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| author | Devang Patel <dpatel@apple.com> | 2011-04-08 21:55:10 +0000 |
|---|---|---|
| committer | Devang Patel <dpatel@apple.com> | 2011-04-08 21:55:10 +0000 |
| commit | fb6e8d65547b744b1804b74b263f163e9879b901 (patch) | |
| tree | e287d18b31798e37822aed3ca4891c8d89357926 /test/DebugInfo/array.ll | |
| parent | 90464131a353812f461cb3aac4a7adce2eb7579b (diff) | |
| download | external_llvm-fb6e8d65547b744b1804b74b263f163e9879b901.zip external_llvm-fb6e8d65547b744b1804b74b263f163e9879b901.tar.gz external_llvm-fb6e8d65547b744b1804b74b263f163e9879b901.tar.bz2 | |
Do not emit DW_AT_upper_bound and DW_AT_lower_bound for unbouded array.
If lower bound is more then upper bound then consider it is an unbounded array.
An array is unbounded if non-zero lower bound is same as upper bound.
If lower bound and upper bound are zero than array has one element.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@129156 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/DebugInfo/array.ll')
| -rw-r--r-- | test/DebugInfo/array.ll | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/test/DebugInfo/array.ll b/test/DebugInfo/array.ll new file mode 100644 index 0000000..f4aefec --- /dev/null +++ b/test/DebugInfo/array.ll @@ -0,0 +1,34 @@ +; RUN: llc -O0 < %s | FileCheck %s +; Do not emit AT_upper_bound for an unbounded array. + +define i32 @main() nounwind ssp { +entry: + %retval = alloca i32, align 4 + %a = alloca [0 x i32], align 4 + store i32 0, i32* %retval + call void @llvm.dbg.declare(metadata !{[0 x i32]* %a}, metadata !6), !dbg !11 + ret i32 0, !dbg !12 +} + +declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone + +!llvm.dbg.sp = !{!0} + +!0 = metadata !{i32 589870, i32 0, metadata !1, metadata !"main", metadata !"main", metadata !"", metadata !1, i32 3, metadata !3, i1 false, i1 true, i32 0, i32 0, i32 0, i32 0, i1 false, i32 ()* @main, null} ; [ DW_TAG_subprogram ] +!1 = metadata !{i32 589865, metadata !"array.c", metadata !"/private/tmp", metadata !2} ; [ DW_TAG_file_type ] +!2 = metadata !{i32 589841, i32 0, i32 12, metadata !"array.c", metadata !"/private/tmp", metadata !"clang version 3.0 (trunk 129138)", i1 true, i1 false, metadata !"", i32 0} ; [ DW_TAG_compile_unit ] +!3 = metadata !{i32 589845, metadata !1, metadata !"", metadata !1, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !4, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] +!4 = metadata !{metadata !5} +!5 = metadata !{i32 589860, metadata !2, metadata !"int", null, i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] +!6 = metadata !{i32 590080, metadata !7, metadata !"a", metadata !1, i32 4, metadata !8, i32 0} ; [ DW_TAG_auto_variable ] +!7 = metadata !{i32 589835, metadata !0, i32 3, i32 12, metadata !1, i32 0} ; [ DW_TAG_lexical_block ] +!8 = metadata !{i32 589825, metadata !2, metadata !"", metadata !2, i32 0, i64 0, i64 32, i32 0, i32 0, metadata !5, metadata !9, i32 0, i32 0} ; [ DW_TAG_array_type ] +!9 = metadata !{metadata !10} +;CHECK: DW_TAG_subrange_type +;CHECK-NEXT: DW_AT_type +;CHECK-NOT: DW_AT_lower_bound +;CHECK-NOT: DW_AT_upper_bound +;CHECK-NEXT: End Of Children Mark +!10 = metadata !{i32 589857, i64 1, i64 0} ; [ DW_TAG_subrange_type ] +!11 = metadata !{i32 4, i32 7, metadata !7, null} +!12 = metadata !{i32 5, i32 3, metadata !7, null} |