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      1 ; RUN: opt -early-cse -S %s -o - | FileCheck %s
      2 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
      3 
      4 ; Function Attrs: nounwind uwtable
      5 define i32 @foo() !dbg !6 {
      6 entry:
      7   %0 = call i64 @llvm.ctpop.i64(i64 0), !dbg !14
      8   %1 = inttoptr i64 %0 to i32*, !dbg !14
      9   call void @llvm.dbg.value(metadata i32* %1, i64 0, metadata !11, metadata !13), !dbg !14
     10 ; CHECK: call void @llvm.dbg.value(metadata i64 0, metadata !11, metadata !DIExpression()), !dbg !13
     11   %call = call i32* (...) @baa(), !dbg !15
     12   %2 = ptrtoint i32* %call to i64, !dbg !16
     13   %3 = inttoptr i64 %2 to i32*, !dbg !16
     14   call void @llvm.dbg.value(metadata i32* %3, i64 0, metadata !11, metadata !13), !dbg !14
     15   %tobool = icmp ne i32* %3, null, !dbg !17
     16   br i1 %tobool, label %if.end, label %if.then, !dbg !19
     17 
     18 if.then:                                          ; preds = %entry
     19   br label %cleanup, !dbg !20
     20 
     21 if.end:                                           ; preds = %entry
     22   %4 = ptrtoint i32* %3 to i32, !dbg !21
     23   br label %cleanup, !dbg !22
     24 
     25 cleanup:                                          ; preds = %if.end, %if.then
     26   %retval.0 = phi i32 [ %4, %if.end ], [ 0, %if.then ]
     27   ret i32 %retval.0, !dbg !22
     28 }
     29 
     30 declare i32* @baa(...)
     31 
     32 ; Function Attrs: nounwind readnone
     33 declare i64 @llvm.ctpop.i64(i64)
     34 
     35 ; Function Attrs: nounwind readnone
     36 declare void @llvm.dbg.value(metadata, i64, metadata, metadata)
     37 
     38 !llvm.dbg.cu = !{!0}
     39 !llvm.module.flags = !{!3, !4}
     40 !llvm.ident = !{!5}
     41 
     42 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 6.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
     43 !1 = !DIFile(filename: "test.c", directory: "/dir")
     44 !2 = !{}
     45 !3 = !{i32 2, !"Dwarf Version", i32 4}
     46 !4 = !{i32 2, !"Debug Info Version", i32 3}
     47 !5 = !{!"clang version 6.0.0"}
     48 !6 = distinct !DISubprogram(name: "foo", scope: !1, file: !1, line: 3, type: !7, isLocal: false, isDefinition: true, scopeLine: 3, isOptimized: true, unit: !0, retainedNodes: !10)
     49 !7 = !DISubroutineType(types: !8)
     50 !8 = !{!9}
     51 !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
     52 !10 = !{!11}
     53 !11 = !DILocalVariable(name: "ptr", scope: !6, file: !1, line: 4, type: !12)
     54 !12 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64)
     55 !13 = !DIExpression()
     56 !14 = !DILocation(line: 4, column: 8, scope: !6)
     57 !15 = !DILocation(line: 5, column: 9, scope: !6)
     58 !16 = !DILocation(line: 5, column: 7, scope: !6)
     59 !17 = !DILocation(line: 7, column: 7, scope: !18)
     60 !18 = distinct !DILexicalBlock(scope: !6, file: !1, line: 7, column: 6)
     61 !19 = !DILocation(line: 7, column: 6, scope: !6)
     62 !20 = !DILocation(line: 8, column: 5, scope: !18)
     63 !21 = !DILocation(line: 10, column: 10, scope: !6)
     64 !22 = !DILocation(line: 11, column: 1, scope: !6)
     65