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runtime: rethrow/panic; llgo/ssa: DeferData; Null => Nil

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This commit is contained in:
xushiwei
2024-06-12 17:26:07 +08:00
parent 60dd33b48f
commit b787de0163
11 changed files with 176 additions and 71 deletions
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12
ssa/expr.go
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@@ -83,6 +83,7 @@ func pyVarExpr(mod Expr, name string) Expr {
// -----------------------------------------------------------------------------
// Zero returns a zero constant expression.
func (p Program) Zero(t Type) Expr {
var ret llvm.Value
switch u := t.raw.Type.Underlying().(type) {
@@ -127,16 +128,11 @@ func (p Program) Zero(t Type) Expr {
return Expr{ret, t}
}
// Null returns a null constant expression.
func (p Program) Null(t Type) Expr {
// Nil returns a null constant expression. t should be a pointer type.
func (p Program) Nil(t Type) Expr {
return Expr{llvm.ConstNull(t.ll), t}
}
// PyNull returns a null *PyObject constant expression.
func (p Program) PyNull() Expr {
return p.Null(p.PyObjectPtr())
}
// BoolVal returns a boolean constant expression.
func (p Program) BoolVal(v bool) Expr {
t := p.Bool()
@@ -180,7 +176,7 @@ func (p Program) Val(v interface{}) Expr {
func (b Builder) Const(v constant.Value, typ Type) Expr {
prog := b.Prog
if v == nil {
return prog.Null(typ)
return prog.Nil(typ)
}
raw := typ.raw.Type
switch t := raw.Underlying().(type) {