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      1 ; RUN: llc < %s -mtriple=x86_64-apple-macosx -enable-misched \
      2 ; RUN:          -verify-machineinstrs | FileCheck %s
      3 ;
      4 ; Test RegisterPressure handling of DBG_VALUE.
      5 ;
      6 ; CHECK: %entry
      7 ; CHECK: DEBUG_VALUE: test:callback
      8 ; CHECK: ret
      9 
     10 %struct.btCompoundLeafCallback = type { i32, i32 }
     11 
     12 declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
     13 
     14 define void @test() unnamed_addr uwtable ssp align 2 !dbg !2 {
     15 entry:
     16   %callback = alloca %struct.btCompoundLeafCallback, align 8
     17   br i1 undef, label %if.end, label %if.then
     18 
     19 if.then:                                          ; preds = %entry
     20   unreachable
     21 
     22 if.end:                                           ; preds = %entry
     23   call void @llvm.dbg.declare(metadata %struct.btCompoundLeafCallback* %callback, metadata !3, metadata !DIExpression()), !dbg !DILocation(scope: !2)
     24   %m = getelementptr inbounds %struct.btCompoundLeafCallback, %struct.btCompoundLeafCallback* %callback, i64 0, i32 1
     25   store i32 0, i32* undef, align 8
     26   %cmp12447 = icmp sgt i32 undef, 0
     27   br i1 %cmp12447, label %for.body.lr.ph, label %invoke.cont44
     28 
     29 for.body.lr.ph:                                   ; preds = %if.end
     30   unreachable
     31 
     32 invoke.cont44:                                    ; preds = %if.end
     33   ret void
     34 }
     35 
     36 !llvm.dbg.cu = !{!0}
     37 !llvm.module.flags = !{!8}
     38 
     39 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.3 (trunk 168984) (llvm/trunk 168983)", isOptimized: true, emissionKind: 0, file: !6, subprograms: !1)
     40 !1 = !{!2}
     41 !2 = distinct !DISubprogram(name: "test", isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 1, file: !6, scope: !5, type: !7)
     42 !3 = !DILocalVariable(name: "callback", line: 214, scope: !2, type: !4)
     43 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "btCompoundLeafCallback", line: 90, size: 512, align: 64, file: !6)
     44 !5 = !DIFile(filename: "MultiSource/Benchmarks/Bullet/btCompoundCollisionAlgorithm.cpp", directory: "MultiSource/Benchmarks/Bullet")
     45 !6 = !DIFile(filename: "MultiSource/Benchmarks/Bullet/btCompoundCollisionAlgorithm.cpp", directory: "MultiSource/Benchmarks/Bullet")
     46 !7 = !DISubroutineType(types: !9)
     47 !8 = !{i32 1, !"Debug Info Version", i32 3}
     48 !9 = !{null}
     49