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75da1f2b54
This is just the basic groundwork for supporting DW_TAG_imported_module but I wanted to commit this before pushing support further into Clang or LLVM so that this rather churny change is isolated from the rest of the work. The major churn here is obviously adding another field (within the common DIScope prefix) to all DIScopes (files, classes, namespaces, lexical scopes, etc). This should be the last big churny change needed for DW_TAG_imported_module/using directive support/PR14606. llvm-svn: 178099
31 lines
1.8 KiB
LLVM
31 lines
1.8 KiB
LLVM
; RUN: llc %s -mtriple=x86_64-pc-linux-gnu -O0 -o - | FileCheck %s
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; We are testing that a value in a 16 bit register gets reported as
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; being in its superregister.
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; FIXME: There should be a DW_OP_bit_piece too.
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; CHECK: .byte 80 # DW_OP_reg0
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define i16 @f(i16 signext %zzz) nounwind {
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entry:
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call void @llvm.dbg.value(metadata !{i16 %zzz}, i64 0, metadata !0)
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%conv = sext i16 %zzz to i32, !dbg !7
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%conv1 = trunc i32 %conv to i16
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ret i16 %conv1
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}
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declare void @llvm.dbg.value(metadata, i64, metadata) nounwind readnone
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!llvm.dbg.cu = !{!3}
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!9 = metadata !{metadata !1}
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!0 = metadata !{i32 786689, metadata !1, metadata !"zzz", metadata !2, i32 16777219, metadata !6, i32 0, null} ; [ DW_TAG_arg_variable ]
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!1 = metadata !{i32 786478, metadata !2, null, metadata !"f", metadata !"f", metadata !"", metadata !2, i32 3, metadata !4, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, i16 (i16)* @f, null, null, null, i32 3} ; [ DW_TAG_subprogram ]
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!2 = metadata !{i32 786473, metadata !"/home/espindola/llvm/test.c", null, metadata !"/home/espindola/tmpfs/build", metadata !3} ; [ DW_TAG_file_type ]
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!3 = metadata !{i32 786449, i32 12, null, metadata !2, metadata !"clang version 3.0 ()", i1 false, metadata !"", i32 0, null, null, metadata !9, null, metadata !""} ; [ DW_TAG_compile_unit ]
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!4 = metadata !{i32 786453, metadata !2, null, metadata !"", metadata !2, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !5, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
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!5 = metadata !{null}
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!6 = metadata !{i32 786468, metadata !3, null, metadata !"short", null, i32 0, i64 16, i64 16, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ]
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!7 = metadata !{i32 4, i32 22, metadata !8, null}
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!8 = metadata !{i32 786443, metadata !2, null, metadata !1, i32 3, i32 19, i32 0} ; [ DW_TAG_lexical_block ]
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