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authorEric Christopher <echristo@gmail.com>2013-10-03 17:41:20 +0000
committerEric Christopher <echristo@gmail.com>2013-10-03 17:41:20 +0000
commit45fae28db7ccc4f9d40f4b4d3fb35676826dfdc0 (patch)
tree8e6eb505c1698d497847a994ccaad18f70edb608 /test/DebugInfo/X86/gnu-public-names-empty.ll
parent7c9fc90c75a2b7cf18dd725484aba0af55b44b33 (diff)
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Make sure we emit a section for pubnames even if that section is
going to be empty. This is particularly important for the gnu pubnames case since we're emitting a relocation to the section. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191915 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/DebugInfo/X86/gnu-public-names-empty.ll')
-rw-r--r--test/DebugInfo/X86/gnu-public-names-empty.ll18
1 files changed, 18 insertions, 0 deletions
diff --git a/test/DebugInfo/X86/gnu-public-names-empty.ll b/test/DebugInfo/X86/gnu-public-names-empty.ll
new file mode 100644
index 0000000000..2f5787a1be
--- /dev/null
+++ b/test/DebugInfo/X86/gnu-public-names-empty.ll
@@ -0,0 +1,18 @@
+; RUN: llc -mtriple=x86_64-pc-linux-gnu -generate-gnu-dwarf-pub-sections -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s
+
+; Generated from:
+
+; static int a __attribute__((section("a")));
+
+; Check that the attributes in the compile unit both point to a correct
+; location, even when nothing is exported.
+; CHECK: DW_AT_GNU_pubnames [DW_FORM_sec_offset] (0x00000000)
+; CHECK: DW_AT_GNU_pubtypes [DW_FORM_sec_offset] (0x00000000)
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3}
+
+!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.4 (trunk 191846) (llvm/trunk 191866)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/foo.c] [DW_LANG_C99]
+!1 = metadata !{metadata !"foo.c", metadata !"/usr/local/google/home/echristo/tmp"}
+!2 = metadata !{i32 0}
+!3 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}