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a9fbb2813b
This patch reverses the edge from DIGlobalVariable to GlobalVariable. This will allow us to more easily preserve debug info metadata when manipulating global variables. Fixes PR30362. A program for upgrading test cases is attached to that bug. Differential Revision: http://reviews.llvm.org/D20147 llvm-svn: 281284
132 lines
5.3 KiB
LLVM
132 lines
5.3 KiB
LLVM
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu \
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; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-64 --check-prefix=GNUOP %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=i386-linux-gnu \
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; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-32 --check-prefix=GNUOP %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=NOEMU --check-prefix=FISSION --check-prefix=GNUOP %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-scei-ps4 \
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; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-64 --check-prefix=STDOP %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-apple-darwin \
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; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=DARWIN --check-prefix=STDOP %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-freebsd \
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; RUN: | FileCheck --check-prefix=NOEMU --check-prefix=SINGLE --check-prefix=SINGLE-64 --check-prefix=GNUOP %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu -emulated-tls \
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; RUN: | FileCheck --check-prefix=SINGLE --check-prefix=EMUSINGLE-64 \
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; RUN: --check-prefix=EMUGNUOP --check-prefix=EMU %s
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; RUN: llc %s -o - -filetype=asm -O0 -mtriple=i386-linux-gnu -emulated-tls \
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; RUN: | FileCheck --check-prefix=SINGLE --check-prefix=EMUSINGLE-32 \
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; RUN: --check-prefix=EMUGNUOP --check-prefix=EMU %s
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; TODO: Add expected output for -emulated-tls tests.
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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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; DARWIN: .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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; DARWIN: .byte 10 ## DW_AT_location
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; DW_OP_const8u (0x0e == 14) of address
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; DARWIN-NEXT: .byte 14
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; DARWIN-NEXT: .quad _tls
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; 6 bytes of data in 32-bit mode
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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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; GNUOP-NEXT: .byte 224
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; DW_OP_form_tls_address
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; STDOP-NEXT: .byte 155
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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: addr_sec:
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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, !dbg !13
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@glbl = global i32 0, align 4, !dbg !14
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; Function Attrs: nounwind uwtable
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define weak_odr i32 @_Z4funcIXadL_Z4glblEEEiv() #0 !dbg !4 {
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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 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, splitDebugFilename: "-.dwo", emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !12, imports: !2)
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!1 = !DIFile(filename: "tls.cpp", directory: "/tmp/dbginfo")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "func<&glbl>", linkageName: "_Z4funcIXadL_Z4glblEEEiv", line: 5, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !6, templateParams: !9, variables: !2)
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!5 = !DIFile(filename: "tls.cpp", directory: "/tmp/dbginfo")
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!6 = !DISubroutineType(types: !7)
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!7 = !{!8}
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!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!9 = !{!10}
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!10 = !DITemplateValueParameter(tag: DW_TAG_template_value_parameter, name: "I", type: !11, value: i32* @glbl)
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!11 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
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!12 = !{!13, !14}
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!13 = !DIGlobalVariable(name: "tls", line: 1, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
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!14 = !DIGlobalVariable(name: "glbl", line: 2, isLocal: false, isDefinition: true, scope: null, file: !5, type: !8)
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!15 = !{i32 2, !"Dwarf Version", i32 4}
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!16 = !{i32 1, !"Debug Info Version", i32 3}
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!17 = !{!"clang version 3.5 "}
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!18 = !DILocation(line: 6, scope: !4)
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