1 ; RUN: llc -mtriple=x86_64-apple-darwin10 < %s | FileCheck %s 2 3 %struct.a = type { i32 } 4 5 define i32 @bar(%struct.a* nocapture %b) nounwind ssp { 6 entry: 7 tail call void @llvm.dbg.value(metadata !{%struct.a* %b}, i64 0, metadata !6), !dbg !13 8 %tmp1 = getelementptr inbounds %struct.a* %b, i64 0, i32 0, !dbg !14 9 %tmp2 = load i32* %tmp1, align 4, !dbg !14 10 tail call void @llvm.dbg.value(metadata !{i32 %tmp2}, i64 0, metadata !11), !dbg !14 11 %call = tail call i32 (...)* @foo(i32 %tmp2) nounwind , !dbg !18 12 %add = add nsw i32 %tmp2, 1, !dbg !19 13 ret i32 %add, !dbg !19 14 } 15 16 declare i32 @foo(...) 17 18 declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone 19 20 !llvm.dbg.cu = !{!2} 21 !llvm.module.flags = !{!24} 22 23 !0 = metadata !{i32 786478, metadata !22, metadata !1, metadata !"bar", metadata !"bar", metadata !"", i32 5, metadata !3, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 true, i32 (%struct.a*)* @bar, null, null, metadata !21, i32 0} ; [ DW_TAG_subprogram ] [line 5] [def] [scope 0] [bar] 24 !1 = metadata !{i32 786473, metadata !22} ; [ DW_TAG_file_type ] 25 !2 = metadata !{i32 786449, metadata !22, i32 12, metadata !"clang version 2.9 (trunk 122997)", i1 true, metadata !"", i32 0, metadata !23, metadata !23, metadata !20, null, null, null} ; [ DW_TAG_compile_unit ] 26 !3 = metadata !{i32 786453, metadata !22, metadata !1, metadata !"", i32 0, i64 0, i64 0, i32 0, i32 0, null, metadata !4, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 27 !4 = metadata !{metadata !5} 28 !5 = metadata !{i32 786468, null, metadata !2, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] 29 !6 = metadata !{i32 786689, metadata !0, metadata !"b", metadata !1, i32 5, metadata !7, i32 0, null} ; [ DW_TAG_arg_variable ] 30 !7 = metadata !{i32 786447, null, metadata !2, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !8} ; [ DW_TAG_pointer_type ] 31 !8 = metadata !{i32 786451, metadata !22, metadata !2, metadata !"a", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !9, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [a] [line 1, size 32, align 32, offset 0] [def] [from ] 32 !9 = metadata !{metadata !10} 33 !10 = metadata !{i32 786445, metadata !22, metadata !1, metadata !"c", i32 2, i64 32, i64 32, i64 0, i32 0, metadata !5} ; [ DW_TAG_member ] 34 !11 = metadata !{i32 786688, metadata !12, metadata !"x", metadata !1, i32 6, metadata !5, i32 0, null} ; [ DW_TAG_auto_variable ] 35 !12 = metadata !{i32 786443, metadata !22, metadata !0, i32 5, i32 22, i32 0} ; [ DW_TAG_lexical_block ] 36 !13 = metadata !{i32 5, i32 19, metadata !0, null} 37 !14 = metadata !{i32 6, i32 14, metadata !12, null} 38 !18 = metadata !{i32 7, i32 2, metadata !12, null} 39 !19 = metadata !{i32 8, i32 2, metadata !12, null} 40 !20 = metadata !{metadata !0} 41 !21 = metadata !{metadata !6, metadata !11} 42 !22 = metadata !{metadata !"bar.c", metadata !"/private/tmp"} 43 !23 = metadata !{i32 0} 44 45 ; Check that variable bar:b value range is appropriately truncated in debug info. 46 ; The variable is in %rdi which is clobbered by 'movl %ebx, %edi' 47 ; Here Ltmp7 is the end of the location range. 48 49 ;CHECK: .loc 1 7 2 50 ;CHECK: movl 51 ;CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]] 52 53 ;CHECK:Ldebug_loc0: 54 ;CHECK-NEXT: .quad 55 ;CHECK-NEXT: .quad [[CLOBBER]] 56 ;CHECK-NEXT: Lset{{.*}} = Ltmp{{.*}}-Ltmp{{.*}} 57 ;CHECK-NEXT: .short Lset 58 ;CHECK-NEXT: Ltmp 59 ;CHECK-NEXT: .byte 85 ## DW_OP_reg 60 ;CHECK-NEXT: Ltmp 61 ;CHECK-NEXT: .quad 0 62 ;CHECK-NEXT: .quad 0 63 !24 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 64
