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authorDevang Patel <dpatel@apple.com>2011-11-17 23:43:15 +0000
committerDevang Patel <dpatel@apple.com>2011-11-17 23:43:15 +0000
commitce35d8b5a1071bb8ccf70bf8be3952dd0c4f2f15 (patch)
treee062a669d8c630c6a5fb5a1ac92a72e4668986eb /test
parent2e7fb2f73641f1f1ca385fe7777075945bf4ca24 (diff)
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DISubrange supports unsigned lower/upper array bounds, so let's not fake it in the end while emitting DWARF. If a FE needs to encode signed lower/upper array bounds then we need to extend DISubrange or ad DISignedSubrange.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144937 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'test')
-rw-r--r--test/CodeGen/X86/dbg-subrange.ll37
1 files changed, 37 insertions, 0 deletions
diff --git a/test/CodeGen/X86/dbg-subrange.ll b/test/CodeGen/X86/dbg-subrange.ll
new file mode 100644
index 0000000..788910c
--- /dev/null
+++ b/test/CodeGen/X86/dbg-subrange.ll
@@ -0,0 +1,37 @@
+; RUN: llc -O0 < %s | FileCheck %s
+; Radar 10464995
+target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"
+target triple = "x86_64-apple-macosx10.7.2"
+
+@s = common global [4294967296 x i8] zeroinitializer, align 16
+;CHECK: .long 4294967295
+
+define void @bar() nounwind uwtable ssp {
+entry:
+ store i8 97, i8* getelementptr inbounds ([4294967296 x i8]* @s, i32 0, i64 0), align 1, !dbg !18
+ ret void, !dbg !20
+}
+
+!llvm.dbg.cu = !{!0}
+
+!0 = metadata !{i32 720913, i32 0, i32 12, metadata !"small.c", metadata !"/private/tmp", metadata !"clang version 3.1 (trunk 144833)", i1 true, i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !11} ; [ DW_TAG_compile_unit ]
+!1 = metadata !{metadata !2}
+!2 = metadata !{i32 0}
+!3 = metadata !{metadata !4}
+!4 = metadata !{metadata !5}
+!5 = metadata !{i32 720942, i32 0, metadata !6, metadata !"bar", metadata !"bar", metadata !"", metadata !6, i32 4, metadata !7, i1 false, i1 true, i32 0, i32 0, i32 0, i32 256, i1 false, void ()* @bar, null, null, metadata !9} ; [ DW_TAG_subprogram ]
+!6 = metadata !{i32 720937, metadata !"small.c", metadata !"/private/tmp", null} ; [ DW_TAG_file_type ]
+!7 = metadata !{i32 720917, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i32 0, i32 0, i32 0, metadata !8, i32 0, i32 0} ; [ DW_TAG_subroutine_type ]
+!8 = metadata !{null}
+!9 = metadata !{metadata !10}
+!10 = metadata !{i32 720932} ; [ DW_TAG_base_type ]
+!11 = metadata !{metadata !12}
+!12 = metadata !{metadata !13}
+!13 = metadata !{i32 720948, i32 0, null, metadata !"s", metadata !"s", metadata !"", metadata !6, i32 2, metadata !14, i32 0, i32 1, [4294967296 x i8]* @s} ; [ DW_TAG_variable ]
+!14 = metadata !{i32 720897, null, metadata !"", null, i32 0, i64 34359738368, i64 8, i32 0, i32 0, metadata !15, metadata !16, i32 0, i32 0} ; [ DW_TAG_array_type ]
+!15 = metadata !{i32 720932, null, metadata !"char", null, i32 0, i64 8, i64 8, i64 0, i32 0, i32 6} ; [ DW_TAG_base_type ]
+!16 = metadata !{metadata !17}
+!17 = metadata !{i32 720929, i64 0, i64 4294967295} ; [ DW_TAG_subrange_type ]
+!18 = metadata !{i32 5, i32 3, metadata !19, null}
+!19 = metadata !{i32 720907, metadata !5, i32 4, i32 1, metadata !6, i32 0} ; [ DW_TAG_lexical_block ]
+!20 = metadata !{i32 6, i32 1, metadata !19, null}