1; RUN: llc -mtriple=x86_64 -dwarf-version=4 -filetype=obj -O0 < %s | llvm-dwarfdump - \ 2; RUN: | FileCheck %s --check-prefix=NOCONV "--implicit-check-not={{DW_TAG|NULL}}" 3 4; Test lldb default: OP_convert is unsupported when using MachO 5; RUN: llc -mtriple=x86_64-apple-darwin -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=lldb | llvm-dwarfdump - \ 6; RUN: | FileCheck %s --check-prefix=CONV "--implicit-check-not={{DW_TAG|NULL}}" 7; RUN: llc -mtriple=x86_64-pc-linux-gnu -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=lldb | llvm-dwarfdump - \ 8; RUN: | FileCheck %s --check-prefix=NOCONV "--implicit-check-not={{DW_TAG|NULL}}" 9 10; Test gdb default: OP_convert is only disabled in split DWARF 11; RUN: llc -mtriple=x86_64 -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=gdb | llvm-dwarfdump - \ 12; RUN: | FileCheck %s --check-prefix=CONV "--implicit-check-not={{DW_TAG|NULL}}" 13; RUN: llc -mtriple=x86_64-pc-linux-gnu -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=gdb -split-dwarf-file=baz.dwo | llvm-dwarfdump - \ 14; RUN: | FileCheck %s --check-prefix=NOCONV --check-prefix=SPLIT "--implicit-check-not={{DW_TAG|NULL}}" 15 16; Test the ability to override the platform default in either direction 17; RUN: llc -mtriple=x86_64 -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=gdb -dwarf-op-convert=Disable | llvm-dwarfdump - \ 18; RUN: | FileCheck %s --check-prefix=NOCONV "--implicit-check-not={{DW_TAG|NULL}}" 19; RUN: llc -mtriple=x86_64-pc-linux-gnu -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=lldb -dwarf-op-convert=Enable | llvm-dwarfdump - \ 20; RUN: | FileCheck %s --check-prefix=CONV "--implicit-check-not={{DW_TAG|NULL}}" 21 22; Test DW_OP_convert + Split DWARF 23; RUN: llc -mtriple=x86_64-pc-linux-gnu -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=lldb -dwarf-op-convert=Enable -split-dwarf-file=baz.dwo | llvm-dwarfdump - \ 24; RUN: | FileCheck %s --check-prefix=CONV --check-prefix=SPLITCONV --check-prefix=SPLIT "--implicit-check-not={{DW_TAG|NULL}}" 25 26; RUN: llc -mtriple=x86_64 -dwarf-version=5 -filetype=obj -O0 < %s -debugger-tune=gdb | llvm-dwarfdump -v -debug-info - \ 27; RUN: | FileCheck %s --check-prefix=VERBOSE --check-prefix=CONV "--implicit-check-not={{DW_TAG|NULL}}" 28 29 30; SPLITCONV: Compile Unit:{{.*}} DWO_id = 0x24191746f389535f 31; SPLIT: DW_TAG_skeleton_unit 32 33; CONV: DW_TAG_compile_unit 34; CONV:[[SIG8:.*]]: DW_TAG_base_type 35; CONV-NEXT:DW_AT_name {{.*}}"DW_ATE_signed_8") 36; CONV-NEXT:DW_AT_encoding {{.*}}DW_ATE_signed) 37; CONV-NEXT:DW_AT_byte_size {{.*}}0x01) 38; CONV-NOT: DW_AT 39; CONV:[[SIG32:.*]]: DW_TAG_base_type 40; CONV-NEXT:DW_AT_name {{.*}}"DW_ATE_signed_32") 41; CONV-NEXT:DW_AT_encoding {{.*}}DW_ATE_signed) 42; CONV-NEXT:DW_AT_byte_size {{.*}}0x04) 43; CONV-NOT: DW_AT 44; CONV: DW_TAG_base_type 45; CONV: DW_TAG_base_type 46; CONV: DW_TAG_subprogram 47; CONV: DW_TAG_formal_parameter 48; CONV: DW_TAG_variable 49; CONV: DW_AT_location {{.*}}DW_OP_constu 0x20, DW_OP_lit0, DW_OP_plus, DW_OP_convert ( 50; VERBOSE-SAME: [[SIG8]] -> 51; CONV-SAME: [[SIG8]]) "DW_ATE_signed_8", DW_OP_convert ( 52; VERBOSE-SAME: [[SIG32]] -> 53; CONV-SAME: [[SIG32]]) "DW_ATE_signed_32", DW_OP_stack_value) 54; CONV: DW_AT_name {{.*}}"y") 55; CONV: DW_TAG_variable 56; CONV: NULL 57; CONV: DW_TAG_base_type 58; CONV: DW_AT_name {{.*}}"signed char") 59; CONV: DW_TAG_base_type 60; CONV: DW_AT_name {{.*}}"int") 61; CONV: DW_TAG_base_type 62; CONV: DW_AT_name {{.*}}"unsigned long long") 63; CONV: NULL 64 65; NOCONV: DW_TAG_compile_unit 66; NOCONV: DW_TAG_subprogram 67; NOCONV: DW_TAG_formal_parameter 68; NOCONV: DW_TAG_variable 69; NOCONV: DW_AT_location ( 70; NOCONV: {{.*}}, DW_OP_dup, DW_OP_constu 0x7, DW_OP_shr, DW_OP_lit0, DW_OP_not, DW_OP_mul, DW_OP_constu 0x8, DW_OP_shl, DW_OP_or, DW_OP_stack_value) 71; NOCONV: DW_AT_name ("y") 72; NOCONV: DW_TAG_variable 73; NOCONV: DW_AT_location ( 74; NOCONV: DW_OP_constu 0x40, DW_OP_lit0, DW_OP_plus, DW_OP_lit1, DW_OP_constu 0x40, DW_OP_shl, DW_OP_lit1, DW_OP_minus, DW_OP_and, DW_OP_stack_value) 75; NOCONV: DW_AT_name ("z") 76; NOCONV: NULL 77; NOCONV: DW_TAG_base_type 78; NOCONV: DW_AT_name ("signed char") 79; NOCONV: DW_TAG_base_type 80; NOCONV: DW_AT_name ("int") 81; NOCONV: DW_TAG_base_type 82; NOCONV: DW_AT_name ("unsigned long long") 83; NOCONV: NULL 84 85 86; Function Attrs: noinline nounwind uwtable 87define dso_local signext i8 @foo(i8 signext %x) !dbg !7 { 88entry: 89 call void @llvm.dbg.value(metadata i8 %x, metadata !11, metadata !DIExpression()), !dbg !12 90;; This test depends on "convert" surviving all the way to the final object. 91;; So, insert something before DW_OP_LLVM_convert that the expression folder 92;; will not attempt to eliminate. At the moment, only "convert" ops are folded. 93;; If you have to change the expression, the expected DWO_id also changes. 94 call void @llvm.dbg.value(metadata i8 32, metadata !13, metadata !DIExpression(DW_OP_lit0, DW_OP_plus, DW_OP_LLVM_convert, 8, DW_ATE_signed, DW_OP_LLVM_convert, 32, DW_ATE_signed, DW_OP_stack_value)), !dbg !15 95 call void @llvm.dbg.value(metadata i8 64, metadata !17, metadata !DIExpression(DW_OP_lit0, DW_OP_plus, DW_OP_LLVM_convert, 64, DW_ATE_unsigned, DW_OP_LLVM_convert, 128, DW_ATE_unsigned, DW_OP_LLVM_convert, 64, DW_ATE_unsigned, DW_OP_stack_value)), !dbg !15 96 ret i8 %x, !dbg !16 97} 98 99; Function Attrs: nounwind readnone speculatable 100declare void @llvm.dbg.declare(metadata, metadata, metadata) 101 102; Function Attrs: nounwind readnone speculatable 103declare void @llvm.dbg.value(metadata, metadata, metadata) 104 105!llvm.dbg.cu = !{!0} 106!llvm.module.flags = !{!3, !4, !5} 107!llvm.ident = !{!6} 108 109!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None) 110!1 = !DIFile(filename: "dbg.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "2a034da6937f5b9cf6dd2d89127f57fd") 111!2 = !{} 112!3 = !{i32 2, !"Dwarf Version", i32 5} 113!4 = !{i32 2, !"Debug Info Version", i32 3} 114!5 = !{i32 1, !"wchar_size", i32 4} 115!6 = !{!"clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)"} 116!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) 117!8 = !DISubroutineType(types: !9) 118!9 = !{!10, !10} 119!10 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char) 120!11 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 1, type: !10) 121!12 = !DILocation(line: 1, column: 29, scope: !7) 122!13 = !DILocalVariable(name: "y", scope: !7, file: !1, line: 3, type: !14) 123!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 124!15 = !DILocation(line: 3, column: 14, scope: !7) 125!16 = !DILocation(line: 4, column: 3, scope: !7) 126!17 = !DILocalVariable(name: "z", scope: !7, file: !1, line: 3, type: !18) 127!18 = !DIBasicType(name: "unsigned long long", size: 64, encoding: DW_ATE_unsigned) 128