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builtin: llgo.advance

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This commit is contained in:
xushiwei
2024-05-01 23:57:19 +08:00
parent cf02f4a34f
commit df1e4708f5
6 changed files with 85 additions and 25 deletions
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11
cl/compile.go
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@@ -300,6 +300,15 @@ func cstr(b llssa.Builder, args []ssa.Value) (ret llssa.Expr) {
panic("cstr(<string-literal>): invalid arguments")
}
func (p *context) advance(b llssa.Builder, args []ssa.Value) (ret llssa.Expr) {
if len(args) == 2 {
ptr := p.compileValue(b, args[0])
offset := p.compileValue(b, args[1])
return b.Advance(ptr, offset)
}
panic("advance(p ptr, offset int): invalid arguments")
}
// func alloca(size uintptr) unsafe.Pointer
func (p *context) alloca(b llssa.Builder, args []ssa.Value) (ret llssa.Expr) {
if len(args) == 1 {
@@ -355,6 +364,8 @@ func (p *context) compileInstrOrValue(b llssa.Builder, iv instrOrValue, asValue
ret = b.Call(fn.Expr, args...)
case llgoCstr:
ret = cstr(b, call.Args)
case llgoAdvance:
ret = p.advance(b, call.Args)
case llgoAlloca:
ret = p.alloca(b, call.Args)
case llgoAllocaCStr: