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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
44 lines
2.1 KiB
LLVM
44 lines
2.1 KiB
LLVM
; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s --check-prefix=LINUX
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; RUN: llc -mtriple=x86_64-darwin < %s | FileCheck %s --check-prefix=DARWIN
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source_filename = "test/DebugInfo/X86/stringpool.ll"
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@yyyy = common global i32 0, align 4, !dbg !0
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!llvm.dbg.cu = !{!4}
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!llvm.module.flags = !{!7}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = !DIGlobalVariable(name: "yyyy", scope: null, file: !2, line: 1, type: !3, isLocal: false, isDefinition: true)
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!2 = !DIFile(filename: "z.c", directory: "/home/nicholas")
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!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!4 = distinct !DICompileUnit(language: DW_LANG_C99, file: !2, producer: "clang version 3.1 (trunk 143009)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !5, retainedTypes: !5, globals: !6, imports: !5)
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!5 = !{}
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; Verify that "yyyy" ended up in the stringpool.
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; LINUX: .section .debug_str,"MS",@progbits,1
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; LINUX: yyyy
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; DARWIN: .section __DWARF,__debug_str,regular,debug
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; DARWIN: .asciz "yyyy" ## string offset=[[YYYY:[0-9]+]]
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; Verify that we refer to 'yyyy' with a relocation.
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; LINUX: .long .Linfo_string3 # DW_AT_name
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; LINUX-NEXT: .long {{[0-9]+}} # DW_AT_type
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; LINUX-NEXT: # DW_AT_external
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; LINUX-NEXT: .byte 1 # DW_AT_decl_file
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; LINUX-NEXT: .byte 1 # DW_AT_decl_line
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; LINUX-NEXT: .byte 9 # DW_AT_location
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; LINUX-NEXT: .byte 3
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; LINUX-NEXT: .quad yyyy
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; Verify that we refer to 'yyyy' with a direct offset.
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; DARWIN: .long [[YYYY]]
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; DARWIN-NEXT: .long {{[0-9]+}} ## DW_AT_type
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; DARWIN-NEXT: ## DW_AT_external
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; DARWIN-NEXT: .byte 1 ## DW_AT_decl_file
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; DARWIN-NEXT: .byte 1 ## DW_AT_decl_line
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; DARWIN-NEXT: .byte 9 ## DW_AT_location
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; DARWIN-NEXT: .byte 3
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; DARWIN-NEXT: .quad _yyyy
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!6 = !{!0}
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!7 = !{i32 1, !"Debug Info Version", i32 3}
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