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llvm-mirror/test/DebugInfo/X86/tls.ll
Dimitry Andric c04fc005a9 Turn off lldb debug tuning by default for FreeBSD 
Summary:
In rL242338, debugger tuning was introduced, and the tuning for FreeBSD
was set to lldb by default.  However, for the foreseeable future we
still need to default to gdb tuning, since lldb is not ready for all of
FreeBSD's architectures, and some system tools (like objcopy, etc) have
not yet been adapted to cope with the lldb tuned format, which has
.apple sections.

Therefore, let FreeBSD use gdb by default for now.

Reviewers: emaste, probinson

Subscribers: llvm-commits, emaste

Differential Revision: http://reviews.llvm.org/D15966

llvm-svn: 257103
2016-01-07 22:09:12 +00:00

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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu \
; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-64 --check-prefix=GNUOP %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=i386-linux-gnu \
; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-32 --check-prefix=GNUOP %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu -split-dwarf=Enable \
; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=FISSION --check-prefix=GNUOP %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-scei-ps4 \
; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-64 --check-prefix=STDOP %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-apple-darwin \
; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=DARWIN --check-prefix=STDOP %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-freebsd \
; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-64 --check-prefix=GNUOP %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu -emulated-tls \
; RUN: | FileCheck --check-prefix=SINGLE --check-prefix=EMUSINGLE-64 \
; RUN: --check-prefix=EMUGNUOP --check-prefix=EMU %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=i386-linux-gnu -emulated-tls \
; RUN: | FileCheck --check-prefix=SINGLE --check-prefix=EMUSINGLE-32 \
; RUN: --check-prefix=EMUGNUOP --check-prefix=EMU %s
; TODO: Add expected output for -emulated-tls tests.
; FIXME: add relocation and DWARF expression support to llvm-dwarfdump & use
; that here instead of raw assembly printing
; FISSION: .section .debug_info.dwo,
; 3 bytes of data in this DW_FORM_block1 representation of the location of 'tls'
; FISSION: .byte 3{{ *}}# DW_AT_location
; DW_OP_GNU_const_index (0xfx == 252) to refer to the debug_addr table
; FISSION-NEXT: .byte 252
; an index of zero into the debug_addr table
; FISSION-NEXT: .byte 0
; SINGLE: .section .debug_info,
; DARWIN: .section {{.*}}debug_info,
; 10 bytes of data in this DW_FORM_block1 representation of the location of 'tls'
; SINGLE-64: .byte 10 # DW_AT_location
; DW_OP_const8u (0x0e == 14) of address
; SINGLE-64-NEXT: .byte 14
; SINGLE-64-NEXT: .quad tls@DTPOFF
; DARWIN: .byte 10 ## DW_AT_location
; DW_OP_const8u (0x0e == 14) of address
; DARWIN-NEXT: .byte 14
; DARWIN-NEXT: .quad _tls
; 6 bytes of data in 32-bit mode
; SINGLE-32: .byte 6 # DW_AT_location
; DW_OP_const4u (0x0e == 12) of address
; SINGLE-32-NEXT: .byte 12
; SINGLE-32-NEXT: .long tls@DTPOFF
; DW_OP_GNU_push_tls_address
; GNUOP-NEXT: .byte 224
; DW_OP_form_tls_address
; STDOP-NEXT: .byte 155
; FISSION: DW_TAG_variable
; FISSION: .byte 2 # DW_AT_location
; DW_OP_GNU_addr_index
; FISSION-NEXT: .byte 251
; FISSION-NEXT: .byte 1
; FISSION: DW_TAG_template_value_parameter
; FISSION: .byte 3 # DW_AT_location
; DW_OP_GNU_addr_index
; FISSION-NEXT: .byte 251
; FISSION-NEXT: .byte 1
; DW_OP_stack_value
; FISSION-NEXT: .byte 159
; check that the expected TLS address description is the first thing in the debug_addr section
; FISSION: .section .debug_addr
; FISSION: addr_sec:
; FISSION-NEXT: .quad tls@DTPOFF
; FISSION-NEXT: .quad glbl
; FISSION-NOT: .quad glbl
; Generated from:
; __thread int tls;
; int glbl;
;
; template <int *I>
; int func() {
; return 0;
; }
;
; template int func<&glbl>(); // create a second reference to 'glbl'
@tls = thread_local global i32 0, align 4
@glbl = global i32 0, align 4
; Function Attrs: nounwind uwtable
define weak_odr i32 @_Z4funcIXadL_Z4glblEEEiv() #0 !dbg !4 {
entry:
ret i32 0, !dbg !18
}
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" }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!15, !16}
!llvm.ident = !{!17}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, splitDebugFilename: "-.dwo", emissionKind: 0, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !12, imports: !2)
!1 = !DIFile(filename: "tls.cpp", directory: "/tmp/dbginfo")
!2 = !{}
!3 = !{!4}
!4 = distinct !DISubprogram(name: "func<&glbl>", linkageName: "_Z4funcIXadL_Z4glblEEEiv", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !5, type: !6, templateParams: !9, variables: !2)
!5 = !DIFile(filename: "tls.cpp", directory: "/tmp/dbginfo")
!6 = !DISubroutineType(types: !7)
!7 = !{!8}
!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!9 = !{!10}
!10 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "I", type: !11, value: i32* @glbl)
!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
!12 = !{!13, !14}
!13 = !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8, variable: i32* @tls)
!14 = !DIGlobalVariable(name: "glbl", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8, variable: i32* @glbl)
!15 = !{i32 2, !"Dwarf Version", i32 4}
!16 = !{i32 1, !"Debug Info Version", i32 3}
!17 = !{!"clang version 3.5 "}
!18 = !DILocation(line: 6, scope: !4)
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