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644e8f4a5b
Add a helper function getDebugInfoVersionFromModule to return the debug info version number for a module. "Verifier/module-flags-1.ll" checks for verification errors. It will seg fault when calling getDebugInfoVersionFromModule because of the incorrect format for module flags in the testing case. We make getModuleFlagsMetadata more robust by checking for error conditions. PR17982 llvm-svn: 196158
27 lines
1.7 KiB
LLVM
27 lines
1.7 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
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define i32 @main() {
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entry:
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%retval = alloca i32, align 4
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store i32 0, i32* %retval
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ret i32 0, !dbg !12
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9}
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!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.5 (trunk 195495) (llvm/trunk 195495:195504M)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/Users/manmanren/llvm_gmail/release/../llvm/tools/clang/test/CodeGen/debug-info-version.c] [DW_LANG_C99]
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!1 = metadata !{metadata !"../llvm/tools/clang/test/CodeGen/debug-info-version.c", metadata !"/Users/manmanren/llvm_gmail/release"}
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!2 = metadata !{i32 0}
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!3 = metadata !{metadata !4}
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!4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"main", metadata !"main", metadata !"", i32 3, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [main]
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!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/Users/manmanren/llvm_gmail/release/../llvm/tools/clang/test/CodeGen/debug-info-version.c]
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!6 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
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!7 = metadata !{metadata !8}
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!8 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
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!9 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
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!12 = metadata !{i32 4, i32 0, metadata !4, null}
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; CHECK-NOT: !dbg
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; CHECK-NOT: !llvm.dbg.cu
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