| ; RUN: llc -mtriple=x86_64-apple-darwin10 < %s | FileCheck %s |
| |
| %struct.a = type { i32 } |
| |
| define i32 @bar(%struct.a* nocapture %b) nounwind ssp { |
| entry: |
| tail call void @llvm.dbg.value(metadata %struct.a* %b, i64 0, metadata !6, metadata !{!"0x102"}), !dbg !13 |
| %tmp1 = getelementptr inbounds %struct.a* %b, i64 0, i32 0, !dbg !14 |
| %tmp2 = load i32* %tmp1, align 4, !dbg !14 |
| tail call void @llvm.dbg.value(metadata i32 %tmp2, i64 0, metadata !11, metadata !{!"0x102"}), !dbg !14 |
| %call = tail call i32 (...)* @foo(i32 %tmp2) nounwind , !dbg !18 |
| %add = add nsw i32 %tmp2, 1, !dbg !19 |
| ret i32 %add, !dbg !19 |
| } |
| |
| declare i32 @foo(...) |
| |
| declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!24} |
| |
| !0 = !{!"0x2e\00bar\00bar\00\005\000\001\000\006\00256\001\000", !22, !1, !3, null, i32 (%struct.a*)* @bar, null, null, !21} ; [ DW_TAG_subprogram ] [line 5] [def] [scope 0] [bar] |
| !1 = !{!"0x29", !22} ; [ DW_TAG_file_type ] |
| !2 = !{!"0x11\0012\00clang version 2.9 (trunk 122997)\001\00\000\00\001", !22, !23, !23, !20, null, null} ; [ DW_TAG_compile_unit ] |
| !3 = !{!"0x15\00\000\000\000\000\000\000", !22, !1, null, !4, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] |
| !4 = !{!5} |
| !5 = !{!"0x24\00int\000\0032\0032\000\000\005", null, !2} ; [ DW_TAG_base_type ] |
| !6 = !{!"0x101\00b\005\000", !0, !1, !7} ; [ DW_TAG_arg_variable ] |
| !7 = !{!"0xf\00\000\0064\0064\000\000", null, !2, !8} ; [ DW_TAG_pointer_type ] |
| !8 = !{!"0x13\00a\001\0032\0032\000\000\000", !22, !2, null, !9, null, null, null} ; [ DW_TAG_structure_type ] [a] [line 1, size 32, align 32, offset 0] [def] [from ] |
| !9 = !{!10} |
| !10 = !{!"0xd\00c\002\0032\0032\000\000", !22, !1, !5} ; [ DW_TAG_member ] |
| !11 = !{!"0x100\00x\006\000", !12, !1, !5} ; [ DW_TAG_auto_variable ] |
| !12 = !{!"0xb\005\0022\000", !22, !0} ; [ DW_TAG_lexical_block ] |
| !13 = !MDLocation(line: 5, column: 19, scope: !0) |
| !14 = !MDLocation(line: 6, column: 14, scope: !12) |
| !18 = !MDLocation(line: 7, column: 2, scope: !12) |
| !19 = !MDLocation(line: 8, column: 2, scope: !12) |
| !20 = !{!0} |
| !21 = !{!6, !11} |
| !22 = !{!"bar.c", !"/private/tmp"} |
| !23 = !{i32 0} |
| |
| ; Check that variable bar:b value range is appropriately truncated in debug info. |
| ; The variable is in %rdi which is clobbered by 'movl %ebx, %edi' |
| ; Here Ltmp7 is the end of the location range. |
| |
| ;CHECK: .loc 1 7 2 |
| ;CHECK: movl |
| ;CHECK-NEXT: [[CLOBBER:Ltmp[0-9]*]] |
| |
| ;CHECK:Ldebug_loc0: |
| ;CHECK-NEXT: Lset{{.*}} = |
| ;CHECK-NEXT: .quad |
| ;CHECK-NEXT: [[CLOBBER_OFF:Lset.*]] = [[CLOBBER]]-{{.*}} |
| ;CHECK-NEXT: .quad [[CLOBBER_OFF]] |
| ;CHECK-NEXT: Lset{{.*}} = Ltmp{{.*}}-Ltmp{{.*}} |
| ;CHECK-NEXT: .short Lset |
| ;CHECK-NEXT: Ltmp |
| ;CHECK-NEXT: .byte 85 ## DW_OP_reg |
| ;CHECK-NEXT: Ltmp |
| ;CHECK-NEXT: .quad 0 |
| ;CHECK-NEXT: .quad 0 |
| !24 = !{i32 1, !"Debug Info Version", i32 2} |