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58b6077a79
This patch addresses the first stage of PR17891 by folding constant arguments together into a single MDString. Integers are stringified and a `\0` character is used as a separator. Part of PR17891. Note: I've attached my testcases upgrade scripts to the PR. If I've just broken your out-of-tree testcases, they might help. llvm-svn: 218914
17 lines
675 B
LLVM
17 lines
675 B
LLVM
; RUN: llvm-link %s %p/debug-info-version-b.ll -S -o - | FileCheck %s
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; Test linking of incompatible debug info versions. The debug info
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; from the other file should be dropped.
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; CHECK-NOT: metadata !{metadata !"b.c", metadata !""}
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; CHECK: metadata !{metadata !"a.c", metadata !""}
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; CHECK-NOT: metadata !{metadata !"b.c", metadata !""}
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!llvm.module.flags = !{ !0 }
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!llvm.dbg.cu = !{!1}
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!0 = metadata !{i32 2, metadata !"Debug Info Version", i32 2}
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!1 = metadata !{metadata !"0x11\0012\00clang\001\00\000\00\000", metadata !2, metadata !3, metadata !3, metadata !3, null, null} ; [ DW_TAG_compile_unit ]
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!2 = metadata !{metadata !"a.c", metadata !""}
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!3 = metadata !{}
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