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| author | David Blaikie <dblaikie@gmail.com> | 2014-02-11 21:49:46 +0000 |
|---|---|---|
| committer | David Blaikie <dblaikie@gmail.com> | 2014-02-11 21:49:46 +0000 |
| commit | feb006fac48cc8ba89f2d72ae7ffc27c13403e04 (patch) | |
| tree | be32b49b1d39e4ee7ce04f3311c6987717f9a851 /test/DebugInfo/empty.ll | |
| parent | 3f93eb58a6b7f2adb4405e0a8c5d1ccd31f622fb (diff) | |
| download | llvm-feb006fac48cc8ba89f2d72ae7ffc27c13403e04.tar.gz llvm-feb006fac48cc8ba89f2d72ae7ffc27c13403e04.tar.bz2 llvm-feb006fac48cc8ba89f2d72ae7ffc27c13403e04.tar.xz | |
DebugInfo: Don't include the name of the CU file in the line table file list when it's unneeded
This comes up in empty files or files containing #file directives that
never reference the actual source file name. Came up in a small test of
line tables I was playing with.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201187 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/DebugInfo/empty.ll')
| -rw-r--r-- | test/DebugInfo/empty.ll | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/test/DebugInfo/empty.ll b/test/DebugInfo/empty.ll new file mode 100644 index 0000000000..afeb865d90 --- /dev/null +++ b/test/DebugInfo/empty.ll @@ -0,0 +1,15 @@ +; RUN: llc %s -o %t -filetype=obj +; RUN: llvm-dwarfdump -debug-dump=line %t | FileCheck %s + +; Expect no line table entry since there are no functions and file references in this compile unit +; CHECK: .debug_line contents: +; CHECK-NOT: Line table prologue: + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!5} + +!0 = metadata !{i32 720913, metadata !4, i32 12, metadata !"clang version 3.1 (trunk 143523)", i1 true, metadata !"", i32 0, metadata !2, metadata !2, metadata !2, metadata !2, null, metadata !""} ; [ DW_TAG_compile_unit ] +!2 = metadata !{} +!3 = metadata !{i32 786473, metadata !4} ; [ DW_TAG_file_type ] +!4 = metadata !{metadata !"empty.c", metadata !"/home/nlewycky"} +!5 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} |