1 ; RUN: llc -O0 -mtriple=arm-apple-darwin < %s | grep DW_OP_breg
2 ; Use DW_OP_breg in variable's location expression if the variable is in a stack slot.
4 %struct.SVal = type { i8*, i32 }
6 define i32 @_Z3fooi4SVal(i32 %i, %struct.SVal* noalias %location) nounwind ssp {
8 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
9 call void @llvm.dbg.value(metadata !{i32 %i}, i64 0, metadata !23, metadata !{metadata !"0x102"}), !dbg !24
10 call void @llvm.dbg.value(metadata !{%struct.SVal* %location}, i64 0, metadata !25, metadata !{metadata !"0x102"}), !dbg !24
11 %0 = icmp ne i32 %i, 0, !dbg !27 ; <i1> [#uses=1]
12 br i1 %0, label %bb, label %bb1, !dbg !27
15 %1 = getelementptr inbounds %struct.SVal* %location, i32 0, i32 1, !dbg !29 ; <i32*> [#uses=1]
16 %2 = load i32* %1, align 8, !dbg !29 ; <i32> [#uses=1]
17 %3 = add i32 %2, %i, !dbg !29 ; <i32> [#uses=1]
18 br label %bb2, !dbg !29
21 %4 = getelementptr inbounds %struct.SVal* %location, i32 0, i32 1, !dbg !30 ; <i32*> [#uses=1]
22 %5 = load i32* %4, align 8, !dbg !30 ; <i32> [#uses=1]
23 %6 = sub i32 %5, 1, !dbg !30 ; <i32> [#uses=1]
24 br label %bb2, !dbg !30
26 bb2: ; preds = %bb1, %bb
27 %.0 = phi i32 [ %3, %bb ], [ %6, %bb1 ] ; <i32> [#uses=1]
28 br label %return, !dbg !29
30 return: ; preds = %bb2
34 define linkonce_odr void @_ZN4SValC1Ev(%struct.SVal* %this) nounwind ssp align 2 {
36 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
37 call void @llvm.dbg.value(metadata !{%struct.SVal* %this}, i64 0, metadata !31, metadata !{metadata !"0x102"}), !dbg !34
38 %0 = getelementptr inbounds %struct.SVal* %this, i32 0, i32 0, !dbg !34 ; <i8**> [#uses=1]
39 store i8* null, i8** %0, align 8, !dbg !34
40 %1 = getelementptr inbounds %struct.SVal* %this, i32 0, i32 1, !dbg !34 ; <i32*> [#uses=1]
41 store i32 0, i32* %1, align 8, !dbg !34
42 br label %return, !dbg !34
44 return: ; preds = %entry
48 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
50 define i32 @main() nounwind ssp {
52 %0 = alloca %struct.SVal ; <%struct.SVal*> [#uses=3]
53 %v = alloca %struct.SVal ; <%struct.SVal*> [#uses=4]
54 %"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
55 call void @llvm.dbg.declare(metadata !{%struct.SVal* %v}, metadata !38, metadata !{metadata !"0x102"}), !dbg !41
56 call void @_ZN4SValC1Ev(%struct.SVal* %v) nounwind, !dbg !41
57 %1 = getelementptr inbounds %struct.SVal* %v, i32 0, i32 1, !dbg !42 ; <i32*> [#uses=1]
58 store i32 1, i32* %1, align 8, !dbg !42
59 %2 = getelementptr inbounds %struct.SVal* %0, i32 0, i32 0, !dbg !43 ; <i8**> [#uses=1]
60 %3 = getelementptr inbounds %struct.SVal* %v, i32 0, i32 0, !dbg !43 ; <i8**> [#uses=1]
61 %4 = load i8** %3, align 8, !dbg !43 ; <i8*> [#uses=1]
62 store i8* %4, i8** %2, align 8, !dbg !43
63 %5 = getelementptr inbounds %struct.SVal* %0, i32 0, i32 1, !dbg !43 ; <i32*> [#uses=1]
64 %6 = getelementptr inbounds %struct.SVal* %v, i32 0, i32 1, !dbg !43 ; <i32*> [#uses=1]
65 %7 = load i32* %6, align 8, !dbg !43 ; <i32> [#uses=1]
66 store i32 %7, i32* %5, align 8, !dbg !43
67 %8 = call i32 @_Z3fooi4SVal(i32 2, %struct.SVal* noalias %0) nounwind, !dbg !43 ; <i32> [#uses=0]
68 call void @llvm.dbg.value(metadata !{i32 %8}, i64 0, metadata !44, metadata !{metadata !"0x102"}), !dbg !43
69 br label %return, !dbg !45
71 return: ; preds = %entry
75 declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
78 !llvm.module.flags = !{!49}
80 !0 = metadata !{metadata !"0x2e\00SVal\00SVal\00\0011\000\000\000\006\000\000\000", metadata !48, metadata !1, metadata !14, null, null, null, null, null} ; [ DW_TAG_subprogram ]
81 !1 = metadata !{metadata !"0x13\00SVal\001\00128\0064\000\000\000", metadata !48, null, null, metadata !4, null, null, null} ; [ DW_TAG_structure_type ] [SVal] [line 1, size 128, align 64, offset 0] [def] [from ]
82 !2 = metadata !{metadata !"0x29", metadata !48} ; [ DW_TAG_file_type ]
83 !3 = metadata !{metadata !"0x11\004\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\000\00\000\00\001", metadata !48, metadata !47, metadata !47, metadata !46, metadata !47, metadata !47} ; [ DW_TAG_compile_unit ]
84 !4 = metadata !{metadata !5, metadata !7, metadata !0, metadata !9}
85 !5 = metadata !{metadata !"0xd\00Data\007\0064\0064\000\000", metadata !48, metadata !1, metadata !6} ; [ DW_TAG_member ]
86 !6 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", metadata !48, null, null} ; [ DW_TAG_pointer_type ]
87 !7 = metadata !{metadata !"0xd\00Kind\008\0032\0032\0064\000", metadata !48, metadata !1, metadata !8} ; [ DW_TAG_member ]
88 !8 = metadata !{metadata !"0x24\00unsigned int\000\0032\0032\000\000\007", metadata !48, null} ; [ DW_TAG_base_type ]
89 !9 = metadata !{metadata !"0x2e\00~SVal\00~SVal\00\0012\000\000\000\006\000\000\000", metadata !48, metadata !1, metadata !10, null, null, null, null, null} ; [ DW_TAG_subprogram ]
90 !10 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !48, null, null, metadata !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
91 !11 = metadata !{null, metadata !12, metadata !13}
92 !12 = metadata !{metadata !"0xf\00\000\0064\0064\000\0064", metadata !48, null, metadata !1} ; [ DW_TAG_pointer_type ]
93 !13 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", metadata !48, null} ; [ DW_TAG_base_type ]
94 !14 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !48, null, null, metadata !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
95 !15 = metadata !{null, metadata !12}
96 !16 = metadata !{metadata !"0x2e\00SVal\00SVal\00_ZN4SValC1Ev\0011\000\001\000\006\000\000\000", metadata !48, metadata !1, metadata !14, null, void (%struct.SVal*)* @_ZN4SValC1Ev, null, null, null} ; [ DW_TAG_subprogram ]
97 !17 = metadata !{metadata !"0x2e\00foo\00foo\00_Z3fooi4SVal\0016\000\001\000\006\000\000\000", metadata !48, metadata !2, metadata !18, null, i32 (i32, %struct.SVal*)* @_Z3fooi4SVal, null, null, null} ; [ DW_TAG_subprogram ]
98 !18 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !48, null, null, metadata !19, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
99 !19 = metadata !{metadata !13, metadata !13, metadata !1}
100 !20 = metadata !{metadata !"0x2e\00main\00main\00main\0023\000\001\000\006\000\000\000", metadata !48, metadata !2, metadata !21, null, i32 ()* @main, null, null, null} ; [ DW_TAG_subprogram ]
101 !21 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", metadata !48, null, null, metadata !22, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
102 !22 = metadata !{metadata !13}
103 !23 = metadata !{metadata !"0x101\00i\0016\000", metadata !17, metadata !2, metadata !13} ; [ DW_TAG_arg_variable ]
104 !24 = metadata !{i32 16, i32 0, metadata !17, null}
105 !25 = metadata !{metadata !"0x101\00location\0016\000", metadata !17, metadata !2, metadata !26} ; [ DW_TAG_arg_variable ]
106 !26 = metadata !{metadata !"0x10\00SVal\000\0064\0064\000\000", metadata !48, metadata !2, metadata !1} ; [ DW_TAG_reference_type ]
107 !27 = metadata !{i32 17, i32 0, metadata !28, null}
108 !28 = metadata !{metadata !"0xb\0016\000\002", metadata !2, metadata !17} ; [ DW_TAG_lexical_block ]
109 !29 = metadata !{i32 18, i32 0, metadata !28, null}
110 !30 = metadata !{i32 20, i32 0, metadata !28, null}
111 !31 = metadata !{metadata !"0x101\00this\0011\000", metadata !16, metadata !2, metadata !32} ; [ DW_TAG_arg_variable ]
112 !32 = metadata !{metadata !"0x26\00\000\0064\0064\000\0064", metadata !48, metadata !2, metadata !33} ; [ DW_TAG_const_type ]
113 !33 = metadata !{metadata !"0xf\00\000\0064\0064\000\000", metadata !48, metadata !2, metadata !1} ; [ DW_TAG_pointer_type ]
114 !34 = metadata !{i32 11, i32 0, metadata !16, null}
115 !35 = metadata !{i32 11, i32 0, metadata !36, null}
116 !36 = metadata !{metadata !"0xb\0011\000\001", metadata !48, metadata !37} ; [ DW_TAG_lexical_block ]
117 !37 = metadata !{metadata !"0xb\0011\000\000", metadata !48, metadata !16} ; [ DW_TAG_lexical_block ]
118 !38 = metadata !{metadata !"0x100\00v\0024\000", metadata !39, metadata !2, metadata !1} ; [ DW_TAG_auto_variable ]
119 !39 = metadata !{metadata !"0xb\0023\000\004", metadata !48, metadata !40} ; [ DW_TAG_lexical_block ]
120 !40 = metadata !{metadata !"0xb\0023\000\003", metadata !48, metadata !20} ; [ DW_TAG_lexical_block ]
121 !41 = metadata !{i32 24, i32 0, metadata !39, null}
122 !42 = metadata !{i32 25, i32 0, metadata !39, null}
123 !43 = metadata !{i32 26, i32 0, metadata !39, null}
124 !44 = metadata !{metadata !"0x100\00k\0026\000", metadata !39, metadata !2, metadata !13} ; [ DW_TAG_auto_variable ]
125 !45 = metadata !{i32 27, i32 0, metadata !39, null}
126 !46 = metadata !{metadata !16, metadata !17, metadata !20}
128 !48 = metadata !{metadata !"small.cc", metadata !"/Users/manav/R8248330"}
129 !49 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}