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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 MachO5; 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 DWARF11; 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 direction17; 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 DWARF23; 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;; NB: This checks that the type reference in DW_OP_convert participates in the31;; DWO hash.32; SPLITCONV: Compile Unit:{{.*}} DWO_id = 0xbf4ac610d9ea282c33; SPLIT: DW_TAG_skeleton_unit34 35; CONV: DW_TAG_compile_unit36; CONV:[[SIG8:.*]]: DW_TAG_base_type37; CONV-NEXT:DW_AT_name {{.*}}"DW_ATE_signed_8")38; CONV-NEXT:DW_AT_encoding {{.*}}DW_ATE_signed)39; CONV-NEXT:DW_AT_byte_size {{.*}}0x01)40; CONV-NOT: DW_AT41; CONV:[[SIG32:.*]]: DW_TAG_base_type42; CONV-NEXT:DW_AT_name {{.*}}"DW_ATE_signed_32")43; CONV-NEXT:DW_AT_encoding {{.*}}DW_ATE_signed)44; CONV-NEXT:DW_AT_byte_size {{.*}}0x04)45; CONV-NOT: DW_AT46; CONV: DW_TAG_base_type47; CONV: DW_TAG_base_type48; CONV: DW_TAG_subprogram49; CONV: DW_TAG_formal_parameter50; CONV: DW_TAG_variable51; CONV: DW_AT_location {{.*}}DW_OP_constu 0x20, DW_OP_lit0, DW_OP_plus, DW_OP_convert (52; VERBOSE-SAME: [[SIG8]] ->53; CONV-SAME: [[SIG8]]) "DW_ATE_signed_8", DW_OP_convert (54; VERBOSE-SAME: [[SIG32]] ->55; CONV-SAME: [[SIG32]]) "DW_ATE_signed_32", DW_OP_stack_value)56; CONV: DW_AT_name {{.*}}"y")57; CONV: DW_TAG_variable58; CONV: NULL59; CONV: DW_TAG_base_type60; CONV: DW_AT_name {{.*}}"signed char")61; CONV: DW_TAG_base_type62; CONV: DW_AT_name {{.*}}"int")63; CONV: DW_TAG_base_type64; CONV: DW_AT_name {{.*}}"unsigned long long")65; CONV: NULL66 67; NOCONV: DW_TAG_compile_unit68; NOCONV: DW_TAG_subprogram69; NOCONV: DW_TAG_formal_parameter70; NOCONV: DW_TAG_variable71; NOCONV: DW_AT_location (72; 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)73; NOCONV: DW_AT_name ("y")74; NOCONV: DW_TAG_variable75; NOCONV: DW_AT_location (76; 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)77; NOCONV: DW_AT_name ("z")78; NOCONV: NULL79; NOCONV: DW_TAG_base_type80; NOCONV: DW_AT_name ("signed char")81; NOCONV: DW_TAG_base_type82; NOCONV: DW_AT_name ("int")83; NOCONV: DW_TAG_base_type84; NOCONV: DW_AT_name ("unsigned long long")85; NOCONV: NULL86 87 88; Function Attrs: noinline nounwind uwtable89define dso_local signext i8 @foo(i8 signext %x) !dbg !7 {90entry:91 call void @llvm.dbg.value(metadata i8 %x, metadata !11, metadata !DIExpression()), !dbg !1292;; This test depends on "convert" surviving all the way to the final object.93;; So, insert something before DW_OP_LLVM_convert that the expression folder94;; will not attempt to eliminate. At the moment, only "convert" ops are folded.95;; If you have to change the expression, the expected DWO_id also changes.96 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 !1597 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 !1598 ret i8 %x, !dbg !1699}100 101; Function Attrs: nounwind readnone speculatable102declare void @llvm.dbg.declare(metadata, metadata, metadata)103 104; Function Attrs: nounwind readnone speculatable105declare void @llvm.dbg.value(metadata, metadata, metadata)106 107!llvm.dbg.cu = !{!0}108!llvm.module.flags = !{!3, !4, !5}109!llvm.ident = !{!6}110 111!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)112!1 = !DIFile(filename: "dbg.c", directory: "/tmp", checksumkind: CSK_MD5, checksum: "2a034da6937f5b9cf6dd2d89127f57fd")113!2 = !{}114!3 = !{i32 2, !"Dwarf Version", i32 5}115!4 = !{i32 2, !"Debug Info Version", i32 3}116!5 = !{i32 1, !"wchar_size", i32 4}117!6 = !{!"clang version 9.0.0 (trunk 353791) (llvm/trunk 353801)"}118!7 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 1, type: !8, scopeLine: 2, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)119!8 = !DISubroutineType(types: !9)120!9 = !{!10, !10}121!10 = !DIBasicType(name: "signed char", size: 8, encoding: DW_ATE_signed_char)122!11 = !DILocalVariable(name: "x", arg: 1, scope: !7, file: !1, line: 1, type: !10)123!12 = !DILocation(line: 1, column: 29, scope: !7)124!13 = !DILocalVariable(name: "y", scope: !7, file: !1, line: 3, type: !14)125!14 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)126!15 = !DILocation(line: 3, column: 14, scope: !7)127!16 = !DILocation(line: 4, column: 3, scope: !7)128!17 = !DILocalVariable(name: "z", scope: !7, file: !1, line: 3, type: !18)129!18 = !DIBasicType(name: "unsigned long long", size: 64, encoding: DW_ATE_unsigned)130