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This is an example of documentation generated by ZigDoc, an alternative to Zig's built-in Auto Doc feature. See also examples in other modes/formats. The project being documented here (as the example) is the Zig standard library. Private Function

phiTag

Doc Source

Private Function

std.zig.llvm.Builder.WipFunction.phiTag

fn phiTag(
        self: *WipFunction,
        tag: Instruction.Tag,
        ty: Type,
        name: []const u8,
    ) Allocator.Error!WipPhi

Params

self: *WipFunction
tag: Instruction.Tag
ty: Type
name: []const u8

File

zig/llvm/Builder.zig:8016

    fn phiTag(
        self: *WipFunction,
        tag: Instruction.Tag,
        ty: Type,
        name: []const u8,
    ) Allocator.Error!WipPhi {
        switch (tag) {
            .phi, .@"phi fast" => assert(try ty.isSized(self.builder)),
            else => unreachable,
        }
        const incoming = self.cursor.block.ptrConst(self).incoming;
        assert(incoming > 0);
        try self.ensureUnusedExtraCapacity(1, Instruction.Phi, incoming * 2);
        const instruction = try self.addInst(name, .{
            .tag = tag,
            .data = self.addExtraAssumeCapacity(Instruction.Phi{ .type = ty }),
        });
        _ = self.extra.addManyAsSliceAssumeCapacity(incoming * 2);
        return .{ .block = self.cursor.block, .instruction = instruction };
    }