| ; RUN: llc -march=hexagon < %s | 
 | ; REQUIRES: asserts | 
 |  | 
 | ; Check that we no longer get this error: | 
 | ; void llvm::ScheduleDAGMILive::scheduleMI(llvm::SUnit *, bool): | 
 | ; Assertion `TopRPTracker.getPos() == CurrentTop && "out of sync"' failed. | 
 |  | 
 | target triple = "hexagon" | 
 |  | 
 | %struct.A = type { %struct.B*, %struct.B* } | 
 | %struct.B = type { i8*, %struct.B*, %struct.B* } | 
 |  | 
 | @.str.4 = external hidden unnamed_addr constant [41 x i8], align 1 | 
 | @__func__.fred = external hidden unnamed_addr constant [16 x i8], align 1 | 
 | @.str.5 = external hidden unnamed_addr constant [43 x i8], align 1 | 
 |  | 
 | ; Function Attrs: nounwind | 
 | declare void @_Assert(i8*, i8*) #0 | 
 |  | 
 | ; Function Attrs: nounwind | 
 | define void @fred(%struct.A* %pA, %struct.B* %p) #0 !dbg !6 { | 
 | entry: | 
 |   tail call void @llvm.dbg.value(metadata %struct.A* %pA, i64 0, metadata !26, metadata !28), !dbg !29 | 
 |   tail call void @llvm.dbg.value(metadata %struct.B* %p, i64 0, metadata !27, metadata !28), !dbg !30 | 
 |   %cmp = icmp eq %struct.B* %p, null, !dbg !31 | 
 |   br i1 %cmp, label %cond.false, label %cond.end, !dbg !31 | 
 |  | 
 | cond.false:                                       ; preds = %entry | 
 |   tail call void @_Assert(i8* getelementptr inbounds ([41 x i8], [41 x i8]* @.str.4, i32 0, i32 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @__func__.fred, i32 0, i32 0)) #0, !dbg !32 | 
 |   br label %cond.end, !dbg !32 | 
 |  | 
 | cond.end:                                         ; preds = %cond.false, %entry | 
 |   %cmp1 = icmp eq %struct.A* %pA, null, !dbg !34 | 
 |   br i1 %cmp1, label %cond.false3, label %cond.end4, !dbg !34 | 
 |  | 
 | cond.false3:                                      ; preds = %cond.end | 
 |   tail call void @_Assert(i8* getelementptr inbounds ([43 x i8], [43 x i8]* @.str.5, i32 0, i32 0), i8* getelementptr inbounds ([16 x i8], [16 x i8]* @__func__.fred, i32 0, i32 0)) #0, !dbg !35 | 
 |   br label %cond.end4, !dbg !35 | 
 |  | 
 | cond.end4:                                        ; preds = %cond.false3, %cond.end | 
 |   %p2 = getelementptr inbounds %struct.A, %struct.A* %pA, i32 0, i32 0, !dbg !36 | 
 |   %0 = load %struct.B*, %struct.B** %p2, align 4, !dbg !38, !tbaa !39 | 
 |   %cmp5 = icmp eq %struct.B* %0, null, !dbg !44 | 
 |   br i1 %cmp5, label %if.then, label %if.end, !dbg !45 | 
 |  | 
 | if.then:                                          ; preds = %cond.end4 | 
 |   %p1 = getelementptr inbounds %struct.A, %struct.A* %pA, i32 0, i32 1, !dbg !46 | 
 |   store %struct.B* %p, %struct.B** %p1, align 4, !dbg !48, !tbaa !49 | 
 |   store %struct.B* %p, %struct.B** %p2, align 4, !dbg !50, !tbaa !39 | 
 |   %p4 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 1, !dbg !51 | 
 |   store %struct.B* null, %struct.B** %p4, align 4, !dbg !52, !tbaa !53 | 
 |   %p5 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 2, !dbg !55 | 
 |   store %struct.B* null, %struct.B** %p5, align 4, !dbg !56, !tbaa !57 | 
 |   br label %return, !dbg !58 | 
 |  | 
 | if.end:                                           ; preds = %cond.end4 | 
 |   %1 = ptrtoint %struct.B* %0 to i32, !dbg !59 | 
 |   %p57 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 2, !dbg !60 | 
 |   store %struct.B* null, %struct.B** %p57, align 4, !dbg !61, !tbaa !57 | 
 |   %p49 = getelementptr inbounds %struct.B, %struct.B* %p, i32 0, i32 1, !dbg !62 | 
 |   %2 = bitcast %struct.B** %p49 to i32*, !dbg !63 | 
 |   store i32 %1, i32* %2, align 4, !dbg !63, !tbaa !53 | 
 |   %p511 = getelementptr inbounds %struct.B, %struct.B* %0, i32 0, i32 2, !dbg !64 | 
 |   store %struct.B* %p, %struct.B** %p511, align 4, !dbg !65, !tbaa !57 | 
 |   store %struct.B* %p, %struct.B** %p2, align 4, !dbg !66, !tbaa !39 | 
 |   br label %return, !dbg !67 | 
 |  | 
 | return:                                           ; preds = %if.end, %if.then | 
 |   ret void, !dbg !68 | 
 | } | 
 |  | 
 | ; Function Attrs: nounwind readnone | 
 | declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1 | 
 |  | 
 | attributes #0 = { nounwind } | 
 | attributes #1 = { nounwind readnone } | 
 |  | 
 | !llvm.dbg.cu = !{!0} | 
 | !llvm.module.flags = !{!3, !4} | 
 | !llvm.ident = !{!5} | 
 |  | 
 | !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (http://llvm.org/git/clang.git 4b380bc1db8b0c72bdbdaf0e4697b1a84100a369) (http://llvm.org/git/llvm.git 6217a62bc009d55e160dbb694f2e94a22c80809f)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2) | 
 | !1 = !DIFile(filename: "bug.c", directory: "/") | 
 | !2 = !{} | 
 | !3 = !{i32 2, !"Dwarf Version", i32 4} | 
 | !4 = !{i32 2, !"Debug Info Version", i32 3} | 
 | !5 = !{!"clang version 3.9.0 (http://llvm.org/git/clang.git 4b380bc1db8b0c72bdbdaf0e4697b1a84100a369) (http://llvm.org/git/llvm.git 6217a62bc009d55e160dbb694f2e94a22c80809f)"} | 
 | !6 = distinct !DISubprogram(name: "fred", scope: !1, file: !1, line: 138, type: !7, isLocal: false, isDefinition: true, scopeLine: 139, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !25) | 
 | !7 = !DISubroutineType(types: !8) | 
 | !8 = !{null, !9, !15} | 
 | !9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 32, align: 32) | 
 | !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "A", file: !11, line: 57, baseType: !12) | 
 | !11 = !DIFile(filename: "bug.h", directory: "/") | 
 | !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !11, line: 54, size: 64, align: 32, elements: !13) | 
 | !13 = !{!14, !24} | 
 | !14 = !DIDerivedType(tag: DW_TAG_member, name: "p2", scope: !12, file: !11, line: 55, baseType: !15, size: 32, align: 32) | 
 | !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 32, align: 32) | 
 | !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "B", file: !11, line: 50, baseType: !17) | 
 | !17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "B", file: !11, line: 45, size: 96, align: 32, elements: !18) | 
 | !18 = !{!19, !21, !23} | 
 | !19 = !DIDerivedType(tag: DW_TAG_member, name: "p3", scope: !17, file: !11, line: 47, baseType: !20, size: 32, align: 32) | 
 | !20 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 32, align: 32) | 
 | !21 = !DIDerivedType(tag: DW_TAG_member, name: "p4", scope: !17, file: !11, line: 48, baseType: !22, size: 32, align: 32, offset: 32) | 
 | !22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 32, align: 32) | 
 | !23 = !DIDerivedType(tag: DW_TAG_member, name: "p5", scope: !17, file: !11, line: 49, baseType: !22, size: 32, align: 32, offset: 64) | 
 | !24 = !DIDerivedType(tag: DW_TAG_member, name: "p1", scope: !12, file: !11, line: 56, baseType: !15, size: 32, align: 32, offset: 32) | 
 | !25 = !{!26, !27} | 
 | !26 = !DILocalVariable(name: "pA", arg: 1, scope: !6, file: !1, line: 138, type: !9) | 
 | !27 = !DILocalVariable(name: "p", arg: 2, scope: !6, file: !1, line: 138, type: !15) | 
 | !28 = !DIExpression() | 
 | !29 = !DILocation(line: 138, column: 34, scope: !6) | 
 | !30 = !DILocation(line: 138, column: 57, scope: !6) | 
 | !31 = !DILocation(line: 140, column: 5, scope: !6) | 
 | !32 = !DILocation(line: 140, column: 5, scope: !33) | 
 | !33 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 2) | 
 | !34 = !DILocation(line: 141, column: 5, scope: !6) | 
 | !35 = !DILocation(line: 141, column: 5, scope: !33) | 
 | !36 = !DILocation(line: 143, column: 30, scope: !37) | 
 | !37 = distinct !DILexicalBlock(scope: !6, file: !1, line: 143, column: 9) | 
 | !38 = !DILocation(line: 155, column: 18, scope: !6) | 
 | !39 = !{!40, !41, i64 0} | 
 | !40 = !{!"", !41, i64 0, !41, i64 4} | 
 | !41 = !{!"any pointer", !42, i64 0} | 
 | !42 = !{!"omnipotent char", !43, i64 0} | 
 | !43 = !{!"Simple C/C++ TBAA"} | 
 | !44 = !DILocation(line: 143, column: 14, scope: !37) | 
 | !45 = !DILocation(line: 143, column: 9, scope: !6) | 
 | !46 = !DILocation(line: 146, column: 26, scope: !47) | 
 | !47 = distinct !DILexicalBlock(scope: !37, file: !1, line: 143, column: 41) | 
 | !48 = !DILocation(line: 146, column: 36, scope: !47) | 
 | !49 = !{!40, !41, i64 4} | 
 | !50 = !DILocation(line: 145, column: 32, scope: !47) | 
 | !51 = !DILocation(line: 147, column: 20, scope: !47) | 
 | !52 = !DILocation(line: 147, column: 29, scope: !47) | 
 | !53 = !{!54, !41, i64 4} | 
 | !54 = !{!"B", !41, i64 0, !41, i64 4, !41, i64 8} | 
 | !55 = !DILocation(line: 148, column: 20, scope: !47) | 
 | !56 = !DILocation(line: 148, column: 29, scope: !47) | 
 | !57 = !{!54, !41, i64 8} | 
 | !58 = !DILocation(line: 149, column: 9, scope: !47) | 
 | !59 = !DILocation(line: 154, column: 41, scope: !6) | 
 | !60 = !DILocation(line: 153, column: 16, scope: !6) | 
 | !61 = !DILocation(line: 153, column: 25, scope: !6) | 
 | !62 = !DILocation(line: 154, column: 16, scope: !6) | 
 | !63 = !DILocation(line: 154, column: 26, scope: !6) | 
 | !64 = !DILocation(line: 155, column: 29, scope: !6) | 
 | !65 = !DILocation(line: 155, column: 39, scope: !6) | 
 | !66 = !DILocation(line: 156, column: 28, scope: !6) | 
 | !67 = !DILocation(line: 157, column: 1, scope: !6) | 
 | !68 = !DILocation(line: 157, column: 1, scope: !69) | 
 | !69 = !DILexicalBlockFile(scope: !6, file: !1, discriminator: 1) |