Zig 0.17.0-dev (Split by item)

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convConstTag

Builder.convConstTag

fn convConstTag(
    self: *Builder,
    val_ty: Type,
    ty: Type,
) Constant.Tag

File

lib/std/zig/llvm/Builder.zig:11698

Code

fn convConstTag(
    self: *Builder,
    val_ty: Type,
    ty: Type,
) Constant.Tag {
    assert(val_ty != ty);
    return switch (val_ty.scalarTag(self)) {
        .integer => switch (ty.scalarTag(self)) {
            .integer => switch (std.math.order(val_ty.scalarBits(self), ty.scalarBits(self))) {
                .gt => .trunc,
                else => unreachable,
            },
            .pointer => .inttoptr,
            else => unreachable,
        },
        .pointer => switch (ty.scalarTag(self)) {
            .integer => .ptrtoint,
            .pointer => .addrspacecast,
            else => unreachable,
        },
        else => unreachable,
    };
}