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-rw-r--r--test/DebugInfo/Mips/InlinedFnLocalVar.ll57
1 files changed, 57 insertions, 0 deletions
diff --git a/test/DebugInfo/Mips/InlinedFnLocalVar.ll b/test/DebugInfo/Mips/InlinedFnLocalVar.ll
new file mode 100644
index 0000000..6cef6b4
--- /dev/null
+++ b/test/DebugInfo/Mips/InlinedFnLocalVar.ll
@@ -0,0 +1,57 @@
+; RUN: llc -mtriple mips-linux-gnu -O2 %s -o - | FileCheck %s
+; Check struct X for dead variable xyz from inlined function foo.
+
+; CHECK: section_info
+; CHECK: DW_TAG_structure_type
+; CHECK-NEXT: info_string
+
+
+@i = common global i32 0 ; <i32*> [#uses=2]
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
+
+declare void @llvm.dbg.value(metadata, i64, metadata, metadata) nounwind readnone
+
+define i32 @bar() nounwind ssp {
+entry:
+ %0 = load i32, i32* @i, align 4, !dbg !17 ; <i32> [#uses=2]
+ tail call void @llvm.dbg.value(metadata i32 %0, i64 0, metadata !9, metadata !MDExpression()), !dbg !19
+ tail call void @llvm.dbg.declare(metadata !29, metadata !10, metadata !MDExpression()), !dbg !21
+ %1 = mul nsw i32 %0, %0, !dbg !22 ; <i32> [#uses=2]
+ store i32 %1, i32* @i, align 4, !dbg !17
+ ret i32 %1, !dbg !23
+}
+
+!llvm.dbg.cu = !{!2}
+!llvm.module.flags = !{!28}
+
+!0 = !MDSubprogram(name: "foo", line: 9, isLocal: true, isDefinition: true, virtualIndex: 6, isOptimized: true, scopeLine: 9, file: !27, scope: !1, type: !3, variables: !24)
+!1 = !MDFile(filename: "bar.c", directory: "/tmp/")
+!2 = !MDCompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: 0, file: !27, enums: !20, retainedTypes: !20, subprograms: !25, globals: !26, imports: !20)
+!3 = !MDSubroutineType(types: !4)
+!4 = !{!5, !5}
+!5 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!6 = !MDSubprogram(name: "bar", linkageName: "bar", line: 14, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: true, file: !27, scope: !1, type: !7, function: i32 ()* @bar)
+!7 = !MDSubroutineType(types: !8)
+!8 = !{!5}
+!9 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "j", line: 9, arg: 0, scope: !0, file: !1, type: !5)
+!10 = !MDLocalVariable(tag: DW_TAG_auto_variable, name: "xyz", line: 10, scope: !11, file: !1, type: !12)
+!11 = distinct !MDLexicalBlock(line: 9, column: 0, file: !1, scope: !0)
+!12 = !MDCompositeType(tag: DW_TAG_structure_type, name: "X", line: 10, size: 64, align: 32, file: !27, scope: !0, elements: !13)
+!13 = !{!14, !15}
+!14 = !MDDerivedType(tag: DW_TAG_member, name: "a", line: 10, size: 32, align: 32, file: !27, scope: !12, baseType: !5)
+!15 = !MDDerivedType(tag: DW_TAG_member, name: "b", line: 10, size: 32, align: 32, offset: 32, file: !27, scope: !12, baseType: !5)
+!16 = !MDGlobalVariable(name: "i", line: 5, isLocal: false, isDefinition: true, scope: !1, file: !1, type: !5, variable: i32* @i)
+!17 = !MDLocation(line: 15, scope: !18)
+!18 = distinct !MDLexicalBlock(line: 14, column: 0, file: !1, scope: !6)
+!19 = !MDLocation(line: 9, scope: !0, inlinedAt: !17)
+!20 = !{}
+!21 = !MDLocation(line: 9, scope: !11, inlinedAt: !17)
+!22 = !MDLocation(line: 11, scope: !11, inlinedAt: !17)
+!23 = !MDLocation(line: 16, scope: !18)
+!24 = !{!9, !10}
+!25 = !{!0, !6}
+!26 = !{!16}
+!27 = !MDFile(filename: "bar.c", directory: "/tmp/")
+!28 = !{i32 1, !"Debug Info Version", i32 3}
+!29 = !{null}