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compiler: implement const pointers from integers

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These raw pointers are used for memory-mapped IO.
This commit is contained in:
Ayke van Laethem
2018-09-05 11:15:33 +02:00
parent ce71d18450
commit 7258553528
1 changed files with 2 additions and 1 deletions
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compiler.go
+2 -1
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@@ -2414,7 +2414,8 @@ func (c *Compiler) parseConst(expr *ssa.Const) (llvm.Value, error) {
return strObj, nil
} else if typ.Kind() == types.UnsafePointer {
if !expr.IsNil() {
return llvm.Value{}, errors.New("todo: non-null constant pointer")
value, _ := constant.Uint64Val(expr.Value)
return llvm.ConstIntToPtr(llvm.ConstInt(c.uintptrType, value, false), c.i8ptrType), nil
}
return llvm.ConstNull(c.i8ptrType), nil
} else if typ.Info()&types.IsUnsigned != 0 {