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llvm-mirror/test/Assembler/metadata.ll
Peter Collingbourne 232f184d9b IR: Allow multiple global metadata attachments with the same type.
This will be necessary to allow the global merge pass to attach
multiple debug info metadata nodes to global variables once we reverse
the edge from DIGlobalVariable to GlobalVariable.

Differential Revision: http://reviews.llvm.org/D20414

llvm-svn: 271358
2016-06-01 01:17:57 +00:00

59 lines
1.8 KiB
LLVM

; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
; RUN: verify-uselistorder %s
; CHECK: @global = global i32 0, !foo [[M2:![0-9]+]], !foo [[M3:![0-9]+]], !baz [[M3]]
@global = global i32 0, !foo !2, !foo !3, !baz !3
; CHECK-LABEL: @test
; CHECK: ret void, !foo [[M0:![0-9]+]], !bar [[M1:![0-9]+]]
define void @test() !dbg !1 {
add i32 2, 1, !bar !0
add i32 1, 2, !foo !1
call void @llvm.dbg.func.start(metadata !"foo")
extractvalue {{i32, i32}, i32} undef, 0, 1, !foo !0
ret void, !foo !0, !bar !1
}
; CHECK: define void @test2() !foo [[M2]] !baz [[M3]]
define void @test2() !foo !2 !baz !3 {
unreachable
}
; CHECK: define void @test3() !bar [[M3]]
; CHECK: unreachable, !bar [[M4:![0-9]+]]
define void @test3() !bar !3 {
unreachable, !bar !4
}
; CHECK-LABEL: define void @test_attachment_name() {
; CHECK: unreachable, !\342abc [[M4]]
define void @test_attachment_name() {
;; Escape the first character when printing text IR, since it's a digit
unreachable, !\34\32abc !4
}
; CHECK: [[M2]] = distinct !{}
; CHECK: [[M3]] = distinct !{}
; CHECK: [[M0]] = !DILocation
; CHECK: [[M1]] = distinct !DISubprogram
; CHECK: [[M4]] = distinct !{}
!llvm.module.flags = !{!7}
!llvm.dbg.cu = !{!5}
!0 = !DILocation(line: 662302, column: 26, scope: !1)
!1 = distinct !DISubprogram(name: "foo", isDefinition: true, unit: !5)
!2 = distinct !{}
!3 = distinct !{}
!4 = distinct !{}
!5 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang",
file: !6,
isOptimized: true, flags: "-O2",
splitDebugFilename: "abc.debug", emissionKind: 2)
!6 = !DIFile(filename: "path/to/file", directory: "/path/to/dir")
!7 = !{i32 2, !"Debug Info Version", i32 3}
declare void @llvm.dbg.func.start(metadata) nounwind readnone
!foo = !{ !0 }
!bar = !{ !1 }