1 ; RUN: llc %s -mtriple=x86_64-pc-linux-gnu -O0 -filetype=obj -o %t 2 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s 3 4 ; If stack is realigned, we shouldn't describe locations of local 5 ; variables by giving offset from the frame pointer (%rbp): 6 ; push %rpb 7 ; mov %rsp,%rbp 8 ; and ALIGNMENT,%rsp ; (%rsp and %rbp are different now) 9 ; It's better to use offset from %rsp instead. 10 11 ; DW_AT_location of variable "x" shouldn't be equal to 12 ; (DW_OP_fbreg: .*): DW_OP_fbreg has code 0x91 13 14 ; CHECK: {{0x.* DW_TAG_variable}} 15 ; CHECK-NOT: {{DW_AT_location.*DW_FORM_block1.*0x.*91}} 16 ; CHECK: NULL 17 18 define void @_Z3runv() nounwind uwtable { 19 entry: 20 %x = alloca i32, align 32 21 call void @llvm.dbg.declare(metadata !{i32* %x}, metadata !9), !dbg !12 22 ret void, !dbg !13 23 } 24 25 declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone 26 27 !llvm.dbg.cu = !{!0} 28 !llvm.module.flags = !{!15} 29 30 !0 = metadata !{i32 786449, metadata !14, i32 4, metadata !"clang version 3.2 (trunk 155696:155697) (llvm/trunk 155696)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !1, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ] 31 !1 = metadata !{} 32 !3 = metadata !{metadata !5} 33 !5 = metadata !{i32 786478, metadata !14, metadata !6, metadata !"run", metadata !"run", metadata !"_Z3runv", i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3runv, null, null, metadata !1, i32 1} ; [ DW_TAG_subprogram ] 34 !6 = metadata !{i32 786473, metadata !14} ; [ DW_TAG_file_type ] 35 !7 = metadata !{i32 786453, i32 0, null, i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 36 !8 = metadata !{null} 37 !9 = metadata !{i32 786688, metadata !10, metadata !"x", metadata !6, i32 2, metadata !11, i32 0, i32 0} ; [ DW_TAG_auto_variable ] 38 !10 = metadata !{i32 786443, metadata !14, metadata !5, i32 1, i32 12, i32 0} ; [ DW_TAG_lexical_block ] 39 !11 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] 40 !12 = metadata !{i32 2, i32 7, metadata !10, null} 41 !13 = metadata !{i32 3, i32 1, metadata !10, null} 42 !14 = metadata !{metadata !"test.cc", metadata !"/home/samsonov/debuginfo"} 43 !15 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 44
