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TestingBundlesValidators.scala 39.2 KB
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package uvm.ir.textinput

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import org.scalatest._

import uvm._
import uvm.types._
import uvm.ssavalues._
import uvm.ifuncs._

trait TestingBundlesValidators extends Matchers with ExtraMatchers {
  
  implicit class MagicalOur(b: Bundle) {
    def ty = b.typeNs
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    def const = b.globalValueNs
    def globalValue = b.globalValueNs
    def globalData = b.globalDataNs
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    def sig = b.funcSigNs
    def func = b.funcNs
  }

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  implicit class MagicalMy(c: CFG) {
    def bb = c.bbNs
    def localValue = c.lvNs
    def param = c.lvNs
    def inst = c.lvNs
  }

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  def validateTypes(bundle: Bundle) {
    val our = bundle
    
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    our ty "@i1" shouldBeATypeIntOf(1)
    our ty "@i8" shouldBeATypeIntOf(8)
    our ty "@i16" shouldBeATypeIntOf(16)
    our ty "@i32" shouldBeATypeIntOf(32)
    our ty "@i64" shouldBeATypeIntOf(64)
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    our ty "@f" shouldBeA[TypeFloat] thatsIt
    our ty "@d" shouldBeA[TypeDouble] thatsIt
    
    our ty "@rv" shouldBeA[TypeRef] { _.ty shouldBeA[TypeVoid] thatsIt }
    our ty "@irv" shouldBeA[TypeIRef] { _.ty shouldBeA[TypeVoid] thatsIt }
    our ty "@wrv" shouldBeA[TypeWeakRef] { _.ty shouldBeA[TypeVoid] thatsIt }
    
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    our ty "@ri16" shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf(16)}
    our ty "@ri16_2" shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf(16)}
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    our ty "@s0" shouldBeA[TypeStruct] { _.fieldTy shouldBe empty }
    our ty "@s1" shouldBeA[TypeStruct] { its =>
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      its fieldTy 0 shouldBeATypeIntOf(8)
      its fieldTy 1 shouldBeATypeIntOf(16)
      its fieldTy 2 shouldBeATypeIntOf(32)
      its fieldTy 3 shouldBeATypeIntOf(64)
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      its fieldTy 4 shouldBeA[TypeFloat] thatsIt
      its fieldTy 5 shouldBeA[TypeDouble] thatsIt
      its fieldTy 6 shouldBeA[TypeRef] { _.ty shouldBeA[TypeVoid] thatsIt }
      its fieldTy 7 shouldBeA[TypeIRef] { _.ty shouldBeA[TypeVoid] thatsIt }
      its fieldTy 8 shouldBeA[TypeWeakRef] { _.ty shouldBeA[TypeVoid] thatsIt }
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      its fieldTy 9 shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf(16)}
      its fieldTy 10 shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf(16)}
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    }
    
    our ty "@cons" shouldBeA[TypeStruct] { its =>
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      its fieldTy 0 shouldBeATypeIntOf(64)
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      its fieldTy 1 shouldBeA[TypeRef] { _.ty shouldBe (our ty "@cons")}
    }
    
    our ty "@a0" shouldBeA[TypeArray] { its =>
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      its.elemTy shouldBeATypeIntOf(8)
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      its.len shouldEqual 100
    }
    our ty "@a1" shouldBeA[TypeArray] { its =>
      its.elemTy shouldBeA[TypeStruct] { whose =>
        whose fieldTy 0 shouldBeA[TypeDouble] thatsIt
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        whose fieldTy 1 shouldBeATypeIntOf(64)
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      }
      its.len shouldEqual 10
    }
    our ty "@a2" shouldBeA[TypeArray] { its =>
      its.elemTy shouldBe (our ty "@a1")
      its.len shouldEqual 10
    }
    
    our ty "@h0" shouldBeA[TypeHybrid] { its =>
      its.fixedPart shouldBeA[TypeVoid] thatsIt
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      its.varPart shouldBeATypeIntOf(8)
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    }
    our ty "@h1" shouldBeA[TypeHybrid] { its =>
      its.fixedPart shouldBeA[TypeStruct] { whose =>
        whose fieldTy 0 shouldBe (our ty "@i32")
        whose fieldTy 1 shouldBe (our ty "@i32")
        whose fieldTy 2 shouldBeA[TypeFloat] thatsIt
      }
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      its.varPart shouldBeATypeIntOf(64)
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    }
    
    our ty "@v" shouldBeA[TypeVoid] thatsIt
    
    our ty "@f0" shouldBeA[TypeFunc] { its =>
      its.sig.retTy shouldBeA[TypeVoid] thatsIt
      its.sig.paramTy shouldBe empty
    }
    our ty "@f1" shouldBeA[TypeFunc] { its =>
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      its.sig.retTy shouldBeATypeIntOf(32)
      its.sig paramTy 0 shouldBeATypeIntOf(32)
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      its.sig.paramTy(1) shouldBeA[TypeIRef] { _.ty shouldBeA[TypeIRef] {
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        _.ty shouldBeATypeIntOf(8)}
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      }
    }
    
    our ty "@th" shouldBeA[TypeThread] thatsIt
    our ty "@st" shouldBeA[TypeStack] thatsIt
    our ty "@tr64" shouldBeA[TypeTagRef64] thatsIt
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  }
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  def validateConstants(bundle: Bundle) {
    val our = bundle

    our const "@ci8" shouldBeAConstIntOf (8, 127)
    our const "@ci16" shouldBeAConstIntOf (16, 32767)
    our const "@ci32" shouldBeAConstIntOf (32, 2147483647)
    our const "@ci64" shouldBeAConstIntOf (64, 9223372036854775807L)
    
    our const "@ci64neg" shouldBeAConstIntOf (64, BigInt(-42L) & 0xffffffffffffffffL)
    
    our const "@cio64" shouldBeAConstIntOf (64, BigInt("777", 8))
    
    our const "@cix64" shouldBeAConstIntOf (64, BigInt("123456789abcdef0", 16))
    our const "@cixovf" shouldBeAConstIntOf (64, BigInt("ffffffffffffffff", 16))
    our const "@cixovf2" shouldBeAConstIntOf (64, BigInt("8000000000000000", 16))
    
    our const "@cf" shouldBeAConstFloatOf 3.14F
    our const "@cfnan" shouldBeAConstFloatOf nan
    our const "@cfninf" shouldBeAConstFloatOf Float.NegativeInfinity 
    our const "@cfpinf" shouldBeAConstFloatOf Float.PositiveInfinity 
    our const "@cfbits" shouldBeAConstFloatOf exactly(bitsf(0x12345678))
  
    our const "@cd" shouldBeAConstDoubleOf 6.28D
    our const "@cdnan" shouldBeAConstDoubleOf nan
    our const "@cdninf" shouldBeAConstDoubleOf Double.NegativeInfinity 
    our const "@cdpinf" shouldBeAConstDoubleOf Double.PositiveInfinity 
    our const "@cdbits" shouldBeAConstDoubleOf exactly(bitsd(0xfedcba9876543210L))
 
    our const "@cs1" shouldBeA[ConstStruct] { its=>
      its.constTy shouldBeA[TypeStruct] { whose =>
        whose fieldTy 0 shouldBeATypeIntOf(64)
        whose fieldTy 1 shouldBeA[TypeDouble] thatsIt
      }
      its fields 0 shouldBeAConstIntOf (64, 100)
      its fields 1 shouldBeAConstDoubleOf 200.0D
    }
    
    our const "@cs2" shouldBeA[ConstStruct] { its=>
      its.constTy shouldBeA[TypeStruct] { whose =>
        whose fieldTy 0 shouldBeA[TypeDouble] thatsIt
        whose fieldTy 1 shouldBeA[TypeStruct] { where =>
          where fieldTy 0 shouldBeA[TypeFloat] thatsIt
          where fieldTy 1 shouldBeATypeIntOf(64)
        }
        whose fieldTy 2 shouldBeATypeIntOf(32)
      }
      its fields 0 shouldBeAConstDoubleOf 1.0D
      its fields 1 shouldBeA[ConstStruct] { whose =>
        whose fields 0 shouldBeAConstFloatOf 2.0F
        whose fields 1 shouldBeAConstIntOf (64, 3)
      }
      its fields 2 shouldBeAConstIntOf (32, 4)
    }
    
    our const "@cons" shouldBeA[ConstStruct] { its =>
      its.constTy shouldBe (our ty "@Cons")
      its fields 0 shouldBeAConstIntOf (64, 42)
      its fields 1 shouldBeA[ConstNull] { _.ty shouldBeA[TypeRef] { _.ty shouldBe (our ty "@Cons") }}
    }
    
    our const "@cr" shouldBeA[ConstNull] { _.ty shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf(64) }}
    our const "@cir" shouldBeA[ConstNull] { _.ty shouldBeA[TypeIRef] { _.ty shouldBeA[TypeFloat] thatsIt }}
    our const "@cwr" shouldBeA[ConstNull] { _.ty shouldBeA[TypeWeakRef] { _.ty shouldBe (our ty "@Cons") }}
    our const "@cfu" shouldBeA[ConstNull] { _.ty shouldBeA[TypeFunc] { _.sig shouldBeA[FuncSig] { its =>
      its.retTy shouldBeA[TypeVoid] thatsIt
      its.paramTy shouldBe empty
    }}}
    our const "@cth" shouldBeA[ConstNull] { _.ty shouldBeA[TypeThread] thatsIt }
    our const "@cst" shouldBeA[ConstNull] { _.ty shouldBeA[TypeStack] thatsIt }
    
    our globalData "@gi64" shouldBeA[GlobalData] { _.ty shouldBeATypeIntOf(64) }

    our func "@fdummy" shouldBeA[Function] { _.sig shouldBeA[FuncSig] { its =>
      its.retTy shouldBeA[TypeVoid] thatsIt
      its.paramTy shouldBe empty
    }}
  }
  def validateFunctions(bundle: Bundle) {
    val our = bundle
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    our sig "@foo" shouldBeA[FuncSig] { its =>
      its.retTy shouldBeA[TypeVoid] thatsIt
      its.paramTy shouldBe empty
    }
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    our sig "@bar" shouldBeA[FuncSig] { its =>
      its.retTy shouldBeATypeIntOf 64
      its paramTy 0 shouldBeATypeIntOf 32
      its paramTy 1 shouldBeATypeIntOf 16
    }
    
    our sig "@baz" shouldBeA[FuncSig] { its =>
      its.retTy shouldBeATypeIntOf 32
      its paramTy 0 shouldBeATypeIntOf 32
      its paramTy 1 shouldBeA[TypeIRef] { _.ty shouldBeA[TypeIRef] {
        _.ty shouldBeATypeIntOf 8
      }}
    }
    
    our sig "@sig_fs" shouldBeA[FuncSig] { its =>
      its.retTy shouldBeA[TypeVoid] thatsIt
      its paramTy 0 shouldBeATypeIntOf 32
    }
    
    our ty "@sig_t" shouldBeA[TypeFunc] { _.sig shouldBe (our sig "@sig_fs") }

    our func "@signal" shouldBeA[Function] { its =>
      its.cfg shouldBe None
      its.sig shouldBeA[FuncSig] { whose =>
        whose.retTy shouldBe (our ty "@sig_t")
        whose paramTy 0 shouldBeATypeIntOf 32
        whose paramTy 1 shouldBe (our ty "@sig_t")
      }
    }
    
    our const "@zero" shouldBeA[ConstInt] { its =>
      its.constTy shouldBeATypeIntOf 32
      its.num shouldBe 0
    }
    
    our func "@main" shouldBeA[Function] { theFunc =>
      val its = theFunc
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      its.sig shouldBe (our sig "@baz")
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      its.cfg shouldNot be(None)
      its.cfg.get.func shouldBe theFunc
      its.cfg.get.params(0).name shouldBe Some("%argc")
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      its.cfg.get.params(0).sig shouldBe its.sig
      its.cfg.get.params(0).index shouldBe 0
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      its.cfg.get.params(1).name shouldBe Some("%argv")
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      its.cfg.get.params(1).sig shouldBe its.sig
      its.cfg.get.params(1).index shouldBe 1
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      its.cfg.get.entry.name shouldBe Some("%entry")
      its.cfg.get.bbs.size shouldBe 1
      
    }
    
    our func "@implicitentry" shouldBeA[Function] { its =>
      its.cfg shouldNot be(None)
      its.sig shouldBe (our sig "@foo")
      its.cfg.get.params shouldBe empty
      its.cfg.get.entry.name shouldBe None
      its.cfg.get.bbs.size shouldBe 1
    }
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  }
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  def in(func: Function)(f: (Function, CFG) => Unit) {
    val cfg = func.cfg.get
    f(func, cfg)
  }
  
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  def validateInstructions(bundle: Bundle) {
    val our = bundle
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    in (our func "@intBinOpTest") { (func, cfg) =>
      val my = cfg
      
      my inst "%add"  shouldBeA[InstBinOp] { _.op shouldBe BinOptr.ADD }
      my inst "%sub"  shouldBeA[InstBinOp] { _.op shouldBe BinOptr.SUB }
      my inst "%mul"  shouldBeA[InstBinOp] { _.op shouldBe BinOptr.MUL }
      my inst "%udiv" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.UDIV}
      my inst "%sdiv" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.SDIV}
      my inst "%urem" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.UREM}
      my inst "%srem" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.SREM}
      my inst "%shl"  shouldBeA[InstBinOp] { _.op shouldBe BinOptr.SHL }
      my inst "%lshr" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.LSHR}
      my inst "%ashr" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.ASHR}
      my inst "%and"  shouldBeA[InstBinOp] { _.op shouldBe BinOptr.AND }
      my inst "%or"   shouldBeA[InstBinOp] { _.op shouldBe BinOptr.OR  }
      my inst "%xor"  shouldBeA[InstBinOp] { _.op shouldBe BinOptr.XOR }
      
      for (i <- my.inst.all; if i.isInstanceOf[InstBinOp]) {
        i.asInstanceOf[InstBinOp].opndTy shouldBeATypeIntOf 32
        i.asInstanceOf[InstBinOp].op1 shouldBe (my param "%p0")
        i.asInstanceOf[InstBinOp].op2 shouldBe (my param "%p1")
        i.asInstanceOf[InstBinOp].ty shouldBeATypeIntOf 32
      }
    }   
 
    in (our func "@fpBinOpTest") { (func, cfg) =>
      val my = cfg
      
      my inst "%fadd" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.FADD }
      my inst "%fsub" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.FSUB }
      my inst "%fmul" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.FMUL }
      my inst "%fdiv" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.FDIV }
      my inst "%frem" shouldBeA[InstBinOp] { _.op shouldBe BinOptr.FREM }
      
      for (i <- my.inst.all; if i.isInstanceOf[InstBinOp]) {
        i.asInstanceOf[InstBinOp].opndTy shouldBeA[TypeDouble] thatsIt
        i.asInstanceOf[InstBinOp].op1 shouldBe (my param "%p0")
        i.asInstanceOf[InstBinOp].op2 shouldBe (my param "%p1")
        i.asInstanceOf[InstBinOp].ty shouldBeA[TypeDouble] thatsIt
      }
    }   
    
    in (our func "@intCmpTest") { (func, cfg) =>
      val my = cfg
      
      my inst "%eq"  shouldBeA[InstCmp] { _.op shouldBe CmpOptr.EQ  }
      my inst "%ne"  shouldBeA[InstCmp] { _.op shouldBe CmpOptr.NE  }
      my inst "%ult" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.ULT }
      my inst "%ule" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.ULE }
      my inst "%ugt" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.UGT }
      my inst "%uge" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.UGE }
      my inst "%slt" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.SLT }
      my inst "%sle" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.SLE }
      my inst "%sgt" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.SGT }
      my inst "%sge" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.SGE }
      
      for (i <- my.inst.all; if i.isInstanceOf[InstCmp]) {
        i.asInstanceOf[InstCmp].opndTy shouldBeATypeIntOf 64
        i.asInstanceOf[InstCmp].op1 shouldBe (my param "%p0")
        i.asInstanceOf[InstCmp].op2 shouldBe (my param "%p1")
        i.asInstanceOf[InstCmp].ty shouldBeATypeIntOf 1
      }
    }   
    
    in (our func "@fpCmpTest") { (func, cfg) =>
      val my = cfg
      
      my inst "%ftrue"  shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FTRUE }
      my inst "%ffalse" shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FFALSE }
      my inst "%ford"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FORD }
      my inst "%foeq"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FOEQ }
      my inst "%fone"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FONE }
      my inst "%folt"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FOLT }
      my inst "%fole"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FOLE }
      my inst "%fogt"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FOGT }
      my inst "%foge"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FOGE }
      my inst "%funo"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FUNO }
      my inst "%fueq"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FUEQ }
      my inst "%fune"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FUNE }
      my inst "%fult"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FULT }
      my inst "%fule"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FULE }
      my inst "%fugt"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FUGT }
      my inst "%fuge"   shouldBeA[InstCmp] { _.op shouldBe CmpOptr.FUGE }
      
      for (i <- my.inst.all; if i.isInstanceOf[InstCmp]) {
        i.asInstanceOf[InstCmp].opndTy shouldBeA[TypeFloat] thatsIt
        i.asInstanceOf[InstCmp].op1 shouldBe (my param "%p0")
        i.asInstanceOf[InstCmp].op2 shouldBe (my param "%p1")
        i.asInstanceOf[InstCmp].ty shouldBeATypeIntOf 1
      }
    }
    
    in (our func "@convTest") { (func, cfg) =>
      val my = cfg
      
      my inst "%trunc" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.TRUNC
        its.fromTy shouldBeATypeIntOf 64
        its.toTy   shouldBeATypeIntOf 32
        its.opnd   shouldBe (my param "%p1")
        its.ty     shouldBeATypeIntOf 32
      }
      my inst "%zext" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.ZEXT 
        its.fromTy shouldBeATypeIntOf 32
        its.toTy   shouldBeATypeIntOf 64
        its.opnd   shouldBe (my param "%p0")
        its.ty     shouldBeATypeIntOf 64
      }
      my inst "%sext" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.SEXT
        its.fromTy shouldBeATypeIntOf 32
        its.toTy   shouldBeATypeIntOf 64
        its.opnd   shouldBe (my param "%p0")
        its.ty     shouldBeATypeIntOf 64
      }
      my inst "%fptrunc" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.FPTRUNC
        its.fromTy shouldBeA[TypeDouble] thatsIt
        its.toTy   shouldBeA[TypeFloat] thatsIt
        its.opnd   shouldBe (my param "%p3")
        its.ty     shouldBeA[TypeFloat] thatsIt
      }
      my inst "%fpext" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.FPEXT 
        its.fromTy shouldBeA[TypeFloat] thatsIt
        its.toTy   shouldBeA[TypeDouble] thatsIt
        its.opnd   shouldBe (my param "%p2")
        its.ty     shouldBeA[TypeDouble] thatsIt
      }
      my inst "%fptoui" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.FPTOUI
        its.fromTy shouldBeA[TypeDouble] thatsIt
        its.toTy   shouldBeATypeIntOf 64
        its.opnd   shouldBe (my param "%p3")
        its.ty     shouldBeATypeIntOf 64
      }
      my inst "%fptosi" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.FPTOSI
        its.fromTy shouldBeA[TypeDouble] thatsIt
        its.toTy   shouldBeATypeIntOf 64
        its.opnd   shouldBe (my param "%p3")
        its.ty     shouldBeATypeIntOf 64
      }
      my inst "%uitofp" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.UITOFP
        its.fromTy shouldBeATypeIntOf 64
        its.toTy   shouldBeA[TypeDouble] thatsIt
        its.opnd   shouldBe (my param "%p1")
        its.ty     shouldBeA[TypeDouble] thatsIt
      }
      my inst "%sitofp" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.SITOFP 
        its.fromTy shouldBeATypeIntOf 64
        its.toTy   shouldBeA[TypeDouble] thatsIt
        its.opnd   shouldBe (my param "%p1")
        its.ty     shouldBeA[TypeDouble] thatsIt
      }
      my inst "%bitcast0" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.BITCAST 
        its.fromTy shouldBeATypeIntOf 32
        its.toTy   shouldBeA[TypeFloat] thatsIt
        its.opnd   shouldBe (my param "%p0")
        its.ty     shouldBeA[TypeFloat] thatsIt
      }
      my inst "%bitcast1" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.BITCAST 
        its.fromTy shouldBeATypeIntOf 64
        its.toTy   shouldBeA[TypeDouble] thatsIt
        its.opnd   shouldBe (my param "%p1")
        its.ty     shouldBeA[TypeDouble] thatsIt
      }
      my inst "%bitcast2" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.BITCAST 
        its.fromTy shouldBeA[TypeFloat] thatsIt
        its.toTy   shouldBeATypeIntOf 32
        its.opnd   shouldBe (my param "%p2")
        its.ty     shouldBeATypeIntOf 32
      }
      my inst "%bitcast3" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.BITCAST 
        its.fromTy shouldBeA[TypeDouble] thatsIt
        its.toTy   shouldBeATypeIntOf 64
        its.opnd   shouldBe (my param "%p3")
        its.ty     shouldBeATypeIntOf 64
      }
    }
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    in (our func "@refCastTest") { (func, cfg) =>
      val my = cfg
      
      my inst "%refcast" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.REFCAST
        its.fromTy shouldBeA[TypeRef] { _.ty shouldBeA[TypeVoid] thatsIt }
        its.toTy   shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf 32 }
        its.opnd   shouldBe (my param "%p0")
        its.ty     shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf 32 }
      }
      my inst "%irefcast" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.IREFCAST
        its.fromTy shouldBeA[TypeIRef] { _.ty shouldBeA[TypeVoid] thatsIt }
        its.toTy   shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 64 }
        its.opnd   shouldBe (my param "%p1")
        its.ty     shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 64 }
      }
      my inst "%funccast" shouldBeA[InstConv] { its => 
        its.op     shouldBe ConvOptr.FUNCCAST
        its.fromTy shouldBeA[TypeFunc] { _.sig shouldBeA[FuncSig] { its =>
          its.retTy shouldBeA[TypeVoid] thatsIt
          its.paramTy shouldBe empty
        }}
        its.toTy   shouldBeA[TypeFunc] { _.sig shouldBe (our sig "@iiisig") }
        its.opnd   shouldBe (my param "%p2")
        its.ty     shouldBeA[TypeFunc] { _.sig shouldBe (our sig "@iiisig") }
      }
    }
    
    in (our func "@ctrlFlow") { (func, cfg) =>
      val my = cfg
      
      my inst "%br1" shouldBeA[InstBranch] { _.dest shouldBe (my bb "%head") }
      my inst "%br3" shouldBeA[InstBranch] { _.dest shouldBe (my bb "%next") }
      my inst "%br4" shouldBeA[InstBranch] { _.dest shouldBe (my bb "%next") }
      my inst "%br5" shouldBeA[InstBranch] { _.dest shouldBe (my bb "%next") }
      my inst "%br6" shouldBeA[InstBranch] { _.dest shouldBe (my bb "%head") }
      
      my inst "%br2" shouldBeA[InstBranch2] { its =>
        its.cond shouldBe (my inst "%zero")
        its.ifTrue shouldBe (my bb "%body")
        its.ifFalse shouldBe (my bb "%exit")
      }
      
      my inst "%switch" shouldBeA[InstSwitch] { its =>
        its.opndTy shouldBeATypeIntOf 32
        its.opnd shouldBe (my inst "%phi")
        its.defDest shouldBe (my bb "%other")
        for ((c, b) <- its.cases) {
          c shouldBeA[ConstInt] { _.num.longValue match {
            case 1 => b shouldBe (my bb "%one")
            case 2 => b shouldBe (my bb "%two")
          }}
        }
      }
      
      my inst "%phi" shouldBeA[InstPhi] { its =>
        its.opndTy shouldBeATypeIntOf 32
        for ((b, c) <- its.cases) {
          if (b == (my bb "%entry")) { c shouldBeAConstIntOf(32, 0) }
          if (b == (my bb "%next")) { c shouldBe (my inst "%i2") }
        }
      }
      
      (my inst "%br1").ty    shouldBeA[TypeVoid] thatsIt
      (my inst "%br2").ty    shouldBeA[TypeVoid] thatsIt
      (my inst "%switch").ty shouldBeA[TypeVoid] thatsIt
      (my inst "%phi").ty    shouldBeATypeIntOf 32
    }
  
    in (our func "@caller1") { (func, cfg) =>
      val my = cfg
      
      my inst "%v1" shouldBeA[InstCall] { its =>
        its.sig.retTy shouldBeA[TypeVoid] thatsIt
        its.sig.paramTy shouldBe empty
        its.callee shouldBe (our globalValue "@callee1")
        its.args shouldBe empty
        its.ty shouldBeA[TypeVoid] thatsIt
      }
      
      my inst "%v2" shouldBeA[InstCall] { its =>
        its.sig shouldBe (our sig "@iiisig")
        its.callee shouldBe (our globalValue "@callee2")
        its.args(0) shouldBeAConstIntOf(64, 1)
        its.args(1) shouldBeAConstIntOf(64, 2)
        its.args.size shouldBe 2
        its.ty shouldBeATypeIntOf 64
      }
      
      my inst "%v4" shouldBeA[InstCall] { its =>
        its.sig.retTy shouldBeA[TypeVoid] thatsIt
        its.sig.paramTy shouldBe empty
        its.callee shouldBe (our globalValue "@callee1")
        its.args shouldBe empty
        its.keepAlives(0) shouldBe (my inst "%v2")
        its.keepAlives(1) shouldBe (my inst "%v3")
        its.keepAlives.size shouldBe 2
        its.ty shouldBeA[TypeVoid] thatsIt
      }
      
      my inst "%v3" shouldBeA[InstInvoke] { its =>
        its.sig shouldBe (our sig "@iiisig")
        its.callee shouldBe (our globalValue "@callee3")
        its.args(0) shouldBeAConstIntOf(64, 3)
        its.args(1) shouldBeAConstIntOf(64, 4)
        its.args.size shouldBe 2
        its.nor shouldBe (my bb "%cont")
        its.exc shouldBe (my bb "%catch")
        its.ty shouldBeATypeIntOf 64
      }      

      my inst "%v5" shouldBeA[InstInvoke] { its =>
        its.sig shouldBe (our sig "@iiisig")
        its.callee shouldBe (our globalValue "@callee3")
        its.args(0) shouldBe (my inst "%v3")
        its.args(1) shouldBe (my inst "%v3")
        its.args.size shouldBe 2
        its.nor shouldBe (my bb "%cont2")
        its.exc shouldBe (my bb "%catch")
        its.keepAlives(0) shouldBe (my inst "%v2")
        its.keepAlives.size shouldBe 1
        its.ty shouldBeATypeIntOf 64
      }  
      
      my inst "%retv" shouldBeA[InstRetVoid] { _.ty shouldBeA[TypeVoid] thatsIt }
      my inst "%exc" shouldBeA[InstLandingpad] { _.ty shouldBeA[TypeRef] {
        _.ty shouldBeA[TypeVoid] thatsIt
      }}
    }
    
    in (our func "@caller2") { (func, cfg) =>
      val my = cfg
      
      my inst "%tc" shouldBeA[InstTailCall] { its =>
        its.sig shouldBe (our sig "@iiisig")
        its.callee shouldBe (our globalValue "@callee2")
        its.args(0) shouldBe (my inst "%p0")
        its.args(1) shouldBe (my inst "%p1")
        its.args.size shouldBe 2
        its.ty shouldBeA[TypeVoid] thatsIt
      }
    }
 
    in (our func "@callee2") { (func, cfg) =>
      val my = cfg
      
      my inst "%ret" shouldBeA[InstRet] { its =>
        its.retTy shouldBeATypeIntOf 64
        its.retVal shouldBe (my inst "%rv")
        its.ty shouldBeA[TypeVoid] thatsIt
      }
    }     
   
 
    in (our func "@callee3") { (func, cfg) =>
      val my = cfg
      
      my inst "%throw" shouldBeA[InstThrow] { its =>
        its.excVal shouldBe (my inst "%exc")
        its.ty shouldBeA[TypeVoid] thatsIt
      }
    }
    
    in (our func "@aggregate") { (func, cfg) =>
      val my = cfg
      
      my inst "%e0" shouldBeA[InstExtractValue] { its =>
        its.strTy shouldBe (our ty "@sid")
        its.index shouldBe 0
        its.opnd shouldBe (our const "@sid1")
        its.ty shouldBeATypeIntOf 64
      }
      
      my inst "%e1" shouldBeA[InstExtractValue] { its =>
        its.strTy shouldBe (our ty "@sid")
        its.index shouldBe 1
        its.opnd shouldBe (our const "@sid1")
        its.ty shouldBeA[TypeDouble] thatsIt
      }
      
      my inst "%i0" shouldBeA[InstInsertValue] { its =>
        its.strTy shouldBe (our ty "@sid")
        its.index shouldBe 0
        its.opnd shouldBe (our const "@sid1")
        its.newVal shouldBeAConstIntOf(64, 40)
        its.ty shouldBe (our ty "@sid")
      }
      
      my inst "%i1" shouldBeA[InstInsertValue] { its =>
        its.strTy shouldBe (our ty "@sid")
        its.index shouldBe 1
        its.opnd shouldBe (our const "@sid1")
        its.newVal shouldBeAConstDoubleOf 40.0d
        its.ty shouldBe (our ty "@sid")
      }
    }
    
    in (our func "@memops") { (func, cfg) =>
      val my = cfg
      
      my inst "%new" shouldBeA[InstNew] { its =>
        its.allocTy shouldBeATypeIntOf 64
        its.ty shouldBeA[TypeRef] { _.ty shouldBeATypeIntOf 64 }
      }
      
      my inst "%newhybrid" shouldBeA[InstNewHybrid] { its =>
        its.allocTy shouldBe (our ty "@hic")
        its.length shouldBe (my param "%p0")
        its.ty shouldBeA[TypeRef] { _.ty shouldBe (our ty "@hic") }
      }
      
      my inst "%alloca" shouldBeA[InstAlloca] { its =>
        its.allocTy shouldBeATypeIntOf 64
        its.ty shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 64 }
      }
      
      my inst "%allocahybrid" shouldBeA[InstAllocaHybrid] { its =>
        its.allocTy shouldBe (our ty "@hic")
        its.length shouldBe (my param "%p0")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBe (our ty "@hic") }
      }

      my inst "%new2" shouldBeA[InstNew] { its =>
        its.allocTy shouldBe (our ty "@sid")
        its.ty shouldBeA[TypeRef] { _.ty shouldBe (our ty "@sid") }
      }
      
      my inst "%alloca2" shouldBeA[InstAlloca] { its =>
        its.allocTy shouldBe (our ty "@al")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBe (our ty "@al") }
      }
      
      my inst "%getiref" shouldBeA[InstGetIRef] { its =>
        its.referentTy shouldBe (our ty "@sid")
        its.opnd shouldBe (my inst "%new2")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBe (our ty "@sid") }
      }
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      my inst "%getfieldiref" shouldBeA[InstGetFieldIRef] { its =>
        its.referentTy shouldBe (our ty "@sid")
        its.index shouldBe 0
        its.opnd shouldBe (my inst "%getiref")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 64 }
      }
      
      my inst "%getelemiref" shouldBeA[InstGetElemIRef] { its =>
        its.referentTy shouldBe (our ty "@al")
        its.opnd shouldBe (my inst "%alloca2")
        its.index shouldBe (my param "%p1")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 64 }
      }
      
      my inst "%shiftiref" shouldBeA[InstShiftIRef] { its =>
        its.referentTy shouldBeATypeIntOf 8
        its.opnd shouldBe (my inst "%getvarpartiref")
        its.offset shouldBe (my param "%p1")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 8 }
      }

      my inst "%getfixedpartiref" shouldBeA[InstGetFixedPartIRef] { its =>
        its.referentTy shouldBe (our ty "@hic")
        its.opnd shouldBe (my inst "%allocahybrid")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 64 }
      }
      
      my inst "%getvarpartiref" shouldBeA[InstGetVarPartIRef] { its =>
        its.referentTy shouldBe (our ty "@hic")
        its.opnd shouldBe (my inst "%allocahybrid")
        its.ty shouldBeA[TypeIRef] { _.ty shouldBeATypeIntOf 8 }
      }
      
      my inst "%load" shouldBeA[InstLoad] { its =>
        its.ord shouldBe MemoryOrdering.NOT_ATOMIC
        its.referentTy shouldBeATypeIntOf 64
        its.loc shouldBe (my inst "%alloca")
        its.ty shouldBeATypeIntOf 64
      }
      
      my inst "%store" shouldBeA[InstStore] { its =>
        its.ord shouldBe MemoryOrdering.NOT_ATOMIC
        its.referentTy shouldBeATypeIntOf 64
        its.loc shouldBe (my inst "%alloca")
        its.newVal shouldBeAConstIntOf(64, 42)
        its.ty shouldBeA[TypeVoid] thatsIt
      }
      
      my inst "%cmpxchg" shouldBeA[InstCmpXchg] { its =>
        its.ordSucc shouldBe MemoryOrdering.ACQUIRE
        its.ordFail shouldBe MemoryOrdering.MONOTONIC
        its.referentTy shouldBeATypeIntOf 64
        its.loc shouldBe (my inst "%alloca")
        its.expected shouldBeAConstIntOf(64, 42)
        its.desired shouldBeAConstIntOf(64, 0)
        its.ty shouldBeATypeIntOf 64
      }
    
      my inst "%atomicrmw" shouldBeA[InstAtomicRMW] { its =>
        its.ord shouldBe MemoryOrdering.ACQ_REL
        its.op shouldBe AtomicRMWOptr.ADD
        its.referentTy shouldBeATypeIntOf 64
        its.loc shouldBe (my inst "%alloca")
        its.opnd shouldBeAConstIntOf(64, 50)
        its.ty shouldBeATypeIntOf 64
      }
   
      my inst "%fence" shouldBeA[InstFence] { its =>
        its.ord shouldBe (MemoryOrdering.MONOTONIC)
        its.ty shouldBeA[TypeVoid] thatsIt
      }
    }
    
    in (our func "@memorder") { (func, cfg) =>
      val my = cfg
      
      my inst "%l0" shouldBeA[InstLoad] { _.ord = MemoryOrdering.NOT_ATOMIC }
      my inst "%l1" shouldBeA[InstLoad] { _.ord = MemoryOrdering.UNORDERED }
      my inst "%l2" shouldBeA[InstLoad] { _.ord = MemoryOrdering.MONOTONIC }
      my inst "%f3" shouldBeA[InstFence] { _.ord = MemoryOrdering.ACQUIRE }
      my inst "%f4" shouldBeA[InstFence] { _.ord = MemoryOrdering.RELEASE }
      my inst "%f5" shouldBeA[InstFence] { _.ord = MemoryOrdering.ACQ_REL }
      my inst "%l6" shouldBeA[InstLoad] { _.ord = MemoryOrdering.SEQ_CST }
    }
    
    in (our func "@atomicrmwops") { (func, cfg) =>
      val my = cfg
      
      my inst "%old0" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.XCHG }
      my inst "%old1" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.ADD }
      my inst "%old2" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.SUB }
      my inst "%old3" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.AND }
      my inst "%old4" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.NAND }
      my inst "%old5" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.OR }
      my inst "%old6" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.XOR }
      my inst "%old7" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.MAX }
      my inst "%old8" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.MIN }
      my inst "%old9" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.UMAX }
      my inst "%olda" shouldBeA[InstAtomicRMW] { _.op = AtomicRMWOptr.UMIN }
    }
    
    
    in (our func "@traps") { (func, cfg) =>
      val my = cfg
      
      my inst "%tp" shouldBeA[InstTrap] { its =>
        its.retTy shouldBeATypeIntOf 32
        its.nor shouldBe (my bb "%trapcont")
        its.exc shouldBe (my bb "%trapexc")
        its.keepAlives shouldBe Seq(my inst "%b", my inst "%wp")
      }
      
      my inst "%wp" shouldBeA[InstWatchpoint] { its =>
        its.wpID shouldBe 1
        its.retTy shouldBeATypeIntOf 64
        its.dis shouldBe (my bb "%body")
        its.nor shouldBe (my bb "%wpcont")
        its.exc shouldBe (my bb "%wpexc")
        its.keepAlives shouldBe Seq(my inst "%a")
      }
    }
    
    in (our func "@ccall") { (func, cfg) =>
      val my = cfg
      
      my inst "%rv" shouldBeA[InstCCall] { its =>
        its.callConv shouldBe CallConv.DEFAULT
        its.sig.retTy shouldBeA[TypeVoid] thatsIt
        its.sig.paramTy(0) shouldBeA[TypeDouble] thatsIt
        its.sig.paramTy.size shouldBe 1
        its.callee shouldBe (my param "%p0")
        its.args.size shouldBe 1
        its.args(0) shouldBeAConstDoubleOf(3.14d)
      }
    }
    
    in (our func "@stack_and_intrinsic") { (func, cfg) =>
      val my = cfg
      
      my inst "%ns" shouldBeA[InstNewStack] { its =>
        its.sig shouldBe (our sig "@iiisig")
        its.callee shouldBe (our const "@callee2")
        its.args.size shouldBe 2
        its.args(0) shouldBeAConstIntOf(64, 5)
        its.args(1) shouldBeAConstIntOf(64, 6)
      }
      
      my inst "%i" shouldBeA[InstICall] { its =>
        its.iFunc shouldBe IFuncs.UVM_SWAP_STACK
        its.args.size shouldBe 1
        its.args(0) shouldBe (my inst "%ns")
        its.keepAlives.size shouldBe 1
        its.keepAlives(0) shouldBe (my inst "%b")
      }

      my inst "%j" shouldBeA[InstIInvoke] { its =>
        its.iFunc shouldBe IFuncs.UVM_KILL_STACK
        its.args.size shouldBe 1
        its.args(0) shouldBe (my inst "%ns")
        its.nor shouldBe (my bb "%nor")
        its.exc shouldBe (my bb "%exc")
        its.keepAlives.size shouldBe 2
        its.keepAlives(0) shouldBe (my inst "%b")
        its.keepAlives(1) shouldBe (my inst "%c")
      }
    }
    in (our func "@inference") { (func, cfg) =>
      val my = cfg

      my inst "%add" shouldBeA[InstBinOp] { its =>
        its.op1 shouldBeAConstIntOf(8, 41)
        its.op2 shouldBeAConstIntOf(8, 42)
      }
      my inst "%sub" shouldBeA[InstBinOp] { its =>
        its.op1 shouldBeAConstIntOf(16, 43)
        its.op2 shouldBeAConstIntOf(16, 44)
      }
      my inst "%mul" shouldBeA[InstBinOp] { its =>
        its.op1 shouldBeAConstIntOf(32, 45)
        its.op2 shouldBeAConstIntOf(32, 46)
      }
      my inst "%udiv" shouldBeA[InstBinOp] { its =>
        its.op1 shouldBeAConstIntOf(64, 47)
        its.op2 shouldBeAConstIntOf(64, 48)
      }
      my inst "%fadd" shouldBeA[InstBinOp] { its =>
        its.op1 shouldBeAConstFloatOf(49.0f)
        its.op2 shouldBeAConstFloatOf(50.0f)
      }
      my inst "%fsub" shouldBeA[InstBinOp] { its =>
        its.op1 shouldBeAConstDoubleOf(51.0d)
        its.op2 shouldBeAConstDoubleOf(52.0d)
      }
      
      my inst "%eq" shouldBeA[InstCmp] { its =>
        its.op1 shouldBeAConstIntOf(64, 53)
        its.op2 shouldBeAConstIntOf(64, 54)
      }
      my inst "%fueq" shouldBeA[InstCmp] { its =>
        its.op1 shouldBeAConstDoubleOf(55.0d)
        its.op2 shouldBeAConstDoubleOf(56.0d)
      }
      
      my inst "%trunc" shouldBeA[InstConv] { its =>
        its.opnd shouldBeAConstIntOf(64, 57)
      }
      my inst "%fptrunc" shouldBeA[InstConv] { its =>
        its.opnd shouldBeAConstDoubleOf(58.0d)
      }
      
      my inst "%refcast" shouldBeA[InstConv] { its =>
        its.opnd shouldBeA[ConstNull] { _.constTy shouldBeA[TypeRef] {
          _.ty shouldBeA[TypeVoid] thatsIt
        }}
      }
      my inst "%irefcast" shouldBeA[InstConv] { its =>
        its.opnd shouldBeA[ConstNull] { _.constTy shouldBeA[TypeIRef] {
          _.ty shouldBeA[TypeVoid] thatsIt
        }}
      }
      
      my inst "%select" shouldBeA[InstSelect] { its =>
        its.ifTrue shouldBeAConstDoubleOf(59.0d)
        its.ifFalse shouldBeAConstDoubleOf(60.0d)
      }
      
      my inst "%switch" shouldBeA[InstSwitch] { its =>
        its.opnd shouldBeAConstIntOf(32, 61)
        its.cases(0)._1 shouldBeAConstIntOf(32, 62)
      }
      
      my inst "%phi" shouldBeA[InstPhi] { its =>
        its.cases(0)._2 shouldBeAConstIntOf(32, 63)
      }
      
      my inst "%call" shouldBeA[InstCall] { its =>
        its.args(0) shouldBeAConstIntOf(8, 64)
        its.args(1) shouldBeAConstIntOf(16, 65)
        its.args(2) shouldBeAConstIntOf(32, 66)
        its.args(3) shouldBeAConstIntOf(64, 67)
        its.args(4) shouldBeAConstFloatOf(68.0f)
        its.args(5) shouldBeAConstDoubleOf(69.0d)
      }
      
      my inst "%invoke" shouldBeA[InstInvoke] { its =>
        its.args(0) shouldBeAConstIntOf(8, 70)
        its.args(1) shouldBeAConstIntOf(16, 71)
        its.args(2) shouldBeAConstIntOf(32, 72)
        its.args(3) shouldBeAConstIntOf(64, 73)
        its.args(4) shouldBeAConstFloatOf(74.0f)
        its.args(5) shouldBeAConstDoubleOf(75.0d)
      }
      
      my inst "%tailcall" shouldBeA[InstTailCall] { its =>
        its.args(0) shouldBeAConstIntOf(8, 76)
        its.args(1) shouldBeAConstIntOf(16, 77)
        its.args(2) shouldBeAConstIntOf(32, 78)
        its.args(3) shouldBeAConstIntOf(64, 79)
        its.args(4) shouldBeAConstFloatOf(80.0f)
        its.args(5) shouldBeAConstDoubleOf(81.0d)
      }
      
      my inst "%extractvalue" shouldBeA[InstExtractValue] { its =>
        its.opnd shouldBeA[ConstStruct] { s =>
          s.fields(0) shouldBeAConstIntOf(8, 82)
          s.fields(1) shouldBeAConstIntOf(16, 83)
          s.fields(2) shouldBeAConstIntOf(32, 84)
          s.fields(3) shouldBeAConstIntOf(64, 85)
          s.fields(4) shouldBeAConstFloatOf(86.0f)
          s.fields(5) shouldBeAConstDoubleOf(87.0d)
        }
      }
      
      my inst "%insertvalue" shouldBeA[InstInsertValue] { its =>
        its.opnd shouldBeA[ConstStruct] { s =>
          s.fields(0) shouldBeAConstIntOf(8, 88)
          s.fields(1) shouldBeAConstIntOf(16, 89)
          s.fields(2) shouldBeAConstIntOf(32, 90)
          s.fields(3) shouldBeAConstIntOf(64, 91)
          s.fields(4) shouldBeAConstFloatOf(92.0f)
          s.fields(5) shouldBeAConstDoubleOf(93.0d)
        }
        its.newVal shouldBeAConstIntOf(8, 94)
      }
      
      my inst "%store" shouldBeA[InstStore] { its =>
        its.newVal shouldBeAConstIntOf(32, 99)
      }
      my inst "%cmpxchg" shouldBeA[InstCmpXchg] { its =>
        its.expected shouldBeAConstIntOf(32, 100)
        its.desired shouldBeAConstIntOf(32, 101)
      }
      my inst "%atomicrmw" shouldBeA[InstAtomicRMW] { its =>
        its.opnd shouldBeAConstIntOf(32, 102)
      }
      
      my inst "%ccall" shouldBeA[InstCCall] { its =>
        its.args(0) shouldBeAConstIntOf(8, 103)
        its.args(1) shouldBeAConstIntOf(16, 104)
        its.args(2) shouldBeAConstIntOf(32, 105)
        its.args(3) shouldBeAConstIntOf(64, 106)
        its.args(4) shouldBeAConstFloatOf(107.0f)
        its.args(5) shouldBeAConstDoubleOf(108.0d)
      }
      
      my inst "%newstack" shouldBeA[InstNewStack] { its =>
        its.args(0) shouldBeAConstIntOf(8, 109)
        its.args(1) shouldBeAConstIntOf(16, 110)
        its.args(2) shouldBeAConstIntOf(32, 111)
        its.args(3) shouldBeAConstIntOf(64, 112)
        its.args(4) shouldBeAConstFloatOf(113.0f)
        its.args(5) shouldBeAConstDoubleOf(114.0d)
      }
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    }
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  }
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  def validateRedef(globalBundle: Bundle, bundle: Bundle) {
    val ourOld = globalBundle
    val ourNew = bundle
    
    in (ourOld func "@meaning_of_life") { (func, cfg) =>
      val my = cfg
      
      my inst "%ret" shouldBeA[InstRet] { _.retVal shouldBeAConstIntOf(64, 42) }
    }
    
    (ourOld func "@foxsay").cfg shouldBe None
    
    (ourNew func "@meaning_of_life").id shouldEqual (ourOld func "@meaning_of_life").id
    (ourNew func "@foxsay").id shouldEqual (ourOld func "@foxsay").id
    
    in (ourNew func "@meaning_of_life") { (func, cfg) =>
      val my = cfg
      
      my inst "%ret" shouldBeA[InstRet] { its =>
        its.retTy shouldBe (ourOld ty "@i64")
        its.retVal shouldBeAConstIntOf(64, 43)
      }
    }
    
    (ourNew func "@foxsay").cfg shouldNot be(None)
    
    in (ourNew func "@foxsay") { (func, cfg) =>
      val my = cfg
      
      my inst "%ret" shouldBeA[InstRet] { _.retVal shouldBeAConstIntOf(64, 99) }
    }
  }
  
  def validateRedefAfterMerge(globalBundle: Bundle, bundle: Bundle) {
    val ourGlobal = globalBundle
    val ourNew = bundle
    
    (ourGlobal func "@foxsay").cfg shouldBe (ourNew func "@foxsay").cfg
    (ourGlobal func "@meaning_of_life").cfg shouldBe (ourNew func "@meaning_of_life").cfg
  }
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}