Function @"switch" [src]

Prototype

 pub fn @"switch"( self: *WipFunction, val: Value, default: Block.Index, cases_len: u32, weights: Instruction.BrCond.Weights, ) Allocator.Error!WipSwitch

Parameters

self: *WipFunctionval: Valuedefault: Block.Indexcases_len: u32weights: Instruction.BrCond.Weights

Source

  pub fn @"switch"(
    self: *WipFunction,
    val: Value,
    default: Block.Index,
    cases_len: u32,
    weights: Instruction.BrCond.Weights,
) Allocator.Error!WipSwitch {
    try self.ensureUnusedExtraCapacity(1, Instruction.Switch, cases_len * 2);
    const instruction = try self.addInst(null, .{
        .tag = .@"switch",
        .data = self.addExtraAssumeCapacity(Instruction.Switch{
            .val = val,
            .default = default,
            .cases_len = cases_len,
            .weights = weights,
        }),
    });
    _ = self.extra.addManyAsSliceAssumeCapacity(cases_len * 2);
    default.ptr(self).branches += 1;
    return .{ .index = 0, .instruction = instruction };
}  