go.tools/ssa: unexport Register.
R=gri CC=golang-dev https://golang.org/cl/14672043
This commit is contained in:
Alan Donovan
parent
1e6b0db4b9
commit
1ff3452afa
76
ssa/ssa.go
76
ssa/ssa.go
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@ -443,7 +443,7 @@ type Builtin struct {
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// t1 = new int
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//
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type Alloc struct {
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Register
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register
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Comment string
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Heap bool
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index int // dense numbering; for lifting
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@ -462,7 +462,7 @@ type Alloc struct {
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// t2 = phi [0.start: t0, 1.if.then: t1, ...]
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//
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type Phi struct {
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Register
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register
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Comment string // a hint as to its purpose
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Edges []Value // Edges[i] is value for Block().Preds[i]
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}
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@ -483,7 +483,7 @@ type Phi struct {
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// t7 = invoke t5.Println(...t6)
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//
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type Call struct {
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Register
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register
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Call CallCommon
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}
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@ -495,7 +495,7 @@ type Call struct {
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// t1 = t0 + 1:int
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//
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type BinOp struct {
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Register
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register
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// One of:
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// ADD SUB MUL QUO REM + - * / %
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// AND OR XOR SHL SHR AND_NOT & | ^ << >> &~
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@ -522,7 +522,7 @@ type BinOp struct {
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// t2 = <-t1,ok
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//
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type UnOp struct {
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Register
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register
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Op token.Token // One of: NOT SUB ARROW MUL XOR ! - <- * ^
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X Value
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CommaOk bool
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@ -548,7 +548,7 @@ type UnOp struct {
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// t1 = changetype *int <- IntPtr (t0)
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//
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type ChangeType struct {
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Register
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register
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X Value
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}
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@ -577,7 +577,7 @@ type ChangeType struct {
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// t1 = convert []byte <- string (t0)
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//
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type Convert struct {
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Register
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register
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X Value
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}
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@ -594,7 +594,7 @@ type Convert struct {
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// t1 = change interface interface{} <- I (t0)
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//
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type ChangeInterface struct {
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Register
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register
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X Value
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}
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@ -615,7 +615,7 @@ type ChangeInterface struct {
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// t2 = make Stringer <- t0
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//
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type MakeInterface struct {
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Register
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register
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X Value
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}
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@ -632,7 +632,7 @@ type MakeInterface struct {
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// t1 = make closure bound$(main.I).add [i]
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//
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type MakeClosure struct {
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Register
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register
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Fn Value // always a *Function
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Bindings []Value // values for each free variable in Fn.FreeVars
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}
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@ -650,7 +650,7 @@ type MakeClosure struct {
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// t1 = make StringIntMap t0
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//
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type MakeMap struct {
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Register
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register
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Reserve Value // initial space reservation; nil => default
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}
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@ -667,7 +667,7 @@ type MakeMap struct {
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// t0 = make IntChan 0
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//
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type MakeChan struct {
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Register
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register
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Size Value // int; size of buffer; zero => synchronous.
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}
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@ -689,7 +689,7 @@ type MakeChan struct {
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// t1 = make StringSlice 1:int t0
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//
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type MakeSlice struct {
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Register
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register
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Len Value
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Cap Value
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}
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@ -711,7 +711,7 @@ type MakeSlice struct {
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// t1 = slice t0[1:]
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//
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type Slice struct {
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Register
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register
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X Value // slice, string, or *array
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Low, High Value // either may be nil
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}
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@ -733,7 +733,7 @@ type Slice struct {
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// t1 = &t0.name [#1]
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//
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type FieldAddr struct {
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Register
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register
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X Value // *struct
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Field int // index into X.Type().Deref().(*types.Struct).Fields
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}
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@ -751,7 +751,7 @@ type FieldAddr struct {
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// t1 = t0.name [#1]
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//
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type Field struct {
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Register
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register
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X Value // struct
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Field int // index into X.Type().(*types.Struct).Fields
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}
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@ -774,7 +774,7 @@ type Field struct {
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// t2 = &t0[t1]
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//
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type IndexAddr struct {
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Register
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register
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X Value // slice or *array,
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Index Value // numeric index
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}
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@ -788,7 +788,7 @@ type IndexAddr struct {
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// t2 = t0[t1]
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//
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type Index struct {
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Register
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register
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X Value // array
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Index Value // integer index
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}
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@ -808,7 +808,7 @@ type Index struct {
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// t5 = t3[t4],ok
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//
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type Lookup struct {
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Register
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register
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X Value // string or map
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Index Value // numeric or key-typed index
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CommaOk bool // return a value,ok pair
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@ -861,7 +861,7 @@ type SelectState struct {
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// t4 = select blocking []
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//
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type Select struct {
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Register
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register
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States []*SelectState
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Blocking bool
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}
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@ -879,7 +879,7 @@ type Select struct {
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// t0 = range "hello":string
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//
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type Range struct {
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Register
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register
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X Value // string or map
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}
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@ -902,7 +902,7 @@ type Range struct {
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// t1 = next t0
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//
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type Next struct {
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Register
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register
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Iter Value
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IsString bool // true => string iterator; false => map iterator.
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}
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@ -943,7 +943,7 @@ type Next struct {
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// t3 = typeassert,ok t2.(T)
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//
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type TypeAssert struct {
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Register
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register
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X Value
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AssertedType types.Type
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CommaOk bool
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@ -959,7 +959,7 @@ type TypeAssert struct {
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// t1 = extract t0 #1
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//
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type Extract struct {
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Register
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register
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Tuple Value
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Index int
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}
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@ -1168,13 +1168,12 @@ type DebugRef struct {
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// Embeddable mix-ins and helpers for common parts of other structs. -----------
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// Register is a mix-in embedded by all SSA values that are also
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// instructions, i.e. virtual registers, and provides implementations
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// of the Value interface's Name() and Type() methods: the name is
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// simply a numbered register (e.g. "t0") and the type is the typ
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// field.
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// register is a mix-in embedded by all SSA values that are also
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// instructions, i.e. virtual registers, and provides a uniform
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// implementation of most of the Value interface: Value.Name() is a
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// numbered register (e.g. "t0"); the other methods are field accessors.
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//
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// Temporary names are automatically assigned to each Register on
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// Temporary names are automatically assigned to each register on
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// completion of building a function in SSA form.
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//
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// Clients must not assume that the 'id' value (and the Name() derived
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@ -1182,7 +1181,7 @@ type DebugRef struct {
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// semantics are determined only by identity; names exist only to
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// facilitate debugging.
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//
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type Register struct {
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type register struct {
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anInstruction
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num int // "name" of virtual register, e.g. "t0". Not guaranteed unique.
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typ types.Type // type of virtual register
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@ -1365,14 +1364,13 @@ func (v *Alloc) Type() types.Type { return v.typ }
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func (v *Alloc) Referrers() *[]Instruction { return &v.referrers }
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func (v *Alloc) Pos() token.Pos { return v.pos }
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func (v *Register) Type() types.Type { return v.typ }
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func (v *Register) setType(typ types.Type) { v.typ = typ }
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func (v *Register) Name() string { return fmt.Sprintf("t%d", v.num) }
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func (v *Register) setNum(num int) { v.num = num }
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func (v *Register) Referrers() *[]Instruction { return &v.referrers }
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func (v *Register) asRegister() *Register { return v }
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func (v *Register) Pos() token.Pos { return v.pos }
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func (v *Register) setPos(pos token.Pos) { v.pos = pos }
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func (v *register) Type() types.Type { return v.typ }
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func (v *register) setType(typ types.Type) { v.typ = typ }
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func (v *register) Name() string { return fmt.Sprintf("t%d", v.num) }
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func (v *register) setNum(num int) { v.num = num }
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func (v *register) Referrers() *[]Instruction { return &v.referrers }
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func (v *register) Pos() token.Pos { return v.pos }
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func (v *register) setPos(pos token.Pos) { v.pos = pos }
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func (v *anInstruction) Parent() *Function { return v.block.parent }
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func (v *anInstruction) Block() *BasicBlock { return v.block }
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