexical_block ]
68 !24 = metadata !{i32 9, i32 0, metadata !3, null}
69 !25 = metadata !{metadata !"test", metadata !"/path/to/somewhere"}
70 !26 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}