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compiler: support complex64 constants

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This commit is contained in:
Ayke van Laethem
2018-12-12 14:24:54 +01:00
parent 1d34f868da
commit 2e46275c45
1 changed files with 13 additions and 0 deletions
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compiler/compiler.go
+13
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@@ -2627,6 +2627,19 @@ func (c *Compiler) parseConst(prefix string, expr *ssa.Const) (llvm.Value, error
} else if typ.Info()&types.IsFloat != 0 {
n, _ := constant.Float64Val(expr.Value)
return llvm.ConstFloat(llvmType, n), nil
} else if typ.Kind() == types.Complex64 {
r, err := c.parseConst(prefix, ssa.NewConst(constant.Real(expr.Value), types.Typ[types.Float32]))
if err != nil {
return llvm.Value{}, err
}
i, err := c.parseConst(prefix, ssa.NewConst(constant.Imag(expr.Value), types.Typ[types.Float32]))
if err != nil {
return llvm.Value{}, err
}
cplx := llvm.Undef(llvm.VectorType(c.ctx.FloatType(), 2))
cplx = c.builder.CreateInsertElement(cplx, r, llvm.ConstInt(c.ctx.Int8Type(), 0, false), "")
cplx = c.builder.CreateInsertElement(cplx, i, llvm.ConstInt(c.ctx.Int8Type(), 1, false), "")
return cplx, nil
} else if typ.Kind() == types.Complex128 {
r, err := c.parseConst(prefix, ssa.NewConst(constant.Real(expr.Value), types.Typ[types.Float64]))
if err != nil {