--- /dev/null
+; RUN: opt -gvn -S < %s | FileCheck %s
+
+; Check that the redundant load from %if.then is removed.
+; Also, check that the debug location associated to load %0 still refers to
+; line 3 and not line 6.
+
+target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
+
+; CHECK: @test_redundant_load(
+; CHECK-LABEL: entry:
+; CHECK-NEXT: load i32, i32* %Y, align 4, !dbg ![[LOC:[0-9]+]]
+; CHECK-LABEL: if.then:
+; CHECK-NOT: load
+; CHECK-LABEL: if.end:
+; CHECK: ![[LOC]] = !DILocation(line: 3, scope: !{{.*}})
+
+define i32 @test_redundant_load(i32 %X, i32* %Y) !dbg !6 {
+entry:
+ %0 = load i32, i32* %Y, align 4, !dbg !8
+ %cmp = icmp sgt i32 %X, -1, !dbg !9
+ br i1 %cmp, label %if.then, label %if.end, !dbg !9
+
+if.then: ; preds = %entry
+ %1 = load i32, i32* %Y, align 4, !dbg !10
+ %add = add nsw i32 %0, %1, !dbg !10
+ call void @foo(), !dbg !11
+ br label %if.end, !dbg !12
+
+if.end: ; preds = %if.then, %entry
+ %Result.0 = phi i32 [ %add, %if.then ], [ %0, %entry ]
+ ret i32 %Result.0, !dbg !13
+}
+
+declare void @foo()
+
+!llvm.dbg.cu = !{!0}
+!llvm.module.flags = !{!3, !4, !5}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2)
+!1 = !DIFile(filename: "test.cpp", directory: "")
+!2 = !{}
+!3 = !{i32 2, !"Dwarf Version", i32 4}
+!4 = !{i32 2, !"Debug Info Version", i32 3}
+!5 = !{i32 1, !"PIC Level", i32 2}
+!6 = distinct !DISubprogram(name: "test_redundant_load", scope: !1, file: !1, line: 2, type: !7, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
+!7 = !DISubroutineType(types: !2)
+!8 = !DILocation(line: 3, scope: !6)
+!9 = !DILocation(line: 5, scope: !6)
+!10 = !DILocation(line: 6, scope: !6)
+!11 = !DILocation(line: 7, scope: !6)
+!12 = !DILocation(line: 8, scope: !6)
+!13 = !DILocation(line: 10, scope: !6)