1# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py 2# RUN: llc -start-after=livedebugvalues -filetype=obj -o - %s | \ 3# RUN: llvm-dwarfdump - | FileCheck %s 4# 5# This tests the edge-case where a complex fragment has exactly 6# the size of a subregister of the register the DBG_VALUE points to. 7# 8 9# CHECK: DW_TAG_compile_unit 10# CHECK: DW_AT_producer ("") 11# CHECK: DW_AT_language (DW_LANG_C_plus_plus_14) 12# CHECK: DW_AT_name ("t.cpp") 13# CHECK: DW_AT_stmt_list (0x00000000) 14# CHECK: DW_AT_comp_dir ("/") 15# CHECK: DW_AT_APPLE_optimized (true) 16# CHECK: DW_AT_low_pc (0x00000000) 17# CHECK: DW_AT_high_pc (0x00000008) 18 19# CHECK: DW_TAG_subprogram 20# CHECK: DW_AT_low_pc (0x00000000) 21# CHECK: DW_AT_high_pc (0x00000008) 22# CHECK: DW_AT_APPLE_omit_frame_ptr (true) 23# CHECK: DW_AT_frame_base (DW_OP_reg13 SP) 24# CHECK: DW_AT_name ("f") 25# CHECK: DW_AT_decl_file ("/t.cpp") 26# CHECK: DW_AT_decl_line (1) 27# CHECK: DW_AT_external (true) 28# CHECK: DW_AT_APPLE_isa (0x01) 29 30# CHECK: DW_TAG_variable 31# CHECK: DW_AT_location (DW_OP_regx D16, DW_OP_piece 0x8) 32# CHECK: DW_AT_name ("q8") 33# CHECK: DW_AT_decl_file ("/t.cpp") 34# CHECK: DW_AT_decl_line (1) 35# CHECK: DW_AT_type (0x0000005b "uint8x8x2_t") 36 37# CHECK: DW_TAG_variable 38# CHECK: DW_AT_location (DW_OP_regx D18, DW_OP_piece 0x7) 39# CHECK: DW_AT_name ("q9") 40# CHECK: DW_AT_decl_file ("/t.cpp") 41# CHECK: DW_AT_decl_line (1) 42# CHECK: DW_AT_type (0x0000005b "uint8x8x2_t") 43 44# CHECK: DW_TAG_structure_type 45# CHECK: DW_AT_calling_convention (DW_CC_pass_by_value) 46# CHECK: DW_AT_name ("uint8x8x2_t") 47# CHECK: DW_AT_byte_size (0x10) 48# CHECK: DW_AT_decl_file ("/t.cpp") 49# CHECK: DW_AT_decl_line (113) 50 51 52--- | 53 target triple = "thumbv7s-apple-ios" 54 define hidden void @f() !dbg !5 { 55 for.body: 56 ret void, !dbg !20 57 } 58 !llvm.module.flags = !{!1, !2} 59 !llvm.dbg.cu = !{!3} 60 !1 = !{i32 7, !"Dwarf Version", i32 4} 61 !2 = !{i32 2, !"Debug Info Version", i32 3} 62 !3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !4, isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug) 63 !4 = !DIFile(filename: "t.cpp", directory: "/") 64 !5 = distinct !DISubprogram(name: "f",scope: !4, file: !4, line: 1, type: !6, scopeLine: 1, unit: !3) 65 !6 = !DISubroutineType(types: !{}) 66 !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "uint8x8x2_t", file: !4, line: 113, size: 128, flags: DIFlagTypePassByValue, elements: !{}) 67 !8 = !DILocalVariable(name: "q8", scope: !5, file: !4, line: 1, type: !7) 68 !9 = !DILocalVariable(name: "q9", scope: !5, file: !4, line: 1, type: !7) 69 !20 = !DILocation(line: 0, scope: !5) 70name: f 71tracksRegLiveness: true 72body: | 73 bb.2.for.body: 74 liveins: $r2 75 76 t2CMPri killed renamable $r2, 5, 14, $noreg, implicit-def $cpsr 77 DBG_VALUE $q8, $noreg, !8, !DIExpression(DW_OP_LLVM_fragment, 0, 64), debug-location !20 78 DBG_VALUE $q9, $noreg, !9, !DIExpression(DW_OP_LLVM_fragment, 0, 56), debug-location !20 79 t2Bcc %bb.2.for.body, 0, killed $cpsr, debug-location !20 80 tB %bb.2.for.body, 14, $noreg 81