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4a5feedcaa
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.
llvm-svn: 226048
103 lines
4.1 KiB
LLVM
103 lines
4.1 KiB
LLVM
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu \
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; RUN: | FileCheck --check-prefix=CHECK --check-prefix=SINGLE --check-prefix=SINGLE-64 %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=i386-linux-gnu \
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; RUN: | FileCheck --check-prefix=CHECK --check-prefix=SINGLE --check-prefix=SINGLE-32 %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu -split-dwarf=Enable \
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; RUN: | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s
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; FIXME: add relocation and DWARF expression support to llvm-dwarfdump & use
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; that here instead of raw assembly printing
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; FISSION: .section .debug_info.dwo,
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; 3 bytes of data in this DW_FORM_block1 representation of the location of 'tls'
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; FISSION: .byte 3{{ *}}# DW_AT_location
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; DW_OP_GNU_const_index (0xfx == 252) to refer to the debug_addr table
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; FISSION-NEXT: .byte 252
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; an index of zero into the debug_addr table
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; FISSION-NEXT: .byte 0
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; SINGLE: .section .debug_info,
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; 10 bytes of data in this DW_FORM_block1 representation of the location of 'tls'
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; SINGLE-64: .byte 10 # DW_AT_location
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; DW_OP_const8u (0x0e == 14) of address
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; SINGLE-64-NEXT: .byte 14
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; SINGLE-64-NEXT: .quad tls@DTPOFF
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; SINGLE-32: .byte 6 # DW_AT_location
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; DW_OP_const4u (0x0e == 12) of address
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; SINGLE-32-NEXT: .byte 12
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; SINGLE-32-NEXT: .long tls@DTPOFF
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; DW_OP_GNU_push_tls_address
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; CHECK-NEXT: .byte 224
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; FISSION: DW_TAG_variable
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; FISSION: .byte 2 # DW_AT_location
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; DW_OP_GNU_addr_index
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; FISSION-NEXT: .byte 251
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; FISSION-NEXT: .byte 1
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; FISSION: DW_TAG_template_value_parameter
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; FISSION: .byte 3 # DW_AT_location
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; DW_OP_GNU_addr_index
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; FISSION-NEXT: .byte 251
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; FISSION-NEXT: .byte 1
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; DW_OP_stack_value
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; FISSION-NEXT: .byte 159
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; check that the expected TLS address description is the first thing in the debug_addr section
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; FISSION: .section .debug_addr
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; FISSION-NEXT: .quad tls@DTPOFF
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; FISSION-NEXT: .quad glbl
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; FISSION-NOT: .quad glbl
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; Generated from:
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; __thread int tls;
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; int glbl;
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;
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; template <int *I>
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; int func() {
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; return 0;
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; }
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;
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; template int func<&glbl>(); // create a second reference to 'glbl'
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@tls = thread_local global i32 0, align 4
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@glbl = global i32 0, align 4
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; Function Attrs: nounwind uwtable
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define weak_odr i32 @_Z4funcIXadL_Z4glblEEEiv() #0 {
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entry:
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ret i32 0, !dbg !18
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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 = !{!15, !16}
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!llvm.ident = !{!17}
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!0 = !{!"0x11\004\00clang version 3.5 \000\00\000\00-.dwo\000", !1, !2, !2, !3, !12, !2} ; [ DW_TAG_compile_unit ] [/tmp/dbginfo/tls.cpp] [DW_LANG_C_plus_plus]
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!1 = !{!"tls.cpp", !"/tmp/dbginfo"}
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!2 = !{}
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!3 = !{!4}
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!4 = !{!"0x2e\00func<&glbl>\00func<&glbl>\00_Z4funcIXadL_Z4glblEEEiv\005\000\001\000\006\00256\000\005", !1, !5, !6, null, i32 ()* @_Z4funcIXadL_Z4glblEEEiv, !9, null, !2} ; [ DW_TAG_subprogram ] [line 5] [def] [func<&glbl>]
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!5 = !{!"0x29", !1} ; [ DW_TAG_file_type ] [/tmp/dbginfo/tls.cpp]
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!6 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !7, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = !{!8}
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!8 = !{!"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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!9 = !{!10}
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!10 = !{!"0x30\00I\000\000", null, !11, i32* @glbl, null} ; [ DW_TAG_template_value_parameter ]
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!11 = !{!"0xf\00\000\0064\0064\000\000", null, null, !8} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
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!12 = !{!13, !14}
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!13 = !{!"0x34\00tls\00tls\00\001\000\001", null, !5, !8, i32* @tls, null} ; [ DW_TAG_variable ] [tls] [line 1] [def]
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!14 = !{!"0x34\00glbl\00glbl\00\002\000\001", null, !5, !8, i32* @glbl, null} ; [ DW_TAG_variable ] [glbl] [line 2] [def]
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!15 = !{i32 2, !"Dwarf Version", i32 4}
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!16 = !{i32 1, !"Debug Info Version", i32 2}
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!17 = !{!"clang version 3.5 "}
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!18 = !MDLocation(line: 6, scope: !4)
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