1 files changed, 52 insertions, 0 deletions
diff --git a/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
new file mode 100644
index 00000000000..e83c8226a88
--- /dev/null
+++ b/llvm/test/Transforms/Mem2Reg/ConvertDebugInfo.ll
@@ -0,0 +1,52 @@
+; RUN: opt < %s -mem2reg -S | FileCheck %s
+
+define double @testfunc(i32 %i, double %j) nounwind ssp !dbg !1 {
+entry:
+  %i_addr = alloca i32                            ; <i32*> [#uses=2]
+  %j_addr = alloca double                         ; <double*> [#uses=2]
+  %retval = alloca double                         ; <double*> [#uses=2]
+  %0 = alloca double                              ; <double*> [#uses=2]
+  %"alloca point" = bitcast i32 0 to i32          ; <i32> [#uses=0]
+  call void @llvm.dbg.declare(metadata i32* %i_addr, metadata !0, metadata !DIExpression()), !dbg !8
+; CHECK: call void @llvm.dbg.value(metadata i32 %i, metadata ![[IVAR:[0-9]*]], metadata {{.*}})
+; CHECK: call void @llvm.dbg.value(metadata double %j, metadata ![[JVAR:[0-9]*]], metadata {{.*}})
+; CHECK: ![[IVAR]] = !DILocalVariable(name: "i"
+; CHECK: ![[JVAR]] = !DILocalVariable(name: "j"
+  store i32 %i, i32* %i_addr
+  call void @llvm.dbg.declare(metadata double* %j_addr, metadata !9, metadata !DIExpression()), !dbg !8
+  store double %j, double* %j_addr
+  %1 = load i32, i32* %i_addr, align 4, !dbg !10       ; <i32> [#uses=1]
+  %2 = add nsw i32 %1, 1, !dbg !10                ; <i32> [#uses=1]
+  %3 = sitofp i32 %2 to double, !dbg !10          ; <double> [#uses=1]
+  %4 = load double, double* %j_addr, align 8, !dbg !10    ; <double> [#uses=1]
+  %5 = fadd double %3, %4, !dbg !10               ; <double> [#uses=1]
+  store double %5, double* %0, align 8, !dbg !10
+  %6 = load double, double* %0, align 8, !dbg !10         ; <double> [#uses=1]
+  store double %6, double* %retval, align 8, !dbg !10
+  br label %return, !dbg !10
+
+return:                                           ; preds = %entry
+  %retval1 = load double, double* %retval, !dbg !10       ; <double> [#uses=1]
+  ret double %retval1, !dbg !10
+}
+
+declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
+
+!llvm.dbg.cu = !{!3}
+!llvm.module.flags = !{!14}
+
+!0 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !1, file: !2, type: !7)
+!1 = distinct !DISubprogram(name: "testfunc", linkageName: "testfunc", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !3, scopeLine: 2, file: !12, scope: !2, type: !4)
+!2 = !DIFile(filename: "testfunc.c", directory: "/tmp")
+!3 = distinct !DICompileUnit(language: DW_LANG_C89, producer: "4.2.1 (Based on Apple Inc. build 5658) (LLVM build)", isOptimized: true, emissionKind: FullDebug, file: !12, enums: !13, retainedTypes: !13)
+!4 = !DISubroutineType(types: !5)
+!5 = !{!6, !7, !6}
+!6 = !DIBasicType(tag: DW_TAG_base_type, name: "double", size: 64, align: 64, encoding: DW_ATE_float)
+!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
+!8 = !DILocation(line: 2, scope: !1)
+!9 = !DILocalVariable(name: "j", line: 2, arg: 2, scope: !1, file: !2, type: !6)
+!10 = !DILocation(line: 3, scope: !11)
+!11 = distinct !DILexicalBlock(line: 2, column: 0, file: !12, scope: !1)
+!12 = !DIFile(filename: "testfunc.c", directory: "/tmp")
+!13 = !{}
+!14 = !{i32 1, !"Debug Info Version", i32 3}