Function alloca [src]

Prototype

 pub fn alloca( self: *WipFunction, kind: Instruction.Alloca.Kind, ty: Type, len: Value, alignment: Alignment, addr_space: AddrSpace, name: []const u8, ) Allocator.Error!Value

Parameters

self: *WipFunctionkind: Instruction.Alloca.Kindty: Typelen: Valuealignment: Alignmentaddr_space: AddrSpacename: []const u8

Source

  pub fn alloca(
    self: *WipFunction,
    kind: Instruction.Alloca.Kind,
    ty: Type,
    len: Value,
    alignment: Alignment,
    addr_space: AddrSpace,
    name: []const u8,
) Allocator.Error!Value {
    assert(len == .none or len.typeOfWip(self).isInteger(self.builder));
    _ = try self.builder.ptrType(addr_space);
    try self.ensureUnusedExtraCapacity(1, Instruction.Alloca, 0);
    const instruction = try self.addInst(name, .{
        .tag = switch (kind) {
            .normal => .alloca,
            .inalloca => .@"alloca inalloca",
        },
        .data = self.addExtraAssumeCapacity(Instruction.Alloca{
            .type = ty,
            .len = switch (len) {
                .none => .@"1",
                else => len,
            },
            .info = .{ .alignment = alignment, .addr_space = addr_space },
        }),
    });
    return instruction.toValue();
}  