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| author | Devang Patel <dpatel@apple.com> | 2010-01-20 02:05:23 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2010-01-20 02:05:23 +0000 |
| commit | fd311dffa36fe6e48734ba28e6439dcb5b22f7fb (patch) | |
| tree | fd85dfe91d0ee901f3e90ec693af1f1dcff9ff19 /test | |
| parent | a05f25bba28c58ad154d1198e0eb9d9199bbef31 (diff) | |
| download | external_llvm-fd311dffa36fe6e48734ba28e6439dcb5b22f7fb.zip external_llvm-fd311dffa36fe6e48734ba28e6439dcb5b22f7fb.tar.gz external_llvm-fd311dffa36fe6e48734ba28e6439dcb5b22f7fb.tar.bz2 | |
If a instruction belongs to another function (and not current function) as per debug info attached with the instruction then ignore the dangling lexical scope of this instruction. Such scopes are unreachable.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@93967 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
| -rw-r--r-- | test/DebugInfo/2010-01-19-DbgScope.ll | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/test/DebugInfo/2010-01-19-DbgScope.ll b/test/DebugInfo/2010-01-19-DbgScope.ll new file mode 100644 index 0000000..7afb5a5 --- /dev/null +++ b/test/DebugInfo/2010-01-19-DbgScope.ll @@ -0,0 +1,28 @@ +; RUN: llc -O0 < %s -o /dev/null +; Ignore unreachable scopes. +declare void @foo(i32) noreturn + +define i32 @bar() nounwind ssp { +entry: + br i1 undef, label %bb, label %bb11, !dbg !0 + +bb: ; preds = %entry + call void @foo(i32 0) noreturn nounwind, !dbg !7 + unreachable, !dbg !7 + +bb11: ; preds = %entry + ret i32 1, !dbg !11 +} + +!0 = metadata !{i32 8647, i32 0, metadata !1, null} +!1 = metadata !{i32 458763, metadata !2} ; [ DW_TAG_lexical_block ] +!2 = metadata !{i32 458798, i32 0, metadata !3, metadata !"bar", metadata !"bar", metadata !"bar", metadata !3, i32 8639, metadata !4, i1 true, i1 true, i32 0, i32 0, null} ; [ DW_TAG_subprogram ] +!3 = metadata !{i32 458769, i32 0, i32 1, metadata !"c-parser.c", metadata !"llvmgcc", metadata !"LLVM build 00", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] +!4 = metadata !{i32 458773, metadata !3, metadata !"", metadata !3, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !5, i32 0} ; [ DW_TAG_subroutine_type ] +!5 = metadata !{metadata !6} +!6 = metadata !{i32 458788, metadata !3, metadata !"char", metadata !3, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ] +!7 = metadata !{i32 8648, i32 0, metadata !8, null} +!8 = metadata !{i32 458763, metadata !9} ; [ DW_TAG_lexical_block ] +!9 = metadata !{i32 458763, metadata !10} ; [ DW_TAG_lexical_block ] +!10 = metadata !{i32 458798, i32 0, metadata !3, metadata !"bar2", metadata !"bar2", metadata !"bar2", metadata !3, i32 8639, metadata !4, i1 true, i1 true, i32 0, i32 0, null} ; [ DW_TAG_subprogram ] +!11 = metadata !{i32 8652, i32 0, metadata !1, null} |