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7d6813a6c8
This change simplifies code that has to deal with DIGlobalVariableExpression and mirrors how we treat DIExpressions in debug info intrinsics. Before this change there were two ways of representing empty expressions on globals, a nullptr and an empty !DIExpression(). If someone needs to upgrade out-of-tree testcases: perl -pi -e 's/(!DIGlobalVariableExpression\(var: ![0-9]*)\)/\1, expr: !DIExpression())/g' <MYTEST.ll> will catch 95%. llvm-svn: 312144
134 lines
5.4 KiB
LLVM
134 lines
5.4 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-file=foo.dwo \
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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-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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source_filename = "test/DebugInfo/X86/tls.ll"
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@tls = thread_local global i32 0, align 4, !dbg !0
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@glbl = global i32 0, align 4, !dbg !4
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; Function Attrs: nounwind uwtable
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define weak_odr i32 @_Z4funcIXadL_Z4glblEEEiv() #0 !dbg !12 {
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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 = !{!6}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "tls", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "tls.cpp", directory: "/tmp/dbginfo")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression())
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!5 = !DIGlobalVariable(name: "glbl", scope: null, file: !2, line: 2, type: !3, isLocal: false, isDefinition: true)
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!6 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.5 ", isOptimized: false, runtimeVersion: 0, splitDebugFilename: "-.dwo", emissionKind: FullDebug, enums: !7, retainedTypes: !7, globals: !8, imports: !7)
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!7 = !{}
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!8 = !{!0, !4}
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!9 = !{i32 2, !"Dwarf Version", i32 4}
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!10 = !{i32 1, !"Debug Info Version", i32 3}
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!11 = !{!"clang version 3.5 "}
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!12 = distinct !DISubprogram(name: "func<&glbl>", linkageName: "_Z4funcIXadL_Z4glblEEEiv", scope: !2, file: !2, line: 5, type: !13, isLocal: false, isDefinition: true, scopeLine: 5, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !6, templateParams: !15, variables: !7)
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!13 = !DISubroutineType(types: !14)
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!14 = !{!3}
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!15 = !{!16}
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!16 = !DITemplateValueParameter(name: "I", type: !17, value: i32* @glbl)
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!17 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !3, size: 64, align: 64)
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!18 = !DILocation(line: 6, scope: !12)
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