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| author | David Blaikie <dblaikie@gmail.com> | 2013-06-23 18:31:11 +0000 |
|---|---|---|
| committer | David Blaikie <dblaikie@gmail.com> | 2013-06-23 18:31:11 +0000 |
| commit | fe2e66a6dab6162fb10ed2d576cd122f34d2626f (patch) | |
| tree | e5a3ced413efe71d005f3acf6159f4e8af54b198 /test/DebugInfo | |
| parent | 7130a9561787cf14d5349d22cde1e0b3a4d5c21d (diff) | |
| download | llvm-fe2e66a6dab6162fb10ed2d576cd122f34d2626f.tar.gz llvm-fe2e66a6dab6162fb10ed2d576cd122f34d2626f.tar.bz2 llvm-fe2e66a6dab6162fb10ed2d576cd122f34d2626f.tar.xz | |
DebugInfo: PR14404: Avoid truncating 64 bit values into 32 bits for ULEB128/SLEB128 generation
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184669 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test/DebugInfo')
| -rw-r--r-- | test/DebugInfo/pr14404.ll | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/test/DebugInfo/pr14404.ll b/test/DebugInfo/pr14404.ll new file mode 100644 index 0000000000..fd96afe97f --- /dev/null +++ b/test/DebugInfo/pr14404.ll @@ -0,0 +1,37 @@ +; REQUIRES: object-emission + +; RUN: llc -O0 -filetype=obj < %s > %t +; RUN: llvm-dwarfdump %t | FileCheck %s + +; IR generated from the following code compiled with clang -g: +; enum e { I, J = 0xffffffffU, K = 0xf000000000000000ULL } x; + +; These values were previously being truncated to -1 and 0 respectively. + +; CHECK: debug_info contents +; CHECK: DW_TAG_enumerator +; CHECK: DW_TAG_enumerator +; CHECK-NEXT: DW_AT_name{{.*}} = "J" +; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (4294967295) +; CHECK: DW_TAG_enumerator +; CHECK-NEXT: DW_AT_name{{.*}} = "K" +; CHECK-NEXT: DW_AT_const_value [DW_FORM_sdata] (-1152921504606846976) + +@x = common global i64 0, align 8 + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!12} + +!0 = metadata !{i32 786449, metadata !1, i32 12, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !8, metadata !8, metadata !9, metadata !8, metadata !""} ; [ DW_TAG_compile_unit ] [/tmp/enum.c] [DW_LANG_C99] +!1 = metadata !{metadata !"enum.c", metadata !"/tmp"} +!2 = metadata !{metadata !3} +!3 = metadata !{i32 786436, metadata !1, null, metadata !"e", i32 1, i64 64, i64 64, i32 0, i32 0, null, metadata !4, i32 0, i32 0} ; [ DW_TAG_enumeration_type ] [e] [line 1, size 64, align 64, offset 0] [def] [from ] +!4 = metadata !{metadata !5, metadata !6, metadata !7} +!5 = metadata !{i32 786472, metadata !"I", i64 0} ; [ DW_TAG_enumerator ] [I :: 0] +!6 = metadata !{i32 786472, metadata !"J", i64 4294967295} ; [ DW_TAG_enumerator ] [J :: 4294967295] +!7 = metadata !{i32 786472, metadata !"K", i64 -1152921504606846976} ; [ DW_TAG_enumerator ] [K :: 17293822569102704640] +!8 = metadata !{i32 0} +!9 = metadata !{metadata !10} +!10 = metadata !{i32 786484, i32 0, null, metadata !"x", metadata !"x", metadata !"", metadata !11, i32 1, metadata !3, i32 0, i32 1, i64* @x, null} ; [ DW_TAG_variable ] [x] [line 1] [def] +!11 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/tmp/enum.c] +!12 = metadata !{i32 2, metadata !"Dwarf Version", i32 3} |