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https://github.com/c64scene-ar/llvm-6502.git
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37ac8d3622
This commit moves `MDLocation`, finishing off PR21433. There's an
accompanying clang commit for frontend testcases. I'll attach the
testcase upgrade script I used to PR21433 to help out-of-tree
frontends/backends.
This changes the schema for `DebugLoc` and `DILocation` from:
!{i32 3, i32 7, !7, !8}
to:
!MDLocation(line: 3, column: 7, scope: !7, inlinedAt: !8)
Note that empty fields (line/column: 0 and inlinedAt: null) don't get
printed by the assembly writer.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226048 91177308-0d34-0410-b5e6-96231b3b80d8
131 lines
7.1 KiB
LLVM
131 lines
7.1 KiB
LLVM
; REQUIRES: object-emission
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; RUN: llc -mtriple=x86_64-linux -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
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; IR generated with `clang++ -g -emit-llvm -S` from the following code:
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; template<int x, int*, template<typename> class y, decltype(nullptr) n, int ...z> int func() { return 3; }
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; template<typename> struct y_impl { struct nested { }; };
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; int glbl = func<3, &glbl, y_impl, nullptr, 1, 2>();
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; y_impl<int>::nested n;
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; CHECK: [[INT:0x[0-9a-f]*]]:{{ *}}DW_TAG_base_type
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; CHECK-NEXT: DW_AT_name{{.*}} = "int"
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; CHECK: DW_TAG_structure_type
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; CHECK-NEXT: DW_AT_name{{.*}}"y_impl<int>"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_type_parameter
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; CHECK: DW_AT_name{{.*}}"func<3, &glbl, y_impl, nullptr, 1, 2>"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
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; CHECK-NEXT: DW_AT_name{{.*}}= "x"
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(3)
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INTPTR:0x[0-9a-f]*]]}
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; The address of the global 'glbl', followed by DW_OP_stack_value (9f), to use
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; the value immediately, rather than indirecting through the address.
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; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc]{{ *}}(<0xa> 03 00 00 00 00 00 00 00 00 9f )
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_GNU_template_template_param
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; CHECK-NEXT: DW_AT_name{{.*}}= "y"
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; CHECK-NEXT: DW_AT_GNU_template_name{{.*}}= "y_impl"
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[NULLPTR:0x[0-9a-f]*]]}
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; CHECK-NEXT: DW_AT_name{{.*}}= "n"
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata]{{.*}}(0)
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; CHECK: DW_TAG_GNU_template_parameter_pack
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(1)
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; CHECK-NOT: NULL
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; CHECK: DW_TAG_template_value_parameter
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; CHECK-NEXT: DW_AT_type{{.*}}=> {[[INT]]}
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; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata]{{.*}}(2)
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; CHECK: [[INTPTR]]:{{ *}}DW_TAG_pointer_type
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; CHECK-NEXT: DW_AT_type{{.*}} => {[[INT]]}
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; CHECK: [[NULLPTR]]:{{ *}}DW_TAG_unspecified_type
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; CHECK-NEXT: DW_AT_name{{.*}}= "decltype(nullptr)"
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%"struct.y_impl<int>::nested" = type { i8 }
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@glbl = global i32 0, align 4
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@n = global %"struct.y_impl<int>::nested" zeroinitializer, align 1
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@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_template.cpp, i8* null }]
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define internal void @__cxx_global_var_init() section ".text.startup" {
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entry:
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%call = call i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv(), !dbg !36
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store i32 %call, i32* @glbl, align 4, !dbg !36
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ret void, !dbg !36
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}
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; Function Attrs: nounwind uwtable
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define linkonce_odr i32 @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv() #0 {
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entry:
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ret i32 3, !dbg !37
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}
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define internal void @_GLOBAL__sub_I_template.cpp() section ".text.startup" {
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entry:
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call void @__cxx_global_var_init(), !dbg !38
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ret void
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}
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attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!33, !34}
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!llvm.ident = !{!35}
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!0 = !{!"0x11\004\00clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)\000\00\000\00\001", !1, !2, !3, !9, !30, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/template.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"template.cpp", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4, !8}
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!4 = !{!"0x13\00y_impl<int>\002\008\008\000\000\000", !1, null, null, !2, null, !5, !"_ZTS6y_implIiE"} ; [ DW_TAG_structure_type ] [y_impl<int>] [line 2, size 8, align 8, offset 0] [def] [from ]
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!5 = !{!6}
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!6 = !{!"0x2f\00\000\000", null, !7, null} ; [ DW_TAG_template_type_parameter ]
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!7 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!8 = !{!"0x13\00nested\002\008\008\000\000\000", !1, !"_ZTS6y_implIiE", null, !2, null, null, !"_ZTSN6y_implIiE6nestedE"} ; [ DW_TAG_structure_type ] [nested] [line 2, size 8, align 8, offset 0] [def] [from ]
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!9 = !{!10, !14, !28}
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!10 = !{!"0x2e\00__cxx_global_var_init\00__cxx_global_var_init\00\003\001\001\000\000\00256\000\003", !1, !11, !12, null, void ()* @__cxx_global_var_init, null, null, !2} ; [ DW_TAG_subprogram ] [line 3] [local] [def] [__cxx_global_var_init]
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!11 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/template.cpp]
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!12 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !13, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!13 = !{null}
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!14 = !{!"0x2e\00func<3, &glbl, y_impl, nullptr, 1, 2>\00func<3, &glbl, y_impl, nullptr, 1, 2>\00_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv\001\000\001\000\000\00256\000\001", !1, !11, !15, null, i32 ()* @_Z4funcILi3EXadL_Z4glblEE6y_implLDn0EJLi1ELi2EEEiv, !17, null, !2} ; [ DW_TAG_subprogram ] [line 1] [def] [func<3, &glbl, y_impl, nullptr, 1, 2>]
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!15 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !16, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!16 = !{!7}
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!17 = !{!18, !19, !21, !22, !24}
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!18 = !{!"0x30\00x\000\000", null, !7, i32 3, null} ; [ DW_TAG_template_value_parameter ]
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!19 = !{!"0x30\00\000\000", null, !20, i32* @glbl, null} ; [ DW_TAG_template_value_parameter ]
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!20 = !{!"0xf\00\000\0064\0064\000\000", null, null, !7} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
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!21 = !{!"0x4106\00y\000\000", null, null, !"y_impl", null} ; [ DW_TAG_GNU_template_template_param ]
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!22 = !{!"0x30\00n\000\000", null, !23, i8 0, null} ; [ DW_TAG_template_value_parameter ]
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!23 = !{!"0x3b\00decltype(nullptr)\000\000\000\000\000\000", null, null} ; [ DW_TAG_unspecified_type ] [decltype(nullptr)] [line 0, size 0, align 0, offset 0]
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!24 = !{!"0x4107\00z\000\000", null, null, !25, null} ; [ DW_TAG_GNU_template_parameter_pack ]
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!25 = !{!26, !27}
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!26 = !{!"0x30\00\000\000", null, !7, i32 1, null} ; [ DW_TAG_template_value_parameter ]
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!27 = !{!"0x30\00\000\000", null, !7, i32 2, null} ; [ DW_TAG_template_value_parameter ]
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!28 = !{!"0x2e\00\00\00_GLOBAL__sub_I_template.cpp\000\001\001\000\000\0064\000\000", !1, !11, !29, null, void ()* @_GLOBAL__sub_I_template.cpp, null, null, !2} ; [ DW_TAG_subprogram ] [line 0] [local] [def]
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!29 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!30 = !{!31, !32}
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!31 = !{!"0x34\00glbl\00glbl\00\003\000\001", null, !11, !7, i32* @glbl, null} ; [ DW_TAG_variable ] [glbl] [line 3] [def]
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!32 = !{!"0x34\00n\00n\00\004\000\001", null, !11, !"_ZTSN6y_implIiE6nestedE", %"struct.y_impl<int>::nested"* @n, null} ; [ DW_TAG_variable ] [n] [line 4] [def]
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!33 = !{i32 2, !"Dwarf Version", i32 4}
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!34 = !{i32 2, !"Debug Info Version", i32 2}
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!35 = !{!"clang version 3.6.0 (trunk 224394) (llvm/trunk 224384)"}
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!36 = !MDLocation(line: 3, column: 12, scope: !10)
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!37 = !MDLocation(line: 1, column: 96, scope: !14)
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!38 = !MDLocation(line: 0, scope: !28)
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