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-rw-r--r--llvm/test/Verifier/fnarg-debuginfo.ll26
1 files changed, 26 insertions, 0 deletions
diff --git a/llvm/test/Verifier/fnarg-debuginfo.ll b/llvm/test/Verifier/fnarg-debuginfo.ll
new file mode 100644
index 00000000000..7cbe9ce93b9
--- /dev/null
+++ b/llvm/test/Verifier/fnarg-debuginfo.ll
@@ -0,0 +1,26 @@
+; RUN: not llvm-as < %s -o /dev/null 2>&1 | FileCheck %s
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata)
+declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
+
+define void @foo() !dbg !2 {
+entry:
+ %a = alloca i32
+ ; CHECK: conflicting debug info for argument
+ call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !3, metadata !DIExpression()), !dbg !6
+ call void @llvm.dbg.declare(metadata i32* %a, metadata !4, metadata !DIExpression()), !dbg !6
+ ret void, !dbg !6
+}
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!7, !8}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", emissionKind: FullDebug)
+!1 = !DIFile(filename: "x.c", directory: "/")
+!2 = distinct !DISubprogram(name: "foo", scope: !0, isDefinition: true, unit: !0)
+!3 = !DILocalVariable(name: "a", arg: 1, scope: !2, file: !1, line: 1, type: !5)
+!4 = !DILocalVariable(name: "b", arg: 1, scope: !2, file: !1, line: 1, type: !5)
+!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
+!6 = !DILocation(line: 1, scope: !2)
+!7 = !{i32 2, !"Dwarf Version", i32 4}
+!8 = !{i32 1, !"Debug Info Version", i32 3}
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