forked from OSchip/llvm-project
130 lines
7.6 KiB
LLVM
130 lines
7.6 KiB
LLVM
; RUN: llc -O0 -mtriple=arm-apple-darwin < %s | grep DW_OP_breg
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; Use DW_OP_breg in variable's location expression if the variable is in a stack slot.
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%struct.SVal = type { i8*, i32 }
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define i32 @_Z3fooi4SVal(i32 %i, %struct.SVal* noalias %location) nounwind ssp {
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entry:
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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call void @llvm.dbg.value(metadata i32 %i, i64 0, metadata !23, metadata !{!"0x102"}), !dbg !24
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call void @llvm.dbg.value(metadata %struct.SVal* %location, i64 0, metadata !25, metadata !{!"0x102"}), !dbg !24
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%0 = icmp ne i32 %i, 0, !dbg !27 ; <i1> [#uses=1]
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br i1 %0, label %bb, label %bb1, !dbg !27
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bb: ; preds = %entry
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%1 = getelementptr inbounds %struct.SVal* %location, i32 0, i32 1, !dbg !29 ; <i32*> [#uses=1]
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%2 = load i32* %1, align 8, !dbg !29 ; <i32> [#uses=1]
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%3 = add i32 %2, %i, !dbg !29 ; <i32> [#uses=1]
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br label %bb2, !dbg !29
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bb1: ; preds = %entry
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%4 = getelementptr inbounds %struct.SVal* %location, i32 0, i32 1, !dbg !30 ; <i32*> [#uses=1]
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%5 = load i32* %4, align 8, !dbg !30 ; <i32> [#uses=1]
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%6 = sub i32 %5, 1, !dbg !30 ; <i32> [#uses=1]
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br label %bb2, !dbg !30
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bb2: ; preds = %bb1, %bb
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%.0 = phi i32 [ %3, %bb ], [ %6, %bb1 ] ; <i32> [#uses=1]
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br label %return, !dbg !29
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return: ; preds = %bb2
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ret i32 %.0, !dbg !29
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}
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define linkonce_odr void @_ZN4SValC1Ev(%struct.SVal* %this) nounwind ssp align 2 {
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entry:
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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call void @llvm.dbg.value(metadata %struct.SVal* %this, i64 0, metadata !31, metadata !{!"0x102"}), !dbg !34
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%0 = getelementptr inbounds %struct.SVal* %this, i32 0, i32 0, !dbg !34 ; <i8**> [#uses=1]
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store i8* null, i8** %0, align 8, !dbg !34
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%1 = getelementptr inbounds %struct.SVal* %this, i32 0, i32 1, !dbg !34 ; <i32*> [#uses=1]
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store i32 0, i32* %1, align 8, !dbg !34
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br label %return, !dbg !34
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return: ; preds = %entry
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ret void, !dbg !35
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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define i32 @main() nounwind ssp {
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entry:
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%0 = alloca %struct.SVal ; <%struct.SVal*> [#uses=3]
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%v = alloca %struct.SVal ; <%struct.SVal*> [#uses=4]
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%"alloca point" = bitcast i32 0 to i32 ; <i32> [#uses=0]
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call void @llvm.dbg.declare(metadata %struct.SVal* %v, metadata !38, metadata !{!"0x102"}), !dbg !41
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call void @_ZN4SValC1Ev(%struct.SVal* %v) nounwind, !dbg !41
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%1 = getelementptr inbounds %struct.SVal* %v, i32 0, i32 1, !dbg !42 ; <i32*> [#uses=1]
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store i32 1, i32* %1, align 8, !dbg !42
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%2 = getelementptr inbounds %struct.SVal* %0, i32 0, i32 0, !dbg !43 ; <i8**> [#uses=1]
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%3 = getelementptr inbounds %struct.SVal* %v, i32 0, i32 0, !dbg !43 ; <i8**> [#uses=1]
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%4 = load i8** %3, align 8, !dbg !43 ; <i8*> [#uses=1]
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store i8* %4, i8** %2, align 8, !dbg !43
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%5 = getelementptr inbounds %struct.SVal* %0, i32 0, i32 1, !dbg !43 ; <i32*> [#uses=1]
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%6 = getelementptr inbounds %struct.SVal* %v, i32 0, i32 1, !dbg !43 ; <i32*> [#uses=1]
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%7 = load i32* %6, align 8, !dbg !43 ; <i32> [#uses=1]
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store i32 %7, i32* %5, align 8, !dbg !43
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%8 = call i32 @_Z3fooi4SVal(i32 2, %struct.SVal* noalias %0) nounwind, !dbg !43 ; <i32> [#uses=0]
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call void @llvm.dbg.value(metadata i32 %8, i64 0, metadata !44, metadata !{!"0x102"}), !dbg !43
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br label %return, !dbg !45
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return: ; preds = %entry
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ret i32 0, !dbg !45
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}
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declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!3}
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!llvm.module.flags = !{!49}
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!0 = !{!"0x2e\00SVal\00SVal\00\0011\000\000\000\006\000\000\000", !48, !1, !14, null, null, null, null, null} ; [ DW_TAG_subprogram ]
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!1 = !{!"0x13\00SVal\001\00128\0064\000\000\000", !48, null, null, !4, null, null, null} ; [ DW_TAG_structure_type ] [SVal] [line 1, size 128, align 64, offset 0] [def] [from ]
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!2 = !{!"0x29", !48} ; [ DW_TAG_file_type ]
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!3 = !{!"0x11\004\004.2.1 (Based on Apple Inc. build 5658) (LLVM build)\000\00\000\00\001", !48, !47, !47, !46, !47, !47} ; [ DW_TAG_compile_unit ]
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!4 = !{!5, !7, !0, !9}
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!5 = !{!"0xd\00Data\007\0064\0064\000\000", !48, !1, !6} ; [ DW_TAG_member ]
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!6 = !{!"0xf\00\000\0064\0064\000\000", !48, null, null} ; [ DW_TAG_pointer_type ]
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!7 = !{!"0xd\00Kind\008\0032\0032\0064\000", !48, !1, !8} ; [ DW_TAG_member ]
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!8 = !{!"0x24\00unsigned int\000\0032\0032\000\000\007", !48, null} ; [ DW_TAG_base_type ]
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!9 = !{!"0x2e\00~SVal\00~SVal\00\0012\000\000\000\006\000\000\000", !48, !1, !10, null, null, null, null, null} ; [ DW_TAG_subprogram ]
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!10 = !{!"0x15\00\000\000\000\000\000\000", !48, null, null, !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!11 = !{null, !12, !13}
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!12 = !{!"0xf\00\000\0064\0064\000\0064", !48, null, !1} ; [ DW_TAG_pointer_type ]
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!13 = !{!"0x24\00int\000\0032\0032\000\000\005", !48, null} ; [ DW_TAG_base_type ]
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!14 = !{!"0x15\00\000\000\000\000\000\000", !48, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!15 = !{null, !12}
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!16 = !{!"0x2e\00SVal\00SVal\00_ZN4SValC1Ev\0011\000\001\000\006\000\000\000", !48, !1, !14, null, void (%struct.SVal*)* @_ZN4SValC1Ev, null, null, null} ; [ DW_TAG_subprogram ]
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!17 = !{!"0x2e\00foo\00foo\00_Z3fooi4SVal\0016\000\001\000\006\000\000\000", !48, !2, !18, null, i32 (i32, %struct.SVal*)* @_Z3fooi4SVal, null, null, null} ; [ DW_TAG_subprogram ]
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!18 = !{!"0x15\00\000\000\000\000\000\000", !48, null, null, !19, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!19 = !{!13, !13, !1}
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!20 = !{!"0x2e\00main\00main\00main\0023\000\001\000\006\000\000\000", !48, !2, !21, null, i32 ()* @main, null, null, null} ; [ DW_TAG_subprogram ]
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!21 = !{!"0x15\00\000\000\000\000\000\000", !48, null, null, !22, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!22 = !{!13}
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!23 = !{!"0x101\00i\0016\000", !17, !2, !13} ; [ DW_TAG_arg_variable ]
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!24 = !MDLocation(line: 16, scope: !17)
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!25 = !{!"0x101\00location\0016\000", !17, !2, !26} ; [ DW_TAG_arg_variable ]
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!26 = !{!"0x10\00SVal\000\0064\0064\000\000", !48, !2, !1} ; [ DW_TAG_reference_type ]
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!27 = !MDLocation(line: 17, scope: !28)
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!28 = !{!"0xb\0016\000\002", !2, !17} ; [ DW_TAG_lexical_block ]
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!29 = !MDLocation(line: 18, scope: !28)
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!30 = !MDLocation(line: 20, scope: !28)
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!31 = !{!"0x101\00this\0011\000", !16, !2, !32} ; [ DW_TAG_arg_variable ]
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!32 = !{!"0x26\00\000\0064\0064\000\0064", !48, !2, !33} ; [ DW_TAG_const_type ]
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!33 = !{!"0xf\00\000\0064\0064\000\000", !48, !2, !1} ; [ DW_TAG_pointer_type ]
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!34 = !MDLocation(line: 11, scope: !16)
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!35 = !MDLocation(line: 11, scope: !36)
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!36 = !{!"0xb\0011\000\001", !48, !37} ; [ DW_TAG_lexical_block ]
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!37 = !{!"0xb\0011\000\000", !48, !16} ; [ DW_TAG_lexical_block ]
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!38 = !{!"0x100\00v\0024\000", !39, !2, !1} ; [ DW_TAG_auto_variable ]
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!39 = !{!"0xb\0023\000\004", !48, !40} ; [ DW_TAG_lexical_block ]
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!40 = !{!"0xb\0023\000\003", !48, !20} ; [ DW_TAG_lexical_block ]
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!41 = !MDLocation(line: 24, scope: !39)
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!42 = !MDLocation(line: 25, scope: !39)
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!43 = !MDLocation(line: 26, scope: !39)
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!44 = !{!"0x100\00k\0026\000", !39, !2, !13} ; [ DW_TAG_auto_variable ]
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!45 = !MDLocation(line: 27, scope: !39)
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!46 = !{!16, !17, !20}
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!47 = !{}
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!48 = !{!"small.cc", !"/Users/manav/R8248330"}
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!49 = !{i32 1, !"Debug Info Version", i32 2}
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