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DI: Fold constant arguments into a single MDString

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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.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218914 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Duncan P. N. Exon Smith
2014-10-02 21:56:57 +00:00
parent bf21d40070
commit 0917b70630
354 changed files with 6806 additions and 6707 deletions
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10
test/DebugInfo/PowerPC/tls-fission.ll
View File

@@ -21,12 +21,12 @@
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!7, !8}
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !3, metadata !2, metadata !"tls.dwo"} ; [ DW_TAG_compile_unit ] [/tmp/tls.cpp] [DW_LANG_C_plus_plus]
!0 = metadata !{metadata !"0x11\004\00clang version 3.4 \000\00\000\00tls.dwo\000", metadata !1, metadata !2, metadata !2, metadata !2, metadata !3, metadata !2} ; [ DW_TAG_compile_unit ] [/tmp/tls.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !"tls.cpp", metadata !"/tmp"}
!2 = metadata !{}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786484, i32 0, null, metadata !"tls", metadata !"tls", metadata !"", metadata !5, i32 1, metadata !6, i32 0, i32 1, i32* @tls, null} ; [ DW_TAG_variable ] [tls] [line 1] [def]
!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/tls.cpp]
!6 = 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]
!4 = metadata !{metadata !"0x34\00tls\00tls\00\001\000\001", null, metadata !5, metadata !6, i32* @tls, null} ; [ DW_TAG_variable ] [tls] [line 1] [def]
!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/tmp/tls.cpp]
!6 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!7 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
!8 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
!8 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}

10
test/DebugInfo/PowerPC/tls.ll
View File

@@ -17,13 +17,13 @@
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!7, !8}
!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !3, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/tls.cpp] [DW_LANG_C_plus_plus]
!0 = metadata !{metadata !"0x11\004\00clang version 3.4 \000\00\000\00\000", metadata !1, metadata !2, metadata !2, metadata !2, metadata !3, metadata !2} ; [ DW_TAG_compile_unit ] [/tmp/tls.cpp] [DW_LANG_C_plus_plus]
!1 = metadata !{metadata !"tls.cpp", metadata !"/tmp"}
!2 = metadata !{}
!3 = metadata !{metadata !4}
!4 = metadata !{i32 786484, i32 0, null, metadata !"tls", metadata !"tls", metadata !"", metadata !5, i32 1, metadata !6, i32 0, i32 1, i32* @tls, null} ; [ DW_TAG_variable ] [tls] [line 1] [def]
!5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/tls.cpp]
!6 = 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]
!4 = metadata !{metadata !"0x34\00tls\00tls\00\001\000\001", null, metadata !5, metadata !6, i32* @tls, null} ; [ DW_TAG_variable ] [tls] [line 1] [def]
!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/tmp/tls.cpp]
!6 = metadata !{metadata !"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
!7 = metadata !{i32 2, metadata !"Dwarf Version", i32 3}
!8 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
!8 = metadata !{i32 1, metadata !"Debug Info Version", i32 2}